fluidaqua mobil fam 15/30/50/70 atex...preface fam 15/30/50/70 atex en(us) page 6 / 88bewa fam15-70...

FluidAqua Mobil FAM 15/30/50/70 ATEX

II 2G IIB+H2 T3

Operating and Maintenance Instructions

EEnngglliisshh ((ttrraannssllaattiioonn ooff oorriiggiinnaall iinnssttrruuccttiioonnss))

Documentation no.: 3935750

Imprint

FAM 15/30/50/70 ATEX en(us) / 88

BeWa FAM15-70 Atex 3935750 en-us 2014-07-24.doc 2014-07-24

Imprint

Publisher and responsible for the content:

HYDAC FILTER SYSTEMS GMBH

Postfach 1251

66273 Sulzbach / Saarland

Germany

Telephone: +49 (0)6897 509 01

Fax: +49 (0)6897 509 846

E-mail: [email protected]

Homepage: www.hydac.com

Court of Registration: Saarbrücken, HRB 17216

Executive director: Mathias Dieter, Dipl.Kfm. Wolfgang Haering

Documentation Representative

Mr. Günter Harge

c/o HYDAC International GmbH, Industriegebiet, 66280 Sulzbach / Saar

Telephone: +49 (0)6897 509 1511

Fax: +49 (0)6897 509 1394


© HYDAC FILTER SYSTEMS GMBH

All rights reserved. No part of this work may be reproduced in any form (print, photocopy or by other means) or processed, duplicated or distributed using electronic systems without the written consent of the publisher. These documents have been created and inspected with the greatest care. However, errors cannot be ruled out completely.

All details are subject to technical modifications. The content of this manual is subject to change without notice.

Content

FAM 15/30/50/70 ATEX en(us) / 88


Content

Imprint............................................................................................................2

Documentation Representative ...................................................................2

Content ..........................................................................................................3

Preface...........................................................................................................6

Technical Support........................................................................................6

Modifications to the Product ........................................................................6

Warranty ......................................................................................................6

Using the documentation .............................................................................7

Safety information ........................................................................................8

Hazard symbols...........................................................................................8

Signal words and their meaning in the safety information and instructions ................................................................................................10

Structure of the safety information and instructions...................................11

Observe regulatory information .................................................................11

Proper/designated use...............................................................................12

Explosion protection as per EU Directive 94/9/EC .................................14

Improper Use or Use Deviating from Intended Use ...................................15

Qualifications of personnel / target group ..................................................16

Wear suitable clothing ...............................................................................18

Stoppage in an emergency (EMERGENCY STOP)...................................18

Transporting the FAM.................................................................................19

Fork lift.......................................................................................................19

Crane.........................................................................................................20

Train/truck..................................................................................................20

Checking the scope of delivery .................................................................21

FAM Description .........................................................................................22

Performance features ................................................................................22

FAM overview..............................................................................................23

FAM components ......................................................................................25

Description of function...............................................................................26

Hydraulic diagram.......................................................................................27

Possible Applications of the FAM .............................................................29

Content

FAM 15/30/50/70 ATEX en(us) / 88


Cleaning in Bypass Flow ...........................................................................29

Purifying and transferring by pumping .......................................................29

FAM Set-up and Connection......................................................................30

Setting up the unit......................................................................................30

Connecting the FAM..................................................................................31

Notes on piping / hosing ............................................................................32

Connecting suction port (IN)...................................................................34

Connecting the pressure port / return-flow line.......................................35

Electrical Connection of the FAM ..............................................................36

Check direction of rotation......................................................................37

Preparing the Vacuum Pump.....................................................................38

Filling the vacuum pump ........................................................................38

Filling the seal chamber of the evacuation pump.......................................40

Operating Elements on the unit.................................................................41

Starting up the unit .....................................................................................42

Setting the vacuum pressure .....................................................................42

Venting the filter housing ...........................................................................43

Shut off FAM..............................................................................................44

FAM in manual operation...........................................................................44

Error messages / troubleshooting.............................................................45

[H5] If the vacuum column is overfilled, .....................................................47

[H6] Inlet (IN) clogged................................................................................48

[H7] Outlet (OUT) clogged .........................................................................49

[H8] V-pump temperature ..........................................................................50

[H9] Wrong phase sequence .....................................................................51

[H10] Change fluid filter .............................................................................52

[H11] Float switch ......................................................................................53

[H12] E/V/R pump motor protection...........................................................54

[H13] Dry-running, E-pump........................................................................55

[H14] Level switch 01/02(02/03) ................................................................56

[H15] V-pump pressure..............................................................................57

Performing maintenance / inspection .......................................................58

Visual checks.............................................................................................59

Overview of maintenance intervals............................................................60

Electrical inspection...................................................................................63

Filling sealing chamber of the drainage pump ...........................................64

Lubricating lock on the electrical cabinet ...................................................65

Content

FAM 15/30/50/70 ATEX en(us) / 88


Replacing the filter element on the fluid filter .............................................66

Checking the fault indicator lamp...............................................................71

Cleaning the suction strainer .....................................................................72

Changing the air filter element...................................................................73

Vacuum pump maintenance ......................................................................74

Filling the vacuum pump............................................................................76

Further maintenance instructions for the vacuum pump.........................76

Test vacuum column level sensor .............................................................77

Switching Status - Level Sensor Vacuum Column/PLC.............................78

Testing the Float Switch in the Oil Pan......................................................79

Replacing filter element on the oil mist separator ......................................80

Replacing the filter element on the oil mist separator.............................81

Replacement Parts and Accessories List.................................................82

Customer Service .......................................................................................83

Storing the FAM/Taking it out of Operation..............................................84

Disposing of the FAM .................................................................................84

Technical specifications ............................................................................85

Index ............................................................................................................86

Preface

FAM 15/30/50/70 ATEX en(us) / 88


Preface

This operating manual was made to the best of our knowledge. Nevertheless and despite the greatest care, it cannot be excluded that mistakes could have crept in. Therefore please understand that in the absence of any provisions to the contrary hereinafter our warranty and liability – for any legal reasons whatsoever – are excluded in respect of the information in this instruction manual. In particular, we shall not be liable for lost profit or other financial loss. This exclusion of liability does not apply in cases of intent and gross negligence. Moreover, it does not apply to defects which have been deceitfully concealed or whose absence has been guaranteed, nor in cases of culpable harm to life, physical injury and damage to health. If we negligently breach any material contractual obligation, our liability shall be limited to foreseeable damage. Claims due to Product Liability shall remain unaffected.

Technical Support If you have any questions, suggestions, or encounter any problems of a technical nature, please don't hesitate to contact us. When contacting us, please always include the model/type designation and article no. of the product:

Fax: +49 (0) 6897 509 - 9046


Modifications to the Product We would like to point out that changes to the product (e.g., purchasing options, etc.) may result in the information in the operating instructions no longer being completely accurate or sufficient.

When making modifications or performing repair work to components affecting the safety of the product, the product may not be put back into operation until it has been examined and released by a HYDAC representative.

Please notify us immediately of any modifications made to the product whether by you or a third party.

Warranty For the warranty provided by us, please refer to the General Terms of Sale and Delivery of HYDAC FILTER SYSTEMS GMBH.

You will find these under www.hydac.com -> Legal information.

http://www.hydac.com/�

Preface

FAM 15/30/50/70 ATEX en(us) / 88


Using the documentation

Note that the method described for locating specific information does not release you from your responsibility of carefully reading these instructions prior to starting the unit up for the first time and at regular intervals in the future.

What do I want to know?

I determine which topic I am looking for.

WHERE can I find the information I’m looking for?

The document has a table of contents at the beginning. I select the chapter I'm looking for and the corresponding page number.

deHYDAC Filtertechnik GmbHBeWa 123456a de

Seite x

Produkt / Kapitel

200x-xx-xx

The documentation number with its index enables you to order another copy of the operating and maintenance instructions. The index is incremented every time the manual is revised or changed.

Chapter description

Page number

Edition date

Document language Documentation no.with index/

file name

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Safety information

The unit was built according to the statutory provisions valid at the time of delivery and satisfies current safety requirements.

Any residual hazards are indicated by safety information and instructions and are described in the operating instructions.

Observe all safety and warning instructions attached to the unit. They must always be complete and legible.

Do not operate the unit unless all the safety devices are present.

Secure the hazardous areas which may arise between the unit and other equipment.

Maintain the unit inspection intervals prescribed by law.

Document the results in an inspection certificate and keep it until the next inspection.

Hazard symbols

These symbols are listed for all safety information and instructions in these operating instructions which indicate particular hazards to persons, property or the environment.

Observe these instructions and act with particular caution in such cases.

Pass all safety information and instructions on to other users.

General hazard

Danger due to electrical voltage / current

Exposed electrical components

Danger of electrical shock

Danger due to operating pressure

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Risk of burns due to hot surfaces

Substances that are health hazards or irritants

Danger from explosive atmosphere

Danger of explosion in explosive atmospheres

This symbol marks safety indications that refer particularly to explosion protection.

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Signal words and their meaning in the safety information and instructions

DANGER DANGER indicates a danger with a high risk and which will lead to death or serious injury if not avoided.

WARNING WARNING indicates a danger with a medium risk and which can lead to death or serious injury if not avoided.

CAUTION CAUTION indicates a danger with a low risk and which can lead to minor injury if not avoided.

NOTICE NOTICE indicates a danger which will lead to damage to property if not avoided.

