Cummins/Onan — Disconnecting Set from RV Systems
Installation · generator set
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan NHEL
Before you start
- Sparks and high current could cause fire.
Procedure
- Disconnect negative battery cable at battery.
- Disconnect battery cables from genset.
- Disconnect remote control harness connector at genset.
- Disconnect generator output wiring and conduit.
- Disconnect exhaust tailpipe and remove muffler.
- Disconnect fuel line; plug gasoline line or purge LPG.
Tools required
- wrenches Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Cummins/Onan NHEL →
Source: Cummins/Onan 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.