Kohler K-3393 - Manual (Page 9)

Removing 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.
Unplug the electrical plug for the toilet from the outlet.
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:
Shut off the water supply.
Unplug the electrical plug for the toilet from the outlet.
Remove the tank cover.
Remove the refill tube from the fill valve assembly.
Remove the supply tubing, supply nut, washer, and locknut from
below the tank.
Tube
Coupling
Fill Valve
Assembly
Refill
Tube
Fill Valve
Riser
Tube
Fill Valve
Assembly
Refill
Tube
Fill Valve
Riser
Coupling
Kohler Co. 9 1057478-5-C