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Structure of the safety information and instructions

All warning instructions in this manual are highlighted with pictograms and signal words. The pictogram and the signal word indicate the severity of the danger.

Warning instructions listed before an activity are laid out as follows:

SIGNAL WORD

Type and source of danger

Consequence of the danger

HAZARD SYMBOL

► Measures to avert danger

Observe regulatory information

Observe the following regulatory information and guidelines:

Legal and local regulations for accident prevention

Legal and local regulations for environmental protection

Country-specific regulations, organization-specific regulations

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Proper/designated use

Use the unit only for the application described in the following.

The FAM is for dewatering, filtering and degassing hydraulic and lubricating oils. In addition, it removes free water, emulsified water and a large percentage of the water found in solution.

Proper or designated use of the product extends to the following:

observing all instructions contained in the instruction manual.

performing inspection and maintenance work.

operation in explosion-hazard areas in accordance with explosion-protected execution / labelling of the power unit

Operation with a permissible fluid temperature of max. 70 °C at an ambient temperature of ≤ 40 °C or operation with a permissible fluid temperature of max. 60 °C at an ambient temperature of ≤ 50 °C.

Operation with a network frequency of max. 50 Hz.

DANGER

Exceeding the permissible fluid temperature

Surface temperature > 200 °C Risk of explosion

► Observe the maximum permissible fluid temperature.

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Depending on the version (see model code), the FAM may only be used for the following fluids (see model code):

NOTICE

Impermissible operating conditions / Impermissible fluid

The unit will be damaged

► The unit may be used only in connection with the fluids mentioned below.

Depending on the version (see model code), the FAM may only be used for the following fluids (see model code):

FFAAMM--xxxx--MM--xx--xx//xxxxxxxx--xxxxxx--xxxx--xx--xx--xx MMiinneerraall ooiillss aacccc.. ttoo DDIINN 5500552244

GGeeaarr ooiillss aacccc.. ttoo DDIINN 5511551177,, 5511552244

OOtthheerr hhyyddrraauulliicc aanndd lluubbrriiccaattiioonn ooiillss wwhhiicchh rreeqquuiirree oorr aarree ccoommppaattiibbllee wwiitthh NNBBRR sseeaallss

FFAAMM--xxxx--BB--xx--xx//xxxxxxxx--xxxxxx--xxxx--xx--xx--xx ssyynntthheettiicc eesstteerr ((HHEEEESS)) DDIINN 5511552244//22

VVeeggeettaabbllee ooiillss ((HHEETTGG,, HHTTGG))

HHyyddrraauulliicc aanndd lluubbrriiccaattiioonn ooiillss wwhhiicchh rreeqquuiirree oorr aarree ccoommppaattiibbllee wwiitthh VViittoonn sseeaallss..

When work is done in explosion-prone areas, the safety of persons and equipment depends on the observance of all relevant safety regulations. The installation and maintenance personnel thus carries particular responsibility. Exact knowledge of the applicable regulations and conditions is required.

Please note:

Observe the characteristic curves and measurement operating conditions of the rating plates and data plates.

Damage to the devices can nullify the explosion protection.

The unit may be operated only when the control cabinet is completely closed.

Conversions and modifications to the devices and components that affect the explosion protection are not allowed.

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Explosion protection as per EU Directive 94/9/EC

The dewatering units of the FluidAqua Mobile FAM-ATEX series satisfy all the requirements of the new EU Directive 94/9/EC [ATEX 95], applicable to areas in which potentially explosive gas mixtures are likely to occur.

The designation of the explosion-proof ATEX-compliant unit is:

II 2G IIB+H2 T3 Operating Limits : - Permissible fluid temperature max. 70 °C

at an ambient temperature of ≤ 40 °C

- Permissible fluid temperature max. 60 °C at an ambient temperature of ≤ 50 °C

- Network frequency of max. 50 Hz

This means that the FAM may be used only in accordance with:

EEqquuiippmmeenntt ggrroouupp II Potentially explosive atmospheres in which vapors or gas/air mixtures are likely to occur.

Equipment category 2G Equipment providing for a standard degree of safety.

Designated for cases in which atmospheres posing an explosion hazard can be expected to occur very rarely and, if so, only briefly.

Explosion hazard subgroup

IIB+H2 Typical gases: Town gas, acrylonitrile, ethylene, ethylene oxide, ethylene glycol, hydrogen sulphide, ammonia, methane, ethane, propane, ethyl alcohol, cyclohexene, n-butane, n-hexane and hydrogen

Ensure that vapors, gases or mists occurring at the place of operation belong to explosion groups IIA to IIB.

Temperature class T3 Maximum permissible surface temperature: ≤ 200°C

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Improper Use or Use Deviating from Intended Use

DANGER

Danger due to unanticipated use of the unit

Bodily injury and damage to property will result when operated improperly.

► Never operate the unit in potentially explosive atmospheres.

► The unit is only to be used with permissible fluids.

Any use extending beyond or deviating therefrom shall not be considered intended use. HYDAC Filter Systems GmbH will assume no liability for any damage resulting from such use. The user alone, shall assume any and all associated risk

Improper use may result in hazards and/or will damage the unit. Examples of improper use:

Operation in potentially explosive atmospheres other than the identified one.

Operation with an impermissible fluid.

Operation at an impermissible fluid temperature / ambient temperature.

Operation under impermissible operating conditions.

Operation when the safety devices are defective.

Operation in mining or in dust-exposed zones

Modifications to the power unit made by the user or purchaser.

Inadequate monitoring of parts that are subject to wear and tear

Improperly performed repair work.

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Qualifications of personnel / target group

Persons who work on the power unit must be aware of the associated hazards when using the power unit.

Operating and specialist personnel must have read and understood the operating instructions, in particular the safety information and instructions, and applicable regulations before beginning work.

The operating instructions and applicable regulations are to kept so they are accessible for operating and specialist personnel.

These operating instructions are intended for:

Operating personnel: such persons have been instructed in power unit operation and are aware of potential hazards due to improper use.

Specialist personnel: such persons with corresponding specialist training and several years work experience. They are able to assess and perform the work assigned to them, they are also able to recognize potential hazards.

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Activity Person Knowledge

Transport / storage Forwarding agent

Specialist personnel

Proof of knowledge of cargo securing instructions

Safe handling/operation of hoisting and lifting equipment

Hydraulic / electrical installation,

first commissioning,

maintenance,

troubleshooting,

repair,

decommissioning,

Disassembly


Safe handling/use of tools

Fitting and connection of hydraulic lines and connections

Fitting and connection of electrical lines, electrical machinery, sockets, etc.

Checking the phase sequence

Product-specific knowledge

Operation

operations control


Product-specific knowledge

Knowledge about how to handle operating fluids.

Knowledge about contamination due to solids and water

Disposal Specialist personnel

Proper and environmentally-friendly disposal of materials and substances

Decontamination of contaminants

Knowledge about reuse

Safety information

FAM 15/30/50/70 ATEX en(us) / 88


Wear suitable clothing

Loosely worn clothing increases the danger of getting caught or wound up in rotating parts and the danger of getting snagged on projecting parts. You can be severely injured or killed.

Wear close-fitting clothing.

Do not wear any rings, chains or any other jewelry.

Wear work safety shoes.

Stoppage in an emergency (EMERGENCY STOP)

In the event of an emergency, turn the main switch by 90° in a counter-clockwise direction to shut down the entire unit. The entire unit downstream of this switch is voltage-free and depressurized.

Normal pressure is restored to the vacuum column after ≈ 1 minute.

Transporting the FAM

FAM 15/30/50/70 ATEX en(us) / 88



CAUTION

High empty weight (≈ 640 … 680 kg, depending on the version)

Danger of bodily injury

► Use at least two persons to shift the mobile FAM.

NOTICE

Using components for pushing / pulling

The FAM will be damaged

► Never use the components to push or pull the FAM.

► Use the grips provided for shifting.

Drain the unit completely before transport. Seal off the inlets and/or outlets.

On the mobile FAM, wind the suction and pressure hose and the connection cable around the holders provided for this purpose and fasten them in place.

Move the FAM manually using the rollers. When doing so, use only the grips provided on the FAM frame for pushing.

Before shifting the unit, make sure to release the hand brake on the steering rollers.

Once the FAM is in its new position, actuate the hand brake on the steering rollers.

Fork lift

Use the lift eyes when transporting the unit with a forklift.


FAM 15/30/50/70 ATEX en(us) / 88


Crane

NOTICE

Unsuitable lifting accessories

The unit will be damaged / Components will be damaged / destroyed

► Use only suitable lifting accessories to raise or lash the FAM.

► Take care to ensure that the lifting accessories does not cause any pressures to be brought to bear against the components on the FAM.

Train/truck

For transport by rail or truck, supports must be placed under the mobile FAM so that the rollers are subjected to no load pressure.

The FAM is to be secured with suitable belts.

Checking the scope of delivery

FAM 15/30/50/70 ATEX en(us) / 88


Checking the scope of delivery

Upon receiving the FAM check it for any damage in transit. The FAM may not be set up and installed unless it is in perfect order. Any damage in transit is to be reported to the forwarding agent or the department in charge immediately; the unit may not be commissioned until this damage is properly remedied.

