Cummins/Onan — Oil Bath Air Cleaner Service
Maintenance
From a Cummins/Onan operator's manual — check it applies to your exact model before use.
Applies to: Cummins/Onan EC series
Before you start
- Be sure air cleaner is properly reinstalled before running.
Procedure
- Remove air cleaner from carburetor.
- Disassemble top section from cup section; pour out dirty oil.
- Clean reservoir cup and filter element with solvent; allow to dry.
- Refill cup to indicated level with clean oil same SAE as crankcase.
- Reassemble cleaner.
- Reinstall on carburetor; tighten enough to prevent air leak.
Tools required
- solvent Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Fill reservoir to line indicated on cup
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.