Cummins/Onan — Rotor Disassembly
Repair & overhaul · Rotor assembly
From a Cummins/Onan service manual — check it applies to your exact model before use.
Applies to: Cummins/Onan HDKA
Before you start
- The end bearing will be damaged if pulled on the outer race.
Procedure
- Place the rotor assembly on a wood block in the horizontal position with drive disc and fan not resting on anything.
- Remove the six bolts holding the drive disk and fan to the rotor hub; remove the drive disk and fan.
- Use a gear puller to remove the end bearing from the rotor shaft.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Drive disk to hub bolts torque 25-29 N-m when replacing
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.