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Home›Repair guides›Checking Oil Level Switch Continuity

Cummins/Onan — Checking Oil Level Switch Continuity

For these Cummins/Onan models: 2400, 3500.

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Procedure

  1. Hold the switch in its normal position. The ohmmeter should read zero resistance.
  2. Hold the switch upside down. The ohmmeter should read infinity resistance.
  3. Inspect the float by dipping the switch into a container of oil. The ohmmeter reading should go from zero to infinity as the switch is lowered.

Tools required

  • Ohmmeter

Source: manual:914-0500 Onan 2EGMBB 2.5EGMBG HomeSite Portable Genset Service manual (03-2006).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.