Servicing Procedures - Toto THU343 Manuel D'installation

Servicing and/or Replacing the Flush Valve
1) Remove the actuator by turning the two grey knobs
a half-turn counterclockwise and pull it out.
2) Turn off the stop valve (see Ill. 1).
3) Press down on the hold down bracket to
remove it (see Ill. 2).
4) Hold the top of the fl ush valve and pull upward. While
pulling, fold the upper tubes of the fl ush valve towards
and tilt it sideways to remove it.
5) At the other end of the fl ush valve, the rubber piece
can be removed for cleaning or to be replaced.
To reinstall the fl ush valve, repeat these steps in reverse.
Ill. 2 Hold Down
Actuator
Adjusting the Water Level in the Tank
1) Follow the procedure to remove the fl ush valve,
then push down on the red tab in the right side
of the tank and pull on the fi ll valve assembly with
bracket.
NO TE: There is no need to remove the hose from
the fi ll valve.
2) Turn the adjustment screw clockwise to increase
the water level and counterclockwise to lower it.
3) Replace the fi ll valve and fl ush valve and open the
stop valve.
4) Check the water level and adjust as necessary
until it reaches 3/4" below the overfl ow tube.
Cleaning the Filter of the Fill Valve
1) Follow the procedure to remove the fl ush valve.
2) Unscrew the hose from the fi ll valve.
3) Use a needle nose plier to remove the fi lter from the inlet hole of the fi ll valve.
4) Rinse the fi lter under water and use a small brush to remove any debris that may be
on the fi lter screen.
5) Reverse the procedure to replace the fi ll valve.

SERVICING PROCEDURES

Bracket
Flush Valve
8
Ill. 1
Adjustment
Screw
3/4"