Cummins/Onan — Crankcase Breather Service (P224)
Repair & overhaul · engine
From a Cummins/Onan operator's manual covering: P216, P218, P220, P224. Check it applies to your exact model before use.
Applies to: Cummins/Onan P216, Cummins/Onan P218, Cummins/Onan P220
Before you start
- Parts cleaning solvents are flammable
Procedure
- Remove hose clamp and breather hose from cap and valve assembly
- Loosen clamp and remove cap and valve assembly, wash in solvent
- Replace cap and valve assembly if balls do not move freely after washing
- Remove screen and pack and wash pack in solvent
- Install pack in breather tube and position screen
- Install cap and valve, tighten clamp, attach breather hose and clamp
Full service-parts list: Cummins/Onan P216 →, Cummins/Onan P218 →, Cummins/Onan P220 →
Source: Cummins/Onan operator'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.