Components,Systems and Servicefor Excavators.

With 4,000 employees worldwide, HYDAC isone of the leading suppliers of fluid technology,hydraulic and electronic equipment.

Our wide range of products, combined withour expertise in development,manufacturing, sales and service enablesthe construction machinery industryworldwide to overcome the mostdiverse problems.

Our quality andenvironment certificationto ISO 9001/2000and ISO 18001denote first class qualityand responsiblemanagementof our resources.

Global yet local.With 40 overseassubsidiaries andover 500 distributorsand service partners,HYDAC is yourreliable partnerworldwide.

Your professional partnerfor excavators.

Solution packages.One supplier.One contact.

Wherever you need us,we are there to help youfind the most effective solution.

For every application,from components to a complete system.

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From the components to the systemWhether in hydraulics, electronics or mechanics

Your demand for the best solution is our challenge:Higher level of comfortdue to reduced vibration and noiseImproved serviceabilitydue to optimised design and combination of componentsIncreased operational safetyby reducing the number of interfacesIntegration of reliable electronic systemsand componentsOptimising costs by reducing the complexity of choicethrough standardisation and modular constructionWe give our support with:Active co-operation in a close development partnershipWorldwide commercial and technical supportthrough our global presence

HYDAC in excavators.

Electroniccontrols andsensorsto completethe system electronics.Max. load regulationElectro-hydraulic load sensingIntegral acquisitionof operating dataControlsof special equipmentCut-off devicesto protect vehicle systemsSafety cut-offto protect the driverand machine

Application-compatiblesensorsIP 67 KVibration resistant throughuse of potted componentsAll common connectionsavailable

For preventivefluid servicingand to enhanceoperational safetySignals tocustomisedsoftware or externalhand-held measuring units- Pressure and temperature- Oil condition- Particle contamination

and moisture- Fluid level

Fluid level sensor ENS

Pressure transmitters

Temperature switch

HYDACLab® / CS 1000

Portable data recorders

Accumulator technologyAccumulators in all types of functionprinciple for every application:- Energy storage- Smoothing of pump pulsations- Prevention of pressure spikes

and noise- Chassis suspension- Weight compensation- Outrigger suspension

1

Excavator pilot control

Modular stacking system

Hydraulic accumulators SBO,SK and SB

Proportional pilot control modulesThe proportional pressure reducingvalve PDR08-11 is a direct-operated 3-waypressure valve, spool type,with outlet pressure relief.Main application:as pilot control for directional valves.Technical specifications:Operating pressure across port 2: max 250 barReducing pressure port 1: max 50 barFlow rate: max 18 l/min

2a

Control block with proportional pressure reducing valves

Proportional pressure reducing valvePDR08-11

6/2 directionalchange-over valveFor controllingdifferent userswith oneoil supply.Functioncan be extendedin any way.

6/2 directional change-over valve

Pilot control modulesPCMAs modular stacking systemfor increased flexibilityor as a compact blockfor large quantitiesfor cost optimisation.Any combinationof 3/2 directional valves,pressure relief valves,flow regulators,hydraulic accumulators(emergency functions,reducing pressure spikes),filtersTechnical details:Qmax: 15-23 l/minPmax: 210 bar

2

Emergency steering kitIn the event of failure of the energysupply to the steering system,the vehicle can be safelymanoeuvred until it comesto a stop.Technical specifications:Operating voltage:12/24 V DCFlow rate: 3-18 l/minPressure setting range:50-250 barIntegral temperature switchSuitable for confined spaces dueto compact construction

3

Filter systems4

Energystorage

1

Rotary joint

5

ProportionalPilot control module 2a

2a

PCM2

8

ProportionalPilot control module

Diesel fillingpump kitTo enable the fuel tank on thevehicle to be filledindependently of stationaryfuel stations.Technical specifications:Operating voltage:12/24 V DCFlow rate: 5-50 l/minIntegral temperature switchCompletely sealedcheck valve,no leaks

Rotary jointsFor rotary transfer ofthe hydraulics, electrics and air.Up to 14 channels.Operating pressures up to 420 barDN 8 – DN 40G 1/2“ – SAE-6000, 1 1/2“State-of-the-artrotary seals

5

Plastic tank solution with patented,leak-free connection betweentank-top filter and tank surface.

