Replacing The Fill Valve; Adjusting The Water Level - Toto CST646F Manuel D'installation Et D'utilisation

1. Shut off the water supply. Flush the toilet
and remove any remaining water from the
tank. Reverse the tank installation instruc-
tions to remove it from the bowl. Remove
the old fill valve.
2. Install new fill valve by sliding the thread-
ed portion of the shaft through the hole in
the bottom of tank.
3. Thread mounting nut onto exposed shaft
under the tank and tighten nut.
⚠CAUTION
Do not over-tighten.
4. Connect the water supply (see Ill. 8). Pipe
dope is not recommended. Attach the
refill tube to the valve and clip the other
end to the overflow pipe.
Refer to the water level line stamp inside the
tank.
1. The water level adjustment is located
in the top end of the fill valve. Use
a flathead screwdriver to make
adjustments:
• To raise the water level: turn the
screwdriver clockwise, or towards
the '+' indicator.
• To lower the water level: turn the
screwdriver counter-clockwise, or
towards the '-' indicator.
2. Flush after each adjustment to check
the water level. When satisfied with the
water level, flush once more to verify.

REPLACING THE FILL VALVE

ADJUSTING THE WATER LEVEL

Ill. 8
Ill. 9
7
Washer
Nut
Cone seal
Coupling nut
Flexible hose
water level adjuster