Kohler K-T15231 Guia De Instalacion página 5

Install the Spout (cont.)
Apply a bead of plumbers putty or other sealant around the inlet
end of the spout according to the manufacturer's instructions.
Install the spout and carefully retighten the setscrew. Do not
overtighten the setscrew.
Remove all excess putty.
Kohler Co. 5 1010463-2-B