The following items are supplied:

Qty. Designation

1 FAM, connection-ready with suction and pressure hose.

2 Drive handle 7x10 (to open the control cabinet)

1 Blasolube 300 dose, 900 grams (to lubricate the control cabinet lock)

1 Documentation, consisting of: - Operating and Maintenance Instructions - FAM - Component instructions - EC declaration of conformity - TÜV statement of conformity

FAM Description

FAM 15/30/50/70 ATEX en(us) / 88


FAM Description

The FluidAqua Mobil FAM ATEX was developed for the dewatering, filtration and degassing of hydraulic and lubricating oils. It removes free water, emulsified water and a large percentage of the water to be found in solution. The integrated fluid filter ensures an efficient separation of solid particles. The degassing of the fluid is achieved using the setup vacuum in vacuum column.

Performance features

The FAM is able to reduce the water content of those fluids described in the chapter “Suitable Fluids” to less than 100 ppm.

Typical dewatering rates (ISO VG46):

FAM-15 ≈ 1.0 l/h

FAM-30 ≈ 1.7 l/h

FAM-50 ≈ 2.2 l/h

FAM-70 ≈ 2.6 l/h

The dewatering speed is dependent on:

Dewatering speed

Water content

Fluid temperature

Detergent additives

Flow rate FAM

FAM overview

FAM 15/30/50/70 ATEX en(us) / 88


FAM overview

FAM overview

FAM 15/30/50/70 ATEX en(us) / 88


Item Designation

1 Suction strainer

2 Inspections glass

3 Inlet valve (2/2 directional control valve)

4 Vacuum column

5 Fluid level indication

6 Level switch

7 Vacuum pressure gauge

8 Ball valve for the manual drainage of the vacuum column

9 Evacuation pump with electrical motor

10 Pressure relief valve

11 Fluid filter for the separation of solid particles

12 Fluid filter differential pressure indicator

13 Ball valve for the manual drainage of the fluid filter

14 Non-return valve

15 Ball valve

16 Float switch in the oil pan

17 Vacuum pump

18 Ball valve

19 Fill level switch (dry-running protection of the evacuation pump)

20 Oil mist separator

21 Air filter and air dryer

22 Needle valve for vacuum setting

23 Vacuum suction nozzle to oil mist separator

24

Operating panel and control cabinet in ATEX configuration, consisting of: - Master switch and Emergency Stop switch - Function keys - Operating status lights - Fault indicator lights

25 Plug acc. CEE

FAM overview

FAM 15/30/50/70 ATEX en(us) / 88


FAM components

Item Designation

1 Suction strainer

2 Inspections glass


4 Vacuum column

6 Level switch


9 Evacuation pump with electrical motor 10 Pressure relief valve



17 Vacuum pump




24 Operating panel and control cabinet

Description of function

FAM 15/30/50/70 ATEX en(us) / 88


Description of function

Switch on the FAM at the main switch. After the "Start delay" switch is activated, the inlet valve opens and the vacuum pump builds up the necessary vacuum. This vacuum causes the fluid which is to be purified to be sucked into the vacuum column.

The fluid to be cleaned trickles downward through special filling materials. These filling materials multiply the surface in the vacuum column and make it possible to form a fine fluid film.

The fluid collects in the bottom of the vacuum column up to the level switch [02]. Then the inlet valve closes, and the evacuation pump conveys the fluid through the fluid filter to the outlet.

The filling level in the vacuum column drops down to the level switch [01]. Once the level [01] is reached, the 2/2 directional control valve opens, and fluid passes from the inlet through the suction strainer in vacuum column until the level switch [02] is reached. The 2/2 directional valve closes and the procedure begins again.

The vacuum in the vacuum column sucks atmospheric air out through the air filter. This air flows down into the vacuum column and is sucked out by the vacuum pump. By virtue of this flow of air, the air picks up the humidity of the fluid.

The monitoring of the vacuum pump is limited to the pressure and the temperature. The oil fill level in the vacuum pump is to be monitored by daily visual inspection.

The vacuum in the vacuum column is set with the needle valve (vacuum setting).

The evacuation pump is protected against dry running by the fill level limit switch in the vacuum column. The fill level limit switch switches the electric motor of the evacuation pump off when the vacuum column has been emptied.

When the "Stop overrun" switch has been pressed, the inlet valve closes and the evacuation pump pumps the vacuum column empty. As soon as the light H2 goes out, the FAM can be switched off via the emergency-off switch.

When the emergency-off switch has been put into OFF position, the vacuum pump and evacuation pump are switched off. The inlet valve closes under spring force.

Hydraulic diagram

FAM 15/30/50/70 ATEX en(us) / 88


Hydraulic diagram

Hydraulic diagram

FAM 15/30/50/70 ATEX en(us) / 88


Item Designation

1 Suction strainer

2 Inspections glass


4 Vacuum column

5 Fluid level indication

6 Level switch


8 Ball valve for the manual drainage of the vacuum column

9 Evacuation pump with electrical motor

10 Pressure relief valve


12 Fluid filter differential pressure indicator

13 Ball valve for the manual drainage of the fluid filter

14 Non-return valve

15 Ball valve


17 Vacuum pump

18 Ball valve


20 Oil mist separator



23 Vacuum suction nozzle to oil mist separator

26 Adapter

27 Adapter

28 Pressure hose

29 Suction hose

30 Adapter

31 Adapter

32 Hose assembly

33 Hose assembly

33 Hose assembly

Possible Applications of the FAM

FAM 15/30/50/70 ATEX en(us) / 88


Possible Applications of the FAM

Cleaning in Bypass Flow

The FAM is connected to the tank using vacuum and pressure hoses and constantly cleans the fluid found within in the bypass flow.

IN

OUT

The FAM is connected to the tank using vacuum and pressure hoses and constantly cleans the fluid found within in continuous operation.

Purifying and transferring by pumping

The FAM is connected to the contaminated oil tank with the suction hose and pumps the fluid into the tank for the purified oil while cleaning it at the same time.

IN

OUT

The fill level of clean-oil tank is to be monitored constantly during this process to prevent overfilling.

You achieve permanently better levels of purity by operating the system continuously in bypass flow.

Contaminated oil

Clean oil

FAM Set-up and Connection

FAM 15/30/50/70 ATEX en(us) / 88



CAUTION

Outlet air of the vacuum pump

Hazardous to health

► Always make sure there is sufficient ventilation in the surrounding area of the unit.

The air exiting the vacuum pump can contain component parts of the vacuum pump oil and/or of the fluid.

Depending on the composition of the oil and the composition of the gas, there is a danger of damage to health if the emergent gas is inhaled over an extended period of time.

Setting up the unit

Observe the following points when setting up the unit:

Set up the unit horizontally on a level surface. Special mounting is not required.

Lock the immobilization brakes on the wheels to avoid unintended movement of the unit. (mobile version only)

Set up the unit directly beside the tank that is to be cleaned. Observe the maximum permitted suction pressure.

Make sure to note the ambient temperature on type label of the unit.

Ensure that the main switch is freely accessible at all times.

Keep an area of at least 0.8 m around the unit free for maintenance purposes.

Make sure that the control panel is always freely accessible and that the control cabinet can be opened fully.


FAM 15/30/50/70 ATEX en(us) / 88


Connecting the FAM

All hoses on the FAM must be sufficiently conductive to properly discharge electrostatic charge buildup.

If hoses are used, the ohmic resistance between the fittings—in this case between the FAM and the tank—may not exceed a limit value depending on the respective hose type.

Marking the hose with the symbol "M":

Limit value ≤102

Marking the hose with the symbol "": Limit value ≤106

The hose connection must ensure a highly conductive transition between the hose and FAM tube, as well as between the hose and tank tube.

If this is not the case, all conducting parts (such as the metal mouth piece at the end of the hose) are to be grounded separately.

Connecting conductive hoses with fittings to hose tubes requires marking and checking per DIN EN 12 115.

Connect the ground clamp of the unit to a suitable grounding source nearby. The grounding lead is 3 m long.


FAM 15/30/50/70 ATEX en(us) / 88


Notes on piping / hosing

NOTICE

Non-permitted pressure at the inlet IN / outlet OUT

Risk of malfunctions

► Determine the pressure to be anticipated at the inlet / outlet with the prescribed values.

Make sure that the cross-section of the connected hoses/piping is at least as large as the cross-section of the inlet/outlet port sizes.

In order to keep the pressure loss as low as possible, use as few threaded connections as possible. Connect all connectors to the FAM without initial stress.

The pressure at the inlet/outlet depends on the height differential between the FAM fluid surface in the tank (suction height P(height)) and the line losses (P(line)).

If the FAM is above the fluid surface in the tank, determine the pressure as follows: P = 1 bar - P(height) - P(line)

If the FAM is below the fluid surface in the tank, determine the pressure as follows: P = 1 bar + P(height) - P(line)

Determine the pressure loss P(height) as follows: P(height)[bar] = h/10. h stands here for the distance between the suction port on the FAM and the fluid surface in the tank.


FAM 15/30/50/70 ATEX en(us) / 88


The pressure differential in a hydraulic line (P(line)) depends on the following:

Flow rate

Kinematic viscosity

Pipe dimensions

Density of fluid

The pressure loss in straight pipes (P(line)) can be calculated as follows:

∆p ≈ 6,8 * L / d4 * Q * V * D ∆p = Pressure differential in [bar]

L = pipe length [m]

d = internal pipe diameter [mm]

Q = Flow rate [l/min]

V = Kinematic viscosity [mm²/s]

D = Density [kg/dm³] Mineral oil-based hydraulic oil has a density of ≈ 0.9 kg/dm³.

