Kohler K-3399 Homeowner's Manual page 10

Fill Valve
Riser
Coupling
Fill Valve
Assembly
Hush Tube
6. Remove Fill Valve Components
Remove the Fill Valve Assembly Leaving Fill Valve Riser in Place
Perform the following steps in order to remove only the fill valve
assembly:
Shut off the water supply.
Open the circuit breaker for the toilet.
Using the supplied wrench, turn the locknut in order to release
the hook and remove the tank cover.
Remove the refill tube from the fill valve assembly.
Grasp the blue coupling at the riser and turn it counterclockwise
1/8 turn.
Gently pull the fill valve assembly clear of the coupling.
Remove the Fill Valve Assembly Including the Fill Valve Riser
Perform the following steps to remove the fill valve including the riser
and hush tube:
Shut off the water supply.
Open the toilet's circuit breaker.
Using the supplied wrench, turn the locknut in order to release
the hook and remove the tank cover.
Remove the refill tube from the fill valve assembly.
114950-5-A
Fill Valve
Riser
Hush Tube
Refill
Tube
Washer
Nut
Washer
Nut
10
Coupling
Refill
Tube
Fill Valve
Assembly
Kohler Co.