Kohler K-7344 Manual Del Usuario página 4

Install the Handle Assembly (cont.)
From underneath the sink, handtighten the nut onto the handle
assembly until secure.
With the handle still in the OFF position, line up the notch on the
valve body with the notch on the handle assembly, then slide
them together.
Fasten the valve body and the handle assembly together with two
thumb screws. Do not overtighten the thumb screws.
1217379-2-A 4 Kohler Co.