Kohler K-377 Guide D'installation page 4

Install the Handspray (cont.)
Hand tighten the spray holder nut from under the sink.
If applicable, remove any excess plumbers putty.
Insert the handspray hose through the spray holder.
Attach the handspray hose to the shank tee.
Wrench tighten the spray holder nut.
1004636-2-E 4 Kohler Co.