Cummins/Onan 5.5 NH / 6.5 NH — Air Cleaner Service — Polyband Filter (Contractor's Model)
Maintenance
For the Cummins/Onan 5.5 NH / 6.5 NH, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan NH engine
Before you start
- Air cleaner element has been UL tested for fire control and should never be cleaned by immersing in a liquid.
Procedure
- Wash the polyband filter in water and detergent.
- Squeeze dry like a sponge and allow to dry.
- Coat evenly with three tablespoons (44 ml) of SAE 30 engine oil.
- Knead into and wring excess oil from the precleaner.
- Reinstall over the paper cartridge.
Specs & values
- Three tablespoons (44 ml) SAE 30 engine oil
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.