Kohler — Verify Interlock System Operation
Testing & diagnosis
From a Kohler service manual — check it applies to your exact model before use.
Applies to: Kohler LH775 engine
Before you start
- Do not disconnect safety switches.
Procedure
- Sit on operator seat, engage parking brake, move transmission lever to NEUTRAL or PARK, hydraulic lift lever neutral.
- Without depressing brake pedal, rotate ignition switch to START.
- If engine cranks or starts, there is a malfunction that must be repaired.
- For lift lever interlock: move hydraulic lift lever out of neutral, depress brake pedal and rotate ignition to START.
- If engine cranks or starts, there is a malfunction that must be repaired.
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.