Dudley PUSHFLO User manual
Fitting the ‘Royal’ push button.
The button requires a 40mm diameter hole in the panel for mounting. Release the clamping cup nut from the
push button by rotating it anti-clockwise. Fit push button assembly into panel and replace cup nut onto rear of push
button housing by rotating clockwise until the button assembly is clamped in position securely. Connect the clear
pipe from the outlet valve to the centre connector at the rear of the button. Although the tube is supplied one metre
long it is advisable to shorten the tube to the minimum required for the installation. Also make sure there are no kinks
in the tube when assembling the panel.
Can be fitted to panel thicknesses between 3mm and 20mm. (By turning the cup nut around, it is possible to attach to
panels upto 40mm with the addition of an appropriate washer.)
Turn off water supply and operate Push Button to empty cistern.
The outlet valve can now be rotated anti-clockwise and released from its housing attached to the cistern. Remove the
outlet valve together with the pneumatic pipe attached to it.
With a clean wet cloth, carefully wipe around the seal area of the moulding still attached to the cistern.Stubborn mineral
deposits may be removed using a non-abrasive bathroom cleaner.
Clean the rubber seal on the Valve Assembly in the same way as the seal face described earlier.
Do not use solvents to clean any part of the valve and take care not to damage the sealing faces.
Should the seal become damaged enough to impair the valves performance a replacement seal can be purchased
through your local Thomas Dudley supplier.
Maintenance of the Outlet Valve.
Mineral deposits from the water supply or other foreign material can cause the valve not to seat properly and thus water
leakage may occur. A trickle of water running into the W.C pan is the result.
Reassemble the outlet valve into the cistern in the reverse order. Turn on water supply.
Thomas Dudley Ltd
PLASTIC 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
‘PUSHFLO’ Pneumatic Cistern Installation Instructions
Incorporating Single Flush ‘Niagara’ Outlet valve, Single Flush ‘Royal’ Pneumatic Push Button &
‘Hydroflo’ Inlet Valve.
This cistern installation is designed to meet 2001 water regulations and will deliver 6 litres on full flush conditions.
Note this assembly should only be used with WC pans specifically designed for 6 litre volume flush.
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.
The cistern is designed for concealed fitting and should be fixed to its mounting surface with suitable rust resistant
screws (not supplied) using the holes provided. Cistern can be fitted with left hand or right hand water inlet .
Fitting of the ‘NIAGARA’ Flush Valve.
Disassemble the Valve assembly from the Body assembly by rotating the valve assembly anti-clockwise. With the
Rubber Washer in place on the Body assembly, fit the assembly together with the Bowl into the cistern making sure
that the second rubber washer is between the bowl and the cistern. Secure to cistern using Backnut, tighten enough
to prevent leakage. Adjust Overflow pipe height so that the top of the pipe is 20 to 25mm above the marked water
level on the inside of the cistern. Insert one end of the pneumatic tube, supplied, into the black rubber connector and
make sure the centre stem is free to move up and down and it is located in its guide at the top. Refit the Valve
assembly to the Body by engaging the lugs and rotating clockwise. Align the valve so that the word Dudley on the
cover is parallel with the length of the cistern.
Fitting of the ‘HYDROFLO’ inlet valve.
Follow the instructions which are packed with the Inlet valve.
Testing the Flush Valve.
Fill the cistern to approx.13mm below the water level marked on the inside wall of the cistern. Attach the pneumatic
tube from the Outlet Valve to the connector at the rear of the Push Button. Operate the Push Button and check that
the Outlet valve opens positively and delivers the full flush amount of water to the pan.
Tdcf1202
RUBBER SEAL
PNEUMATIC PIPE
PNEUMATIC PIPE CONNECTOR
CENTRE STEM
WASHER
RUBBER
BOWL
SEALING WASHER
TAPERED FLUSHPIPE
WASHERS
RUBBER
SEALING WASHER
TAPERED FLUSHPIPE
Side Inlet Bottom Inlet
Pneumatic
Single Flush
Outlet Valve
40mm
Diameter Hole
Pneumatic
Push Button
Single Flush Cup nut
Push Button
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