Cummins/Onan — Removing / Installing Genset
Repair & overhaul · genset skid-base
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKB
Before you start
- Gensets are heavy and can cause severe personal injury if dropped during removal
Procedure
- Disconnect the negative (-) battery cable from the battery
- Disconnect the battery cables from the genset
- Disconnect the remote control wiring harness connector at the genset
- Disconnect the AC output leads at the genset terminals
- Disconnect the exhaust tailpipe from the muffler flange
- Disconnect the supply and return fuel lines from the genset
- Lift the genset with both lifting eyes using a hoist
- Install using four Grade 5 screws (3/8-16 UNC) torqued to 35 lb-ft (41 N-m)
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Four Grade 5 screws 3/8-16 UNC
- Torque 35 lb-ft (41 N-m)
- Screws protrude 1/2 to 1 inch (10 to 25 mm) into base
Full service-parts list: Cummins/Onan HDKB →
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.