Cummins/Onan — Cooling System Panel Removal
Maintenance · cooling system panels
From a Cummins/Onan service manual — check it applies to your exact model before use.
Browse Cummins/Onan generators & specs →
Before you start
- Do not run the genset without all covers in place.
Procedure
- Disconnect the starting battery, negative (-) cable first.
- Pry off trim strips and remove exposed Torx screws and the two top screws.
- Through the spark plug access opening, unhook the left-side spark plug lead and remove the panel.
- Remove the left and right side panels (five Torx screws and two capscrews each).
- Remove the end panel secured by four screws along its bottom edge.
Tools required
- Torx screwdriver Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.