This applies to straight pipe runs and hydraulic oils. Additional threaded connections and pipe bends increase the pressure differential.

Keep the height difference between the pump and the oil level in the tank as minimal as possible.

Hoses must be suitable for suction pressures of at least -0.5 bar.

Avoid constrictions in connecting pipelines because they reduce output and increase the risk of cavitation.

The nominal size of the connected hoses/piping must be at least as large as the inlet port sizes in order to prevent an excessively high negative suction pressure.


FAM 15/30/50/70 ATEX en(us) / 88


Connecting suction port (IN)

NOTICE

Overpressure at the suction port connection


► The pressure at suction port IN must be in the range from -0.25 to +2 bar.

NOTICE

Severe contamination


► Do not prime directly at the bottom of the tank.

► Do not prime in the sump.

► Never prime without a built-in suction strainer.

The greatest contamination is found on the bottom of the tank. All impurities and other particles are deposited on the bottom of the tank.

Use a negative pressure-resistant, flexible hose or a pipe for the suction-side connection.

Make sure that the cross-section of the connected hoses/piping is at least as large as the cross-section of the inlet/outlet port sizes.

The shape of the tank connection should be set up in such a way that it will always be lower than the level of the oil in the tank.


FAM 15/30/50/70 ATEX en(us) / 88


Connecting the pressure port / return-flow line

NOTICE

Return port connection OUT closed off


► Check to be sure that all of the locking fixtures at the outlet are in "open" position each time before start-up

To prevent air from entering the fluid, make sure that the pressure hose with lance is always below the operating oil level.


FAM 15/30/50/70 ATEX en(us) / 88


Electrical Connection of the FAM

DANGER

Exposed electrical components in the switch cabinet

Danger of fatal injury due to electric shock

► Any work involving the electrical system may only be done by a properly trained, certified electrician.

The electrical connection of units without connection plugs to the power supply module may only be performed by a technician with corresponding knowledge and skills.

Make sure that the voltage and frequency specifications on the FAM type label correspond to the existing mains voltage.

If a plug is present on the FAM or if a plug is mounted, then the FAM is to be operated from a correspondingly fused socket.

In order to keep the keep the temperature increase of th electric motors within the permissible limits, observe range A in EN/IEC 60034-1 (VDE 0530-1) (±5% voltage or ±2% frequency deviation, curve shape, network symmetry) in relation to the specified rated voltage, unless otherwise indicated on the type label of the electric motor.


FAM 15/30/50/70 ATEX en(us) / 88


Check direction of rotation

Check the direction of rotation of the motor by switching it on briefly (jog mode). The FAM requires a clockwise rotating field at the connecting socket.

NOTICE

Incorrect phase sequence / rotation direction of the motor

The pumps will be destroyed.

► In jog mode, check the direction of rotation of the motors.

► A rotation direction arrow on the fan cover of the motor identifies the correct direction of rotation.

Make sure there is a clockwise rotating field. If this is not the case, then the phases can be rotated in the 16A / 32 A connection plug with the aid of the phase changing switch in the plug. For the 63A version, the two phases must be switched on the terminal block S0 (e.g. L1 and L2).

Prior to start up, ground the FAM using equipotential bonding.

Prior to starting up the FAM, connect the ground bond to the FAM and the tank to be cleaned.

Check the connection between the tank, the FAM and the ground potential for good conductivity.


FAM 15/30/50/70 ATEX en(us) / 88


Preparing the Vacuum Pump

On delivery of the FAM, the vacuum pump as a rule is not filled with oil. An amount which satisfies the initial filling of compressor oil is included in the scope of delivery.

NOTICE

Operation without compressor oil

The vacuum pump will be destroyed

► The vacuum pump requires compressor oil as an operating fluid.

► Check the oil level before start-up. If required, fill with compressor oil.

Filling the vacuum pump

Max.

Min.

[a]

[c]

[b]

To fill the vacuum pump, open the fill plug [a]. Fill with compressor oil until the MAX marking on sight gauge [b] has been reached.

Check the oil level daily. When the fill level gets down to the MIN mark, add oil.


FAM 15/30/50/70 ATEX en(us) / 88


The oil level for initial filling ≈ 2.0 liters. The oil level between the MIN and MAX marking is ≈ 0.45 Liter.

The vacuum pump is certified for operation with synthetic oil "Leybold LVO 210". If a different oil is used, the EC and ATEX certificates are voided.

This vacuum pump oil is available from HYDAC under the following part no.:

Description Packaging Part no.:

Compressor oil - LVO 210 1 liter 3765250



FAM 15/30/50/70 ATEX en(us) / 88


Filling the seal chamber of the evacuation pump

Before initial commissioning, the seal chamber of the evacuation pump must be filled with the sealing medium ISO VG 10 ... ISO VG 100.

When refilling, use the fluid to be cleaned at a viscosity of between ISO VG 10 and VG 100.

This is needed in order to prevent dry running of the shaft seals.

Dry running of the pump would result in premature wear and tear and impermissible heating at the sealing lip or dust lip.

At the same time, infiltration of air into the fluid is prevented.

Check the fill level of the reservoir (1) at least once a week and top off as needed.

(2) (1)

max. 7 ml

(1)

Item Designation

(1) Reservoir

(2) Seal chamber

To top off the sealing medium, raise the cover of the reservoir (1) and fill it up. Finally, close the cover of the reservoir (1).

Operating Elements on the unit

FAM 15/30/50/70 ATEX en(us) / 88


Operating Elements on the unit

To operate the FAM, the following control and indicator elements are located on the control panel:

Function Quantity Numbering

Function keys 3 S1 - S3

Operating status lamps 4 H1 - H4

Malfunction message lamps 11 H5 - H14

H4 H5 H6 H7 H8 H15 H9

H10 H11 H12 H13 H14

S1/H1 S2/H2 S3/H3

Function keys:

Inscription Function

S1 Start delay Start FAM, starting and changeover to purification mode.

S2 Stop overrun Stop FAM run-down and evacuation of the vacuum column.

S3 Malfunction Acknowledging all corrected malfunctions / Switching from automatic to manual operation

Operating status lamps:

Inscription Operating state

H1 Start delay Startup phase

H2 Stop overrun After-run phase

H3 Malfunction Malfunction

H4 Fluid Aqua operates

Purification operation

Starting up the unit

FAM 15/30/50/70 ATEX en(us) / 88



NOTICE

Connection IN / OUT closed

The FAM will be destroyed

► Check to be sure that all of the locking fixtures at the inlet / outlet are in "open" position each time before start-up.

After you have made all connections and completed the preparations for commissioning, switch on the FAM at the main switch. For the lamp test, all lamps light up briefly.

Then the FAM goes to malfunction "[H15] V-pump pressure"; the malfunction light [S3] "Malfunction" blinks. This fault message results from the switch position of the "Siguard" (electric circuit diagram = A5) in the control cabinet and is eliminated by pressing the button [S1] "Start delay" or the button [S3] "Malfunction".

The system now begins with the starting phase. The vacuum pump starts up, the inlet valve opens, and the vacuum column is filled. When the vacuum chamber is filled to filling level [02], the evacuation pump is started up and the starting phase is finished. The purification operation runs. This is shown by the lighting up of the operating status lamp "FAM operation (H4)".

Setting the vacuum pressure

Now regulate the vacuum pressure in the vacuum column with the needle valve underneath the vacuum pressure display, depending on the operating viscosity.

Oil Operating viscosity

Pressure setting (absolute pressure)

Hydraulic oil 50 mm²/s 250 mbar / 25 kPa

Lubrication oil 300 mm²/s 250 - 500 mbar / 52 - 50 kPa (depending on foaming behavior)


FAM 15/30/50/70 ATEX en(us) / 88


Venting the filter housing

WARNING

Hot fluid

Risk of burns

► Note that hot fluid may exit during bleeding.

NOTICE

Air in the fluid filter

The filter element is not utilized completely

► Bleed the fluid filter after each shut-down / filter element replacement.

The fluid filter is to be bled through the bleed port (X) in the cover until fluid emerges. Use an Allen key wrench to carefully open the ventilation plug (X) in the cover for this purpose.

It is not necessary to unscrew the ventilation plug (X) completely out – it contains air-vent slits.


FAM 15/30/50/70 ATEX en(us) / 88


Shut off FAM

Press key "Run-down [S2]". Now the unit starts with the after-running phase. The inlet valve closes, the vacuum pump is switched off, and the vacuum column is emptied.

Wait until the lamp H2 goes out, then move the main switch to the "Off" position. The system is now switched off.

FAM in manual operation

The following components can be switched on / off or opened / closed by hand in manual operation:

Vacuum pump

Evacuation pump

2/2 directional inlet valve

Manual operation is very helpful when searching for a fault. You can switch pumps on / off in a targeted way.

To switch to manual operation, press the button "Malfunction [S3]" for at least 6 seconds.

After you have switched to manual operation, the operating status lamp H4 flashes.

In manual operation, the allocation of buttons S1-S3 is as follows:

Inscription Description

S1 Start delay Switching evacuation pump On/Off

S2 Run-down Switching vacuum pump on/off

S3 Malfunction Opening/closing inlet valve

After a button is pressed, the corresponding operating status lamp lights up.

You can perform individual functions for a maximum of 15 minutes. The FAM then automatically switches off.

Once all functions have been deactivated, the unit exits manual operation automatically after 10 seconds.

