Pneumatic Cistern Installation InstructionsThis cistern installation is designed to meet 2001 water regulations and will deliver 6 litres on full flush conditions and 4litres on partial flush conditions. Note this assembly should only be used with WC pans specifically designed for 6 litre volume flush.

Dudley cisterns are designed to be fixed flat to the wall with suitable rust resistant screws (not supplied) using the holes provided. Cistern can be fitted with left hand or right hand water inlet.

1 - Fitting of the ‘HYDROFLO’ inlet valve.Follow the instructions which are packed with the Inlet valve.

2 - Fitting of the ‘NIAGARA’ flush valve.

3 - Fitting the push button.Follow the instructions which are packed with the push button

WARNING. No sealing compound, paste, flux or solvent to be used in contact with plastic surfaces, to avoid damage to plastic components. Rubber washers should be adequate seal. PTFE tape may be used on threads.No chemical block / additive to be put in this cistern.

Bowl(If supplied)

GreenTube

Square ClipSpigot

Transparenttube

Circular Clip Spigot

2.3 Connect the pneumatic tubes (Single flush valve supplied with transparent tube only).

Cisterns with internal warningpipe (for external

warning in UK adjust pipe above spillover level of

external warning pipe)

6 litre flush 4 litre flush

2.2.1 Where a bowl is supplied. Assemble valveinto cistern as shown and tighten backnut.

Backnut

Rubber washer

Bowl

Rubber washer

Niagara valve

2.1 Make sure the centre stem is free to move up and down and it is located in its guide at the top of the valve.

Centrestem

assembly

R323231 11380 Iss B

Side Inlet

Tapered Flushpipe

Sealing washer

Rubber washers Backnut

Slip ring

Capnut

Bottom Inlet

Tapered Flushpipe

Sealing washer

Rubber washersBacknut

Slip ring

Capnut

Cisterns withblanking plug

2.2.2 Where a bowl is not supplied. Assemble valve into cistern as shown and tighten backnut.

Backnut

Rubber washer

Niagara valve

Sealing Face

6.4 - Clean sealing face of valve body with a none abrasive cleaner.

6.5 - Re-assemble and turn on water supply.

Before turning on water supply check -

- - ALL MOVING COMPONENTS OPERATE FREELY - ALL JOINTS ARE TIGHTENED CORRECTLY

CISTERN IS SECURE

Now fill cistern and set water level.

- - ENSURE ALL MOVING COMPONENTS OPERATE FREELY - CHECK FLOAT ARM MOVES FREELY UP AND DOWN AND CLOSES OFF CORRECTLY - TEST OUTLET VALVE OPERATION AND THAT CISTERN FLUSHES THE CORRECT VOLUME

CHECK CAREFULLY FOR LEAKS

6.1 - Turn off water supply and empty cistern. 6.2 - Release flushvalve from base and removefrom cistern.

6.3 - Wash seal in clean water.

4 - Internal / External warning.

5 - Final check list.

6 - Maintenance of the Outlet Valve.

4.1 - pipe holes in side or bottom of cistern as shown. Discard external warning pipe connectors.

Internal warning - seal external warning

Rubber washer

Blanking plug

Rubber washerBlanking plug

External warning pipe

Rubber washer

External warning pipe

Backnut

BacknutBacknut

Backnut

Rubber washer

4.2 - External warning bottom entry - Assemble as shown angling pipe into corner of cistern and secure with backnut.

4.3 - External warning side entry - Assemble as shown and secure with backnut.

Thomas Dudley Ltd. 2008.

Replacement/spare parts can be purchased from a local Thomas Dudley supplier or ordered direct though our sales office who can be contacted on - 0121 530 7000

Thomas Dudley LtdPLASTIC CISTERN MANUFACTURERS

Dauntless Works, P.O.Box 28, Birmingham New Road, Dudley,West Midlands, DY1 4SN

Telephone: 0121 530 7000 Fax: 0121 557 5345 E-mail: sales@thomasdudley.co.uk