Kohler K-110 Instructions D'installation page 13

Bonnet
Stem
Extension
Open
Close
Shown in Closed Position
10. Oval Handle Installation
Verify that the valves are in the closed position.
NOTICE: Risk of product damage. Do not overtighten.
Overtightening will damage the handle.
Insert the stem screw into the stem extension and tighten with a
screwdriver.
Place the ceramic insert into the oval handle.
Secure the insert with the handle screw. Do not overtighten.
Loosen the setscrew.
Position the handle assembly on the stem extension.
Verify that the handle is in an even horizontal position. If needed,
remove the handle and adjust its position on the splines of the
stem extension until horizontal. For fine adjustment, pull out the
stem extension until it disengages from the valve, rotate, and
return it to its original position. Do not pull the stem extension
completely out.
Tighten the setscrew.
Repeat for the other handle.
Kohler Co.
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Setscrew
Stem
Oval
Screw
Handle
Ceramic
Handle
Insert
Screw
Hot Cold
Open
Close
13 1008209-2-G