Error messages / troubleshooting

FAM 15/30/50/70 ATEX en(us) / 88



Signal Inscription Cause Remedy

H5 Vacuum column overfilled

The fill level [03] (overrun) in the vacuum column has been exceeded.

Possibly through foam formation in the vacuum column.

Reduce the vacuum in the vacuum column, e.g. from 300 mbar (absolute) to 400 mbar (absolute), increase the heating temperature to reduce the thickness of the oil film in the vacuum column.

Note: If the vacuum pressure cannot be reduced any further, replace the air filter.

H6 Inlet IN clogged No fluid is being sucked into the vacuum column.

Check shut-off device in the suction pipe, check suction strainer, suction hose could have become attached to the floor

Check vacuum pump and clean as required.

H7 Outlet OUT clogged

No fluid is pumped out of the FAM.

The vacuum pump is not being emptied.

Check shut-off devices in the return line, and check pressure relief valve of the evacuation pump.

H8 Temperature V-pump

The temperature of the vacuum pump is too high. Check the vacuum pump for dry-running

Check the oil level in the vacuum pump.

H9 Incorrect phase sequence

Wrong phase sequence or operation voltage too low

Check the phase sequence in the connection plug and the supply voltage.

H10 Changing the filter element

The differential pressure above the filter element is too high.

Replace the filter element.


FAM 15/30/50/70 ATEX en(us) / 88


Signal Inscription Cause Remedy

H11 Float switch The drip tray is filled. Empty the drip tray. Check the unit for leaks.

H12 Motor protection switch Q2/Q3

The electric motor of the drain pump or vacuum pump is overloaded.

Switch on the motor protection switch. Check the operating viscosity.

H13 Dry-running Evacuation Pump

Too little fluid is being sucked into the vacuum column.

Flow protection of the dewatering pump (dry-running protection)

Check/lean the suction strainer. Check the suction apparatus. The suction hose could have suctioned itself onto the bottom of the tank.

Check/Clean the vacuum pump.

H14 Level switch 01/02/03

The float switch is faulty.

Check the float switch.

H15 Pressure V-pump

The vacuum in the vacuum pump is too high.

Exhaust filter cartridge is used up.

Change the exhaust filter cartridge (for details, see instruction manual of the vacuum pump).

Error Cause Remedy

Oil mist is coming out of the exhaust line of the vacuum pump.



The vacuum pump has an unusually high oil consumption.




FAM 15/30/50/70 ATEX en(us) / 88


[H5] If the vacuum column is overfilled,

Ste

p Description

Malfunction:

"Vacuum column overfilled"

1. Press the RESET button.

2. Select manual menu 1, and start the evacuation pump

3. Can the vacuum column be emptied within 3.5°minutes from level 03 to level 01?

-> a. Yes -> proceed to Step 5. 4.

-> b. No -> proceed to Step 6.

5. Excessive foaming -> Vacuum in the vacuum column too high -> Reduce the vacuum (e.g. from 300 mbar(abs) -> 400 mbar(abs))

6. Check the evacuation pump for proper functioning.

7. The fault is repaired.


FAM 15/30/50/70 ATEX en(us) / 88


[H6] Inlet (IN) clogged

Ste

p Description

1. Malfunction: "Inlet clogged"

2. Cause: No fluid reaching the vacuum column

3. Check the setting of the shut-off devices in the suction line. If they are closed, then open them. Check/clean the suction strainer.

4. Press the RESET button to acknowledge/reset the fault.

5. Does the fault re-occur after ≈ 4 minutes?



7. Check the following points:

- Check the suction pipe for cross-section constriction.

- Check the functioning of the vacuum pump in manual mode.

- Are all shut-off devices in the suction line open?

8. The failure is repaired.


FAM 15/30/50/70 ATEX en(us) / 88


[H7] Outlet (OUT) clogged

Ste

p Description

1. Fault: "Outlet clogged"

Cause: Fluid cannot drain out of the vacuum column (pressure limiting of evacuation pump = 5 bar)

2. Check the position of the shut-off devices in the return line. If they are closed, then open them. Check/clean the suction strainer.


4. Does the fault re-occur after ≈ 4 minutes?



6. Check the pressure relief valve of the evacuation pump for proper functioning.

7. The failure is repaired.


FAM 15/30/50/70 ATEX en(us) / 88


[H8] V-pump temperature

Ste

p Description

1. Malfunction: "V-pump temperature"

Cause: The vacuum pump temperature is too high

2. Check the fill level in the vacuum pump. If necessary, fill up with the correct vacuum pump oil


4. Does the malfunction recur after the vacuum pump has started?



6. The vacuum pump or the controller in the control cabinet is defective.

7. Repair or replace the vacuum pump or the defective parts of the controller.



FAM 15/30/50/70 ATEX en(us) / 88


[H9] Wrong phase sequence

Ste

p Description

Malfunction:

"Wrong motor rotation"

1. Switch off and disconnect the power unit.

2 Replace the phases on the mains plug and check the mains voltage.

3. Switch on the power for the unit, and start it by pressing the main switch.

4. Check the direction of rotation of the pumps.

-> a. The fault recurs. -> proceed to Step 6. 5.

-> b. The fault does not recur. -> proceed to Step 7.

6. Switch off the unit at the main switch and check the network cable and plug or the electrical connection to the unit.


NOTICE

Incorrect rotation direction of the pump electric motor

The unit will be damaged.

► After any replacement of the electric motors, check the direction of rotation in manual operation before commissioning.


FAM 15/30/50/70 ATEX en(us) / 88


[H10] Change fluid filter

Ste

p Description

Malfunction:

"Replace fluid filter"


2. Switch off the unit at the main switch.

3. Close the ball cocks on the IN and OUT connections.

4. Empty the filter housing via the drain ball valve.

5. Replace the filter element according to the description on page 66.

6. Open the ball cocks on the IN and OUT connections.

7. Switch on the unit at the main switch.

8 Does the fault re-occur ≈ 4 minutes?



10. Check the differential pressure switch and the feed lines.



FAM 15/30/50/70 ATEX en(us) / 88


[H11] Float switch

Ste

p Description

Malfunction:

"Float switch"

1. Empty the oil collecting pan.


3. Start up the unit.

4. Check the unit for leaks, and fix them.

5. Does the fault re-occur after ≈ 2 seconds?



7. Check the float switch and the feed lines.



FAM 15/30/50/70 ATEX en(us) / 88


[H12] E/V/R pump motor protection

Ste

p Description

Malfunction:

"E/V/R pump motor protection"

1. Switch off and disconnect the power unit.

2 Open the control cabinet door. Switch the motor protection switch and/or fuse that was tripped back on and check the setting of the motor protection switch and/or the voltage capacity of the fuse in accordance with the motor type plate and/or the heater type plate.



4. Measure the current consumed by the motor.

5. Close the control cabinet door. Supply power to the unit. Switch on the unit at the main switch and start the unit.



7. Check the operational viscosity of the fluid (with motor protection switch only). Execute maintenance works on the vacuum pump.



FAM 15/30/50/70 ATEX en(us) / 88


[H13] Dry-running, E-pump

Ste

p Description

Fault "Dry running, E-pump"

1. Cause: Insufficient inflow into the vacuum column.

2. The suction-side pressure loss is too great. Possible remedies:

- Clean the suction strainer.

- Lower the suction height.

- Reduce the absolute pressure in the vacuum column e.g. from 500 mbar(abs) -> 400 mbar(abs).

- Increase the fluid temperature

- Increase the cross-section of the suction hose

- Shorten the suction hose

- Check the 2/2 way solenoid valve on the IN connection

3. Suction port in the tank sucks in air:

- Position the suction port lower in the reservoir

- The reservoir to be cleaned is too small.

4. Check the function of the vacuum pump in manual mode

5. Find the cause and fix it.




FAM 15/30/50/70 ATEX en(us) / 88


[H14] Level switch 01/02(02/03)

Ste

p Description

Malfunction:

Level switch 01/02(02/03)

1. Switch off the unit at the main switch.

2 Disconnect plug at the level sensor, and remove the level sensor.

3. Manually check the switching points on the level switch

-> a. Switching points are available. -> proceed to Step 5. 4.

-> b. Switching points not available. -> proceed to Step 6.

5. Inspect the plug and the cable to and in the control cabinet for the PLC for proper functioning.

-> proceed to Step 7.

6. Replace the level switch.

-> a. Function is available. -> proceed to Step 8. 7.

-> b. Function not available. -> proceed to Step 9.

8. The PLC is faulty.

9. Replace faulty parts.


FAM 15/30/50/70 ATEX en(us) / 88


[H15] V-pump pressure

Ste

p Description

1. Malfunction: "V-pump pressure"

2. Cause: the pressure in the oil separator for the vacuum pump is too high.

3. The air de-oiling element is used up / clogged.

3. Replace the air de-oiling element.


4. Does the malfunction recur after the vacuum pump has started?



6. The vacuum pump or the controller in the control cabinet is defective.

7. Repair or replace the vacuum pump or the defective parts of the controller.

8. Check the pressure relief valve of the evacuation pump for proper functioning.


Performing maintenance / inspection

FAM 15/30/50/70 ATEX en(us) / 88



DANGER

Risk of explosion

Danger of fatal injury

► Perform all maintenance work outside of the ATEX danger zone.

WARNING

Hydraulic systems are under pressure

Danger of bodily injury

► The hydraulic system must be depressurized before performing any work on the hydraulic system.

