Kohler 1237791-2-G Installation And Care Manual page 18

Screw
Stem
Extension
Valve
2. Install the Handles
NOTE: If the handle assembly does not reach the finished deck
when it is fully tightened, replace the long stem extensions with the
short plastic extensions.
Install a long stem extension onto each valve.
Secure the stem extensions with the provided screws.
Close the valves (hot = clockwise, cold = counterclockwise).
Thread a handle assembly onto each valve.
Confirm that the splines on the stem extension and skirt are
engaged.
Orient the handles so they point away from the spout.
Adjust the handles so the levers point away from the spout when
closed.
To adjust the alignment, remove the handle assembly and
reposition the stem extension on the stem.
Reinstall the handle assembly.
Repeat until the desired alignment is achieved.
1009676-2-B
Handle
Valve
Body
Stem
Extension
4 Kohler Co.