Cummins/Onan CFP5E / CFP7E — Coolant Pump/Alternator Belt Replacement
Repair & overhaul
For the Cummins/Onan CFP5E / CFP7E, from the Cummins/Onan owner's manual.
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Before you start
- Do not roll belt over pulley or pry it on.
Procedure
- Remove belt guard.
- Use 3/8 inch drive ratchet or breaker bar to rotate tensioner arm away from belt.
- Remove belt.
- Check belt tensioner cap screw torque; torque to 43 N-m (32 ft-lb).
- Check tensioner arm, pulley, and stops for cracks; replace tensioner if cracked.
- Install replacement drive belt with tensioner arm moved away.
- Check belt is centered on tensioner pulley.
- Reinstall belt guard.
Tools required
- 3/8 inch drive ratchet or breaker bar Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Tensioner cap screw: 43 N-m (32 ft-lb)
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.