Tank filter solutionsfrom one company

Ready-to-install completesystems, optimised for componentprotection, system cleanlinessand venting.

4

Steel tank with built-in filter

PCM

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Cooling systems7

Filter systems6

3 Emergency steering pump

Filter systems

Outrigger suspension

Filtration solutionsA comprehensive range of hydraulic and breatherfilters, fitted with high-quality filter element materials,ensure a high level of operating safety and extendedmaintenance intervals e.g.Return line filtrationUsing return line filter RFMAs tank-top or in-tank filterFor tank integration (SET version) up to 2,000 l/minSupply circuit filtrationUsing inline filter LPFPressure oil filtrationUsing inline filter MFMRemoval of coarse contaminationUsing inline filter ILFAir filtrationwith air breather filters BF, ELF, ELFL, BDExtensive standard product rangeOptionally with check valve for tank pre-chargeAnti-splash protection possibleVersion with dehumidifierFilter clogging indicatorsto improve the operational safety and to indicatemaintenance intervals, if requiredBrand labelling to safeguard spare parts businessLabelling of filter elements to improve productidentification and to guarantee the requirement forreplacement elements

6

Cooling systemsTo comply withlegal requirementsfor noise, emissions(EURO 4, TIER 3) andfuel economy, high capacityand easy-to-install coolingsystems are available.Integral thermally controlledbypass valvesElectrical / hydraulic drivesavailable with proportionalspeed controlMultiple combined coolingsystems available

7

Return line filter RFM

Inline filter LPF Inline filter MFM

Outrigger suspensionHydro-pneumaticsuspension systemwith integral pistonaccumulatorand electronic hosebreak valve.High level of operational safetythrough the use of activepressure compensation.

8

Cab suspension

Hydro-pneumaticcab suspensionwith appropriatedampingand level controlfor full utilisationof the spring travelof the cab.

AccessoriesFor the completion ofhydraulic systems:Fluid level gaugesand sensors,with integralelectronic sensorsfor specificconnection tocustomer softwareMounting elementsfor componentsand pipesBall valves as componentsor in vehicle-specificcombinations

Tank breather filters BF, ELF, ELFL, BD Filter elementswith brand labelling

Filter clogging indicators

Service, commissioning, analysis and diagnosis

Constantly growing demands for operational availability,the reduction of downtimes, detailed load and service management(economy, wear and tear, service, warranty) require innovative monitoring,service and control concepts.

A variety of sensors provides the ideal basis for the constructionof such total system solutions.Oil condition / oil ageing via temperature, moisture, viscosity, dielectric constant(HYDACLab®), water content (AS), temperature (ETS)Particle contamination (CS)Pressure (HDA)Flow rate (EVS)Fluid level (ENS)When used in conjunction with the Portable Data Recorders of the HMG series, thisdata can be displayed and analysed, to supplement the electronics of the machine(servicing).

Systems andService – worldwide.

70 - 80 % of all breakdowns in hydraulic and lubrication systems is due to excesscontamination of the fluids and components used.In practice, this direct relationship is often not sufficiently recognized.HYDAC offers a comprehensive range of easy-to-use measurementand analysis equipment to monitor the condition of operating mediaand component cleanliness.Fluid laboratory vehicles are in service worldwide.

Condition monitoring, remote data transfer

GSM Modem GPS Joysticks Data Storage

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MASTERController

ANALYSIS(Option)

- Initial Startup- Customer Service- HYDAC Service

SENSORSPressure:- HDA 4700

Oil Condition:- HYDACLab®

Contamination:- CS 1000

HMG 3000

Displays Keyboards

Customer

SatelliteMobile (SMS)Internet

Com

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Industriegebiet66280 Sulzbach/SaarGermany

Phone:+49 (0)6897/509-01

Fax:+49 (0)6897/509-577

Internet: www.hydac.comE-Mail: mobile@hydac.com

Head OfficeHYDAC INTERNATIONAL

GMBH

Global presence.Local expertise.www.hydac.com

HYDAC Headquarters

HYDAC Companies

HYDAC Distributors and Service Partners

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