Toto CST646F - Servicing the Flush Valve; Flush Valve Disassembly and Cleaning

9
ENGLISH
SERVICING THE FLUSH VALVE
1. Turn off water supply and flush the toilet.
2. Remove the tank lid and place it upside down on a clean surface.
3. Note the orientation of the flush valve for reassembly.
4. Turn the upper half of flush valve counter-clockwise and pull it up to
remove it (see Ill. 1).
5. Remove the rubber seal gasket and rinse under running water to clean
(see Ill. 2).
6. Place the gasket back on the flush valve (see Ill. 3).
7. Install the flush valve back on the base.
8. Rotate the flush valve so that the partial flush button is on the right and
the full flush button is on the left.
9. Carefully, install the tank lid back on the tank.
10. Flush the toilet several times using each push button to verify proper
operation. Check for leakage.
Ill. 2
Ill. 3
Ill. 1