Maintenance Instructions; Water Level Adjustment - Toto CST746 Manuel D'installation

Refer to the water level (WL) setting marked
on the inner wall of the tank. Allow the water
to fill the tank. Turn the adjustment screw
clockwise in the (+) direction to increase the
water level height (see ill. 1). Turn the adjust-
ment screw counter-clockwise in the (-) direc-
tion to decrease the water level height. Flush
the toilet to verify the correct water level.
Adjust as necessary.
1) Turn off water supply and flush the toilet. Remove
the remaining water from tank with a sponge.
2) Remove the tank lid and place it upside down on a
clean surface.
3) Pull the clip on top of trip lever gear box as shown.
4) Pull gear box away and set on the side as shown.
(see ill. 1 & ill. 2)
5) Rotate and pull up on the flush tower to remove it.
(see ill. 3)
6) Remove the grey rubber seal gasket and rinse under
running water to clean. (see. ill. 4)
7) Place the gasket back on the flush tower.
8) Align and place the flush tower into housing and
gently press to snap and to lock into place.
9) Replace the trip lever gear box and push down on
lever to lock it in place.
10) Carefully install the tank lid back on the tank.
11) Flush the toilet several times making sure the trip
lever operates normally.
12) Check the water level in the tank and inspect for
signs of any leakage.
ill.2
MAINTENTANCE INSTRUCTIONS

Water Level Adjustment

Replacing the Flush Valve
ill.3
ill. 1
ill.1
ill.4
6
Top of
Overflow
Tube
Water
Level