Kohler Single-Control bath and Shower Trim K-T16116 - Manual (Page 10)

Install the Faceplate and Handle (cont.)
Align the handle and the base assembly. Press the handle onto the
valve stem.
Secure the handle in place with the setscrew. Tighten the setscrew
to one quarter-turn past hand-tight.
6. Complete the Installation
Turn the valve fully counterclockwise to the off position.
Remove the aerator assembly from the spout by turning it
counterclockwise.
Turn on the main water supply.
Turn the valve to the center and run water for approximately one
minute to flush the system.
Check all connections for leaks.
Reinstall the aerator.
1025255-2-C 10 Kohler Co.