Maintenance, repair and servicing work on the FAM must only be performed by personnel who are both authorized and suitably trained for this purpose.

To prevent defects in the system, perform maintenance work regularly.

However, the intervals between inspections should not exceed a maximum of one year.

When determining the inspection intervals, take the following conditions into consideration.

Ambient conditions:

Set-up in the open

Wind, rain, sunlight

The operating conditions:

Degree of efficiency of the systems

Operator errors

Manufacturer information in the technical documentation:

Mechanical and electrical service life

Relatively large changes in the total system: For example, change in the zone division


FAM 15/30/50/70 ATEX en(us) / 88


Clean plastic parts only with a damp cloth.

If defects which affect explosion protection are discovered during inspections, then the FAM is to be taken out of service until the defect is remedied.

Repair and servicing work is not permitted on damaged flameproof enclosures (evacuation pump motor). In this case, replace the installed component/assembly.

Visual checks

Daily check all hoses/pipelines for leaks.

Regularly check by visual check the electrical equipment for possible damage to lines, the plug, sensors or cabling and the devices in the switch cabinet.

Immediately, correct any detected defects.


FAM 15/30/50/70 ATEX en(us) / 88


Overview of maintenance intervals

See

pag

e

Dai

ly o

r 24

ho

urs

.

Wee

kly

or

100

ho

urs

.

Mo

nth

ly o

r 50

0 h

ou

rs.

Eve

ry s

ix m

on

ths

or

2000

ho

urs

Yea

rly

or

4000

ho

urs

.

FAM

Visual check for leaks - X

Check to ensure the screwed fittings are securely tightened and retighten if necessary

-

X

Check the measurement technology equipment / Underpressure manometer / Dynamic pressure manometer at the fluid filter

-

X

Check fault indicator lamps 71 X

Change the air filter (if this has not been required earlier)

73

X

Clean the suction strainer. 72 X

Lubricate the electrical cabinet lock. 65 X

Vacuum pump

Check sealing chamber fill level 64 X

Check oil level X

Check oil for discoloration.

(See operating instructions of vacuum pump)

- X

Check that the oil filler neck and drain plug have been properly secured.

- X

Check the vacuum pump for leaks. X

Check the intake air filter and replace if necessary


X


FAM 15/30/50/70 ATEX en(us) / 88


See

pag

e

Dai

ly o

r 24

ho

urs

.

Wee

kly

or

100

ho

urs

.

Mo

nth

ly o

r 50

0 h

ou

rs.

Eve

ry s

ix m

on

ths

or

2000

ho

urs

Yea

rly

or

4000

ho

urs

.

Replace oil, oil filter X

Clean the vacuum pump of dirt and dust.

Fan cover, fan wheels, air grille, cooling fins, etc.

-

X

Check the flame arrester.


-

X

Check the measuring and security technology for proper functioning.


- X

Change intake air filter, clean intake strainer.


- X

Replacing the Air De-oiling Element X

Emptying / filling pump

Check the filling level of the reservoir to the seal chamber, and top off if necessary.

64 X

Cleaning and inspecting the ventilator hood

- X

Fluid Filter

Change the filter element (If this has not been required earlier)

66 X

Oil mist separator

Changing the filter element 80 X

Electrics


FAM 15/30/50/70 ATEX en(us) / 88


See

pag

e

Dai

ly o

r 24

ho

urs

.

Wee

kly

or

100

ho

urs

.

Mo

nth

ly o

r 50

0 h

ou

rs.

Eve

ry s

ix m

on

ths

or

2000

ho

urs

Yea

rly

or

4000

ho

urs

.

Perform an electrical inspection 63 X

Measure the engine power consumption of all engines and compare the values with the type label

- X

Perform electrical safety inspection in accordance with DIN VDE 0702 and/or corresponding national regulation.

- X

Measure power consumption of the heater and compare values with type label (applies only to versions with integrated heater)

- X

Function test

Check and clean the level sensor in the vacuum column.

- X

Float switch oil pan - malfunction message and E-STOP function

- X

Functional test of all components in manual operation

- X


FAM 15/30/50/70 ATEX en(us) / 88


Electrical inspection

In order to open the switch cabinet loosen the cover stop bolt and unscrew the cover by using the supplied handles (see picture, 2 pieces).

To close the cover carefully screw it in up to the cover stop bolt, then tighten the bolt.

General inspections

Are the wires in the terminal blocks clamped properly?

Are seals, cable glands and cable entries free of damage?

Are external connections of the potential equalization conductor intact?

Inspecting the outer condition the control panel / unit

Is the control panel free of ruptures, holes, bumps, material brittleness or corrosion spots?

Inspecting the condition of cable and pipe glands

Are the threaded joints tight? (Check them with a fork wrench.)

Is the sealing of the threaded joint / entry in satisfactory condition? (Visual inspection)

Are the entries tight? (Inspection by pulling)

Is the sealing within the entry in satisfactory condition?

Inspecting the internal condition of the control panel

Is the interior in perfect condition? (Visual inspection)

Is the seal system undamaged? (Visual inspection)

Are the electrical contact points in perfect condition? (Function test)

Is the interior dry and clean? (Visual inspection)

Is the insulation free of damage and traces of creep? (Visual inspection)

Is the mechanical fastening of the installations intact? (Visual inspection)

Is the rise in temperature of electrical contact points within the permissible range?

Do the electrical contact points make contact properly?

Inspection of the age and condition of installed apparatus

Are the devices used in the FAM still within the electrical or mechanical service life as specified by the manufacturer?

Inspecting the CONTROL CABINET prior to commissioning

Is the control cabinet intact?

Is the control cabinet again installed in accordance with regulations?

Is it certain that no foreign bodies or impermissible parts are located in the control cabinet?

Is the terminal chamber clean?

Is the connection performed correctly?

Are the cables and leads inserted properly?

Are all bolts and nuts tightened firmly?

Are cable entries and screw plugs seated correctly?

Are all unused openings sealed with certified sealing elements?

Are all covers and partition plates associated with energized components in place and


FAM 15/30/50/70 ATEX en(us) / 88


firmly attached?

Is the ground wire connected?

Filling sealing chamber of the drainage pump

Check the filling level of the reservoir to the seal chamber weekly; top off if necessary.

When refilling, use the fluid to be cleaned at a viscosity of between ISO VG 10 and VG 100.

(2) (1)

max. 7 ml

(1)

Item Designation

(1) Reservoir

(2) Seal chamber


FAM 15/30/50/70 ATEX en(us) / 88


Lubricating lock on the electrical cabinet

NOTICE

Corrosion on the lock of the electrical control cabinet

The lock cannot be opened / loss of ATEX approval

► Regularly inspect the lock for corrosion.

► Regularly lubricate the threads.

To prevent corrosion on the lock (x) of the electrical cabinet, lubricate the threads on the closure regularly (x).

To lubricate the threads on the lock (x), lubricating greases according to DIN 51502 K1-2 G-45.

We recommend: Blasolube 300. You can obtain this lubricant from HYDAC as a spare part; the part no. is in the spare parts list.

Proceed as follows to lubricate the threads:

1. Switch the unit off, pull the mains plug and bring the unit out of the area at risk for explosion.

2. Open the lock (x) by turning the driver counterclockwise, and remove it.

3. Remove any residue of the lubricating grease that is present on the lock and on the switch cabinet with a wear-resistant, lint-free and damp cloth.

4. Apply the appropriate new lubricating grease to the threads with a brush. Note here the safety and processing instructions of the respective product.

5. Place the lock (x) on the switch cabinet opening. Screw this in clockwise using the driver, and tighten it.

6. The lubrication of the lock is complete and the unit is ready for operation.


FAM 15/30/50/70 ATEX en(us) / 88


Replacing the filter element on the fluid filter

If the fault indicator lamp "Replace filter element" [H10]" lights up, replace the filter element on the fluid filter. See page 66 for details.

TToo cchhaannggee tthhee ffiilltteerr eelleemmeenntt,, yyoouu nneeeedd tthhee ffoolllloowwiinngg::

Filter element N15DMxxx (quantity and type dependent on version)

Allen wrench, size 6 mm

Fork wrench, size 13 mm

To change the filter elements, proceed as follows:

1. Switch off the unit at the main switch and make sure it cannot be inadvertently switched back on.

2. Close all shut-off valves at the inlet and

outlet.

3. Unscrew the air bleed screw (x) completely using a 10 mm Allen wrench.


FAM 15/30/50/70 ATEX en(us) / 88


4. (1) Have a suitable drip tray on hand to catch the fluid.

(2) Open the drain fitting, and collect the escaping fluid in the tray.

Once the housing has been completely drained, close the drain fitting.

3. Screw in the air bleed screw (x) by hand in a clockwise direction and tighten it firmly using a 10 mm Allen wrench.

4. Release the housing tensioning clamps (1),

and remove them.

Remove the cover (a).

Remove the intermediate piece (b).


FAM 15/30/50/70 ATEX en(us) / 88


5. Turn the locking cap on the top filter element by 90° in counterclockwise direction (1) and lift the locking cap off (2).

6. Turn all filter elements 90° in a

counterclockwise direction, and remove them.


FAM 15/30/50/70 ATEX en(us) / 88


7.

Dispose of the old filter elements in an environmentally friendly manner.

8. Clean the inside of the filter housing of

coarse dirt.

Check the O-rings on the filter housing for damage. Replace them if necessary.

