Home›Repair guides›Kohler›Preheat Feature Operation

Kohler — Preheat Feature Operation

Operation · Preheater

From a Kohler service manual covering: 10RMOY, 15RMOY, 15RMY, 15ROY, 17.5ROY, 22.5ROZ, 22.5RZ, 24ROZ, 32.5ROZ, 32.5RZ, 47.5ROZ. Check it applies to your exact model before use.

Applies to: Kohler 15RMY, Kohler 15ROY, Kohler 17.5ROY, Kohler 22.5ROZ, Kohler 22.5RZ, Kohler 24ROZ, Kohler 32.5ROZ, Kohler 32.5RZ, Kohler 47.5ROZ

Before you start

  • Do not operate preheater on an unprimed engine; excessive heat will permanently distort the bi-metallic element and destroy the preheater.

Procedure

  1. Use preheater if temperature is below 40°F (3°-4°C) and engine turns over rapidly, exhausts white smoke but does not start.
  2. Depress preheat switch for 15-20 seconds, then release.
  3. Initiate starting procedure.

Specs & values

Full service-parts list: Kohler 15RMY →, Kohler 15ROY →, Kohler 17.5ROY →, Kohler 22.5ROZ →, Kohler 22.5RZ →, Kohler 24ROZ →, Kohler 32.5ROZ →, Kohler 32.5RZ →, Kohler 47.5ROZ →

Source: Kohler service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

More Kohler repair guides →