Cummins/Onan — Rotor Bearing Replacement
Repair & overhaul · Generator rotor end bearing
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKA
Before you start
- Do not pull on the outer race; replace a removed bearing.
Procedure
- Clean the bearing and shaft mating surfaces.
- Apply Loctite #680 adhesive to the shaft mating surface.
- Apply Loctite #747 activator to the bearing mating surface.
- Install the bearing.
- Allow ten minutes curing time before handling the assembly.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Allow ten minutes curing time
Full service-parts list: Cummins/Onan HDKA →
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.