9. Insert the filter element into the bayonet fitting (1), and lock it in place by turning each individual filter element 90° in the clockwise direction (2).


FAM 15/30/50/70 ATEX en(us) / 88


10. Place the locking cap onto the filter element (1).

Turn the locking cap 90° in the clockwise direction to lock it in place.

No locking cap = no filtration.

11. Put the intermediate piece (b) on the lower section (c).

Mount the lower housing tensioning clamp (1), and tighten it with a torque of 20 Nm. Secure using the lock nut.

Put the cover (a) on the intermediate piece (b).

Mount the upper housing tensioning clamp (2) and tighten it with a torque of 20 Nm. Secure using the lock nut.

We recommend applying lubricant containing a slip additive to the threads of the housing tensioning clamp each time filters are changed so that it remains easy to remove.

Lubricant containing a slip additive – HYDAC part no.: 3066287

12. Open all shut-off valves on the FAM (inlet and outlet).

Switch on the FAM at the main switch.


FAM 15/30/50/70 ATEX en(us) / 88


13. Fill the filter housing slowly.

Slightly undo the air bleed screw (x). The air in the filter housing can escape via the slot on the air bleed screw.

Bleed the filter housing through the air bleed screw (x) until operating fluid comes out.

Tighten the air bleed screw.

14. The filter element change is now complete.

Checking the fault indicator lamp

After the FAM is switched on, all fault indicator lamps light up for 2 seconds. Check to see whether all fault indicator lamps light up. Replace any defective lamps immediately.


FAM 15/30/50/70 ATEX en(us) / 88


Cleaning the suction strainer

NOTICE

Operation without a suction strainer


► Never operate the unit without a suction strainer

► Clean the suction strainer regularly

To protect the pump from coarse contamination particles and other foreign bodies, a dirt trap with a strainer insert is fitted at the pump inlet.

This strainer insert must be cleaned at regular intervals, e.g. by flushing it with solvent or blow-flushing it with compressed air.

1. Unscrew the screw plug (1) counterclockwise with an open-jaw wrench (50 mm).

2. Remove the strainer insert (3) and clean it.

3. Check strainer insert (3) and sealing ring (2) on the screw plug for damage. Replace it if necessary.

4. Insert the strainer insert (3).

5. Screw in the screw plug by hand clockwise, and tighten it using the open-jaw wrench (50 mm).

6. Check the suction strainer fitting for leaks after commissioning.

12

3


FAM 15/30/50/70 ATEX en(us) / 88


Changing the air filter element

You will require:

Air filter (for part-no., see replacement parts list)

RReeppllaaccee tthhee aaiirr ffiilltteerr eevveerryy ssiixx mmoonntthhss..

RReeppllaaccee iitt mmoorree ffrreeqquueennttllyy aass rreeqquuiirreedd bbyy tthhee aammbbiieenntt aaiirr ccoonnddiittiioonnss ((ee..gg..,, dduussttyy//hhuummiidd))..

Unscrew the air filter by hand Screw on the new air filter by hand


FAM 15/30/50/70 ATEX en(us) / 88


Vacuum pump maintenance

Also see the supplied operating instructions of the vacuum pump.

b

a

c

d

f

g

e

i

h

Item Designation

a Temperature sensor

b Suction port connection

c Grounding connection

d Outlet

e Flame arrester

F Oil filler neck

g Pressure switch

H Electrical connection

i Coupling


FAM 15/30/50/70 ATEX en(us) / 88


Maintenance interval

Description

Before startup Check the fill level and the coloration of the compressor oil (for details, see instruction manual of the vacuum pump).

Daily Check the fill level and the coloration of the compressor oil (for details, see instruction manual of the vacuum pump).

Visual check of the entire vacuum pump for leaks.

Weekly Check the fill level and the coloration of the compressor oil (for details, see instruction manual of the vacuum pump).

Check that the oil filling screw [f] is screwed in tight. Torque max. 35 Nm.

Visual check of the entire vacuum pump for leaks. Immediately repair leaks.

Monthly Check the exterior of the vacuum pump and individual component parts for dirt and dust deposits.

If necessary, clean the vacuum pump and the component parts.

Every 6 Months Clean the fan hoods, the fan wheel, the fan grids and the cooling fins.

Carry out an inspection and check the measurements of the electrical connection [i] of the electric motor of the vacuum pump.

Execute the circumferential backlash and visual inspection of the coupling [h] (for details, see instruction manual / maintenance plan of the vacuum pump).

Change the air suction filter / air dehumidifier (for details, see instruction manual / maintenance plan of the vacuum pump).

Check and clean the flame arrester of the vacuum pump (for details, see instruction manual / maintenance plan of the vacuum pump).

Every six months or every 1500 operating hours

Replace the compressor oil (for details, see the instruction manual of the vacuum pump).

Replace the exhaust filter cartridge (for details, see instruction manual of the vacuum pump).

All deposits, such as dirt and dust, threaten the explosion safety of the unit.


FAM 15/30/50/70 ATEX en(us) / 88


Filling the vacuum pump

Max.

Min.

[a]

[c]

[b]

To fill the vacuum pump, open the fill plug [a]. Add oil until the level comes up to the MAX mark on the oil level glass [b].

Check the oil level daily. When the fill level gets down to the MIN mark, add oil.

The oil level for initial filling ≈ 2.0 liters. The oil level between the MIN and MAX marking is ≈ 0.45 Liter.

The vacuum pump is certified for operation with synthetic oil "Leybold LVO 210". If a different oil is used, the EC and ATEX certificates are voided.

This vacuum pump oil is available from HYDAC under the following part no.:

Description Packaging Part no.:



Further maintenance instructions for the vacuum pump

For further information and specific instructions refer to the included component manufacturer's instructions.


FAM 15/30/50/70 ATEX en(us) / 88


Test vacuum column level sensor

YYoouu wwiillll rreeqquuiirree::

Philips screwdriver, PH#2 + PH#3

Fork wrench SW13

PPeerrffoorrmmaannccee iinnssttrruuccttiioonnss::

Remove the four nuts on the vacuum column cover.

Release the safety screw on the level sensor plug.

Pull out the plug.

Carefully remove the cover together with the level sensor.

Attach the cover to the vacuum column as shown.

Clean the dirt off of the level sensor

CChheecckk tthhee ffuunnccttiioonniinngg ooff tthhee ffllooaatt lleevveell sseennssoorr uussiinngg tthhee PPLLCC iinnppuuttss.. MMoovvee tthhee ffllooaatt aawwaayy bbyy hhaanndd.. TThhee uunniitt mmuusstt bbee sswwiittcchheedd oonn ffoorr tthhiiss tteesstt..


FAM 15/30/50/70 ATEX en(us) / 88


Switching Status - Level Sensor Vacuum Column/PLC

IIff tthhee uuppppeerr ffllooaatt iiss sshhiifftteedd uuppwwaarrdd,, tthheenn tthhee ffaauulltt mmeessssaaggee ""VVaaccuuuumm ccoolluummnn oovveerrffiilllleedd"" mmuusstt aappppeeaarr oonn tthhee tteexxtt ddiissppllaayy.. AAcckknnoowwlleeddggee tthhee mmeessssaaggee wwiitthh tthhee ""RREESSEETT"" kkeeyy..

PPeerrffoorrmm tthhee aasssseemmbbllyy iinn rreevveerrsseedd oorrddeerr ooff sseeqquueennccee..

!

Leve

l sen

sor

I0.3 I0.4 I0.5 I0.3 I0.4 I0.5

ON OFF ON OFF ON OFF

P

LC


FAM 15/30/50/70 ATEX en(us) / 88


Testing the Float Switch in the Oil Pan

Proceed as follows to test the float switch in the oil pan:

1. Use your fingers to raise the float switch in the oil pan.

2. The unit must switch off and the fault message "Pan overfilled" must appear in display of the control panel.

3. Release the float switch and acknowledge the fault message by pressing the F3 key.

4. The unit continues to operate -> You have tested the function of the float switch positively.

5. If the unit does not switch off after the lifting of the float switch and no fault message appears, contact the HYDAC Service.


FAM 15/30/50/70 ATEX en(us) / 88


Replacing filter element on the oil mist separator

Item Designation

1 Separator head

2 Separator pot

3 Clogging indicator

4 Filling level display

The oil mist separator is located between the vacuum column and the vacuum pump.

A filter element is used to retain the oil mist and the oil in the oil mist separator and the oil is collected in the separator pot, where it is continuously suctioned off and returned to the vacuum column.

The filter element (for part-no., see replacement parts list) is to be replaced on a regular basis in accordance with the maintenance schedule.

The clogging indicator (3) of the oil mist separator is not functioning.


FAM 15/30/50/70 ATEX en(us) / 88


Replacing the filter element on the oil mist separator

Quit automatic mode of the FAM. Then wait ≈1 minute until normal pressure (environmental pressure) is reached in the vacuum column.

Rotate the separator pot [2] 1/8th of a turn to the left (bayonet seal) and remove from the bottom.

Turn the used filter element clockwise to remove and dispose of it in an environmentally correct manner.

Insert the new filter element and screw it into the separator head (1) by turning it counterclockwise.

Insert the separator pot (2) into the separator head (1), and secure it with a 1/8th turn (bayonet seal).

The filter element change is now complete.

Replacement Parts and Accessories List

FAM 15/30/50/70 ATEX en(us) / 88


Replacement Parts and Accessories List

To ensure safe and reliable operation of the unit, use only original spare parts and accessories.

