Kohler — Oil Sentry Pressure Switch Testing
Testing & diagnosis · Lubrication System
From a Kohler service manual covering: CV682, CV732, CV742, CV752. Check it applies to your exact model before use.
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Procedure
- Connect continuity tester across blade terminal and metal case of switch.
- With 0 psi applied, note continuity/non-continuity per switch type.
- Gradually increase pressure through range of 2-5 psi; tester should indicate a change of state.
- Switch should remain in state as pressure is increased to 90 psi maximum.
- Gradually decrease pressure through range of 2-5 psi; tester should indicate a change back down to 0 psi.
- Replace switch if it does not operate as specified.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Switch actuation range 2-5 psi; maximum 90 psi
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.