Kohler 728W Guide D'installation Et D'utilisation page 22

Adjust the Handle Assembly (cont.)
NOTE: The spline adapter allows fine adjustment of the handle
alignment.
Remove the valve stem adapter.
Reposition the spline adapter.
Reinstall the valve stem adapter and the handle assembly.
Check the alignment. Repeat this procedure until the handle
alignment is satisfactory.
1204800-2-A 6 Kohler Co.