Kohler K-307 Manual Del Usuario página 6

Adjust the Water Temperature (cont.)
Turn the indexer, disc, valve stem clockwise until the desired
cooler water temperature is achieved. Reinstall the indexer and
disc to the valve, making sure the disc is snapped fully into the
indexer.
Turn off the water. Reinstall the cap escutcheon and handle.
1015917-2-D 6 Kohler Co.