Cummins/Onan 1400 / 2.0UF-232S/32 — Testing the Armature for a Grounded Circuit
Testing & diagnosis · Armature / commutator
For the Cummins/Onan 1400 / 2.0UF-232S/32, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan 1400
Procedure
- Use an ohmmeter and test prods.
- Place one test prod on the commutator and the other prod on a bare clean part of the generator frame or armature shaft.
- The prods must make good electrical contact.
- If the ohmmeter shows continuity, the armature is grounded.
- Replace a grounded armature with a new one.
Tools required
- Ohmmeter and test prods Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Cummins/Onan 1400 →
Source: Cummins/Onan operator's 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.