Cummins/Onan — Coolant pump/alternator belt inspection
Maintenance
From a Cummins/Onan owner's manual covering: CFP15E, CFP23E, CFP30E, CFP50, CFP5E, CFP60E, CFP7E, CFP9E, CFP9E HHP. Check it applies to your exact model before use.
Applies to: Cummins/Onan CFP23E
Before you start
- Disconnect batteries (negative cable first) before service.
Procedure
- Place engine in MANUAL and disconnect both batteries (negative first).
- Remove belt guard capscrews and belt guard.
- Visually inspect belt for frayed, worn, missing pieces or intersecting cracks.
- Check belt tension using Cummins belt tension gauge 3822524 at center span.
- Reinstall battery cables (negative last).
Tools required
- Cummins belt tension gauge 3822524 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Full service-parts list: Cummins/Onan CFP23E →
Source: Cummins/Onan owner's 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.