Servicing Procedures - Toto DuoFit WT171M Manuel D'installation Et D'utilisation

SERVICING PROCEDURES

Replacing the Flush Valve
1) Remove the splash guard and pull it
out.
2) Close the shutoff valve in the tank,
and then push the button on the
actuator to flush the water.
3) Push on the tab to remove the actua-
tor.
4) Tilt the two pull-up rods of the flush
valve to the right.
5) Remove the hold-down bracket by
pulling on the tab indicated.
6) Pull the flush valve up, and rotate the
rods.
❷
❶
7) Rotate the whole unit as you pull it
out.
❷
❶
❸
8) At the other end of the flush valve,
the rubber piece can be removed for
cleaning or to be replaced.
9) To install the parts back into the
tank, do the reverse order.
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SERVICING PROCEDURES
Adjusting the Water Level in the Tank
1) Follow the procedure for removing the flush valve.
2) Disconnect the flexible hose from the fill valve.
3) Pull the hook toward you, slide the main unit up, and then remove the fill valve
main unit.
4) Turning the screw clockwise will raise the water level.
5) Turning the screw counterclockwise will lower the water level.
6) The water level must be 35mm [1-3/8"] for 1.28gpf/0.9gpf (4.8Lpf/3.4Lpf) and
12mm [15/32"] for 1.6gpf/0.9gpf (6.0Lpf/3.4Lpf) below the overflow tube.
7) To install, follow the procedure
in reverse to return the fill valve to
its original position.
Flexible
hose
Water Level
Overflow pipe
Fill Valve
Cleaning the Filter of the Fill Valve
1) Close the water shutoff valve, and then remove
the fill valve as described above.
2) As shown in the figure, disassemble the fill
valve, and then either clean the filter with water
or use a brush to clean any dirt from it.
3) To install, follow the procedure in reverse to
return the fill valve to its original position.
Screw
35mm [1-3/8"] (1.28gpf/0.9gpf)
12mm [15/32"] (1.6gpf/0.9gpf)
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