When ordering spare parts, always indicate the unit designation with: Type / material no. / serial no. / year of manufacture.

Qty. for FAM

Designation Part no.

15 30 50 70

Filter element, 2 µm - N15DM002 01251590 1 2 3 4




O-Ring for filter housing, 270x10, NBR

6005449 1 2 2 4

Air filter 0160 MU 003 M 01265765 1 1 1 1

Suction strainer assy., consisting of:

- Suction strainer

- Sealing ring

00635055

06010807

06034076

1

1

1

1

1

1

1

1

1

1

1

1

Vacuum pressure gauge 00639989 1 1 1 1

Pressure hose * 1 1 1 1

Suction hose * 1 1 1 1

Filter element oil mist separator 6061300 1 1 1 1

Compressor oil, LVO 210, 1 liter 3795250 - - - -

Compressor oil, LVO 210, 5 liter 3769255 - - - -

Exhaust filter cartridge for the vacuum pump

6064703 - - - -

Lubrication grease, Blasolube 300, 0.9 kg

3837606 - - - -

*) available on request

Customer Service

FAM 15/30/50/70 ATEX en(us) / 88


Customer Service

For product information, technical support or if you have comments or suggestions concerning this manual, please contact:

HYDAC FILTER SYSTEMS GMBH

Telephone: +49 (0) 6897 509 1174

Fax: +49 (0) 6897 509 9046


Regular inspection and maintenance work is indispensable for ensuring trouble-free operation and long service life for your FluidAqua Mobil.

Our HYDAC Servicenter offers you these tasks within agreed-upon time frames and at fixed prices.

HYDAC Service GmbH Friedrichsthaler Straße 15a, Werk 13 66540 Neunkirchen-Heinitz

Germany

Telephone: +49 (0)681 509 883

Fax: +49 (0)681 509 324


Storing the FAM/Taking it out of Operation

FAM 15/30/50/70 ATEX en(us) / 88


Storing the FAM/Taking it out of Operation

Drain the FAM completely, including all of its components, before putting it into storage.

Pull out the power plug, and securely fasten the hoses and power cord to the FAM.

Store the FAM in a clean, dry (condensation-free) space.

Observe the following storage conditions:

Storage temperature: 0 … 50°C

Relative humidity: max. 75 % (non-condensing)

Disposing of the FAM

Dispose of the packaging material in an environmentally friendly manner.

After dismantling the unit and separating the various materials, dispose of the unit in an environmentally friendly manner.

Technical specifications

FAM 15/30/50/70 ATEX en(us) / 88


Technical specifications

FAM 15 ATEX

FAM 30 ATEX

FAM 50 ATEX

FAM 70 ATEX

Filter size OLF15 OLF 30 OLF 45 OLF 60

Filter element 1x N15DMxxx

2x N15DMxxx

3x N15DMxxx

4x N15DMxxx

Pressure chamber volume 20 l 40 l 60 l 78 l

Contamination retention capacity according to ISO 4572

500 g 1000 g 1500 g 2000 g

Clogging indicator VM 2 C.x VM 2 C.x VM 2 C.x VM 2 C.x

Rated pressure of the differential contamination display

2 bar 2 bar 2 bar 2 bar

Pump type Gear pump Gear pump Gear pump Gear pump

Flow rate at 50 Hz 17 l/min 36 l/min 56 l/min 76 l/min

Operating pressure 4.5 bar 4.5 bar 4.5 bar 4.5 bar

Viscosity range 15 … 500 mm²/s

15 … 500 mm²/s

15 … 350 mm²/s

15 … 150 mm²/s

Electrical power consumption

1900 W 2700 W 3200 W 5100 W

IP class IP 55 IP 55 IP 55 IP 55

Length of the electrical connection cable

10 m 10 m 10 m 10 m

Length of hoses 5 m 5 m 5 m 5 m

Hoses, material NBR NBR NBR NBR

Inlet / outlet G1½ / G1 G1½ / G1 G1½ / G1 G1½ / G1

Material of sealings NBR NBR NBR NBR

Weight when empty ≈ 640 kg ≈ 660 kg ≈ 680 kg ≈ 700 kg

Typical dewatering speed ≈ 1 l/h* ≈ 1.7 l/h* ≈ 2.2 l/h ≈ 2.6 l/h

Minimum water content < 100 ppm* < 100 ppm* < 100 ppm* < 100 ppm*

Fluid temperature range see page 12

see page 12

see page 12

see page 12

Ambient temperature rangesee page 12

see page 12

see page 12

see page 12

*) Oil: HLP46; dewatering rate in particular dependent on fluid type, viscosity, temperature, and water content.

Index

FAM 15/30/50/70 ATEX en(us) / 88


Index

A

Accessories ...................................................... 5, 83 Ambient temperature range.................................. 86 ATEX .......................1, 14, 22, 24, 39, 58, 65, 76, 86

C

Cause ................................45, 46, 48, 49, 50, 55, 57 Changing the filter element............................. 45, 61 cleaning ................................................................ 29 Clogging indicator........................................... 81, 86 Compressor oil ......................................... 39, 76, 83 connecting ...................................................... 33, 37 Connection ........................................... 4, 30, 36, 42 Contamination retention capacity ......................... 86 Content ................................................................... 3

D

degassing ....................................................... 12, 22 Density ................................................................. 33 Description..3, 22, 26, 39, 44, 47, 48, 49, 50, 51, 52,

53, 54, 55, 56, 57, 75, 76 dewatering.....................................12, 14, 22, 46, 86 Dewatering ........................................................... 22 Disposal................................................................ 17 Documentation Representative .......................... 2, 3 drain plug.............................................................. 60

E

EC declaration of conformity................................. 21 Error ........................................................... 4, 45, 46 Error message.................................................. 4, 45

F

filling ............................26, 38, 39, 42, 61, 64, 75, 76 Filter ..............................................15, 61, 66, 83, 86 Filter element............................................ 66, 83, 86 filtration........................................................... 22, 70 Float switch..........................4, 24, 25, 28, 46, 53, 62 Flow rate................................................... 22, 33, 86 Fluid filter .................................................. 24, 25, 28 Fluid level indication ....................................... 24, 28 Fluid temperature range ....................................... 86 Forwarding agent.................................................. 17

G

Gear pump............................................................ 86

H

Hazard symbol ................................................... 3, 8 Hydraulic diagram ............................................ 3, 27 Hydraulic oil .......................................................... 42

I

Imprint ................................................................ 2, 3 IN 4, 32, 34, 42, 45, 48, 52, 55 Inlet .....................................4, 24, 25, 28, 45, 48, 86 IP class................................................................. 86 ISO ......................................................22, 40, 64, 86

L

Level sensor ......................................................... 79 Level switch...............................4, 24, 25, 28, 46, 56 Limit value ............................................................ 31 Lubrication oil ....................................................... 42

M

Maintenance..........................................1, 21, 58, 75 Material of sealings .............................................. 86 measuring............................................................. 61 Mineral oil ........................................................13, 33 Motor protection switch......................................... 46 mounting............................................................... 30

O

OFF .................................................................26, 79 Oil filler neck......................................................... 74 operating ..6, 7, 8, 13, 15, 16, 17, 29, 35, 38, 42, 44,

46, 58, 60, 61, 71, 74, 75 Operation.............................5, 12, 15, 17, 38, 72, 85 OUT.....................................4, 32, 35, 42, 45, 49, 52 Outlet...............................................4, 30, 45, 49, 74

P

Pressure differential ............................................. 33 Pressure hose .................................................28, 83 Pressure setting ................................................... 42 Publisher ................................................................ 2 Pump.....................................................4, 38, 46, 86

R

Relative humidity .................................................. 85

Index

FAM 15/30/50/70 ATEX en(us) / 88


Remedy .......................................................... 45, 46

S

select ...................................................................... 7 Sensor .............................................................. 5, 79 Service ....................................................... 5, 80, 84 setting................................24, 25, 26, 28, 30, 48, 54 Signal word....................................................... 3, 10 signal words.......................................................... 11 Specialist personnel ....................................... 16, 17 Start delay .......................................... 26, 41, 42, 44 Suction hose................................................... 28, 83 Suction port connection ........................................ 74 Switching point ..................................................... 56

T

Temperature ............................................. 14, 45, 74

to shut down ......................................................... 18 Transport .............................................................. 17 transporting .......................................................... 19

V

Vacuum ..4, 5, 24, 25, 28, 38, 44, 45, 47, 60, 74, 79, 83

Vacuum column.......................24, 25, 28, 45, 47, 79 Vacuum pressure gauge .....................24, 25, 28, 83 Vacuum pump .....................5, 24, 25, 28, 44, 60, 74 vacuum pump oil .................................30, 39, 50, 76 Vegetable oils....................................................... 13 Viscosity ............................................................... 86

W

Water content ....................................................... 22 Weight .................................................................. 86

HYDAC FILTER SYSTEMS GMBH Industriegebiet Postfach 1251 66280 Sulzbach/Saar 66273 Sulzbach/Saar Germany Germany Phone: +49 (0) 6897 509 01 Central Fax: +49 (0) 6897 509 9046 (Technical Department) Fax: +49 (0) 6897 509 577 (Sales Department) Internet: www.hydac.com E-mail: [email protected]

fluidaqua mobil fam 15/30/50/70 atex...preface fam 15/30/50/70 atex en(us) page 6 / 88bewa fam15-70...

Documents