Cummins/Onan CFP5E / CFP7E — Turbocharger Inspection

Maintenance

For the Cummins/Onan CFP5E / CFP7E, from the Cummins/Onan owner's manual.

Browse Cummins/Onan generators & specs →

Procedure

1. Visually inspect air intake filter and piping.
2. Check filter service indicator has not popped up.
3. Check for corrosion under clamps and hoses.
4. Remove air intake and exhaust piping.
5. Remove exhaust pipe from turbocharger.
6. Inspect compressor wheel for cracks, missing blades, binding, eccentric motion, end-play.
7. Replace turbocharger if damage found.
8. Reinstall air intake filter and exhaust piping; torque clamps to 8 N-m (72 in-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.

More Cummins/Onan repair guides →