Cummins/Onan P218 / P220 — Foam Wrapper Maintenance
Maintenance · Air cleaner foam wrapper
For the Cummins/Onan P218 / P220, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan P218, Cummins/Onan P220
Before you start
- Failure to adequately wring out excess oil may cause a drop in engine power due to restriction of inlet air.
Procedure
- Do not remove the inner air cleaner cover when servicing the foam wrapper only.
- Remove and wash the foam wrapper in water and detergent.
- Squeeze the foam wrapper dry like a sponge, rinse with clean water, and allow to dry.
- Coat wrapper evenly with one tablespoon (14 grams) of SAE 30 engine oil; knead in and wring out excess.
- Install the foam wrapper over the paper element by stretching it over the inner cover, covering all exposed paper pleats.
- Replace the foam wrapper when it becomes torn or stretched.
Specs & values
- One tablespoon (14 grams) of SAE 30 engine oil
Full service-parts list: 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.