Cummins/Onan — Clean/Change Crankcase Breather — Mesh Element
Maintenance
From a Cummins/Onan owner's manual covering: KT38, KTA19, Kt19, KtA38, KtA50, N-855, NH-672, NH-743, NH-855, NT-855, NTA-855, NTC-270…. Check it applies to your exact model before use.
Applies to: Cummins/Onan Kt19, Cummins/Onan KTA38, Cummins/Onan KTA50
Procedure
- Remove the wing nut, flatwasher and rubber washer securing the cover to the breather body.
- Lift off the cover and lift out the breather element, vapor element and gasket.
- Clean all metal and rubber parts in an approved cleaning solvent; dry thoroughly with compressed air.
- Inspect the rubber gasket, body and cover; replace or discard unserviceable parts.
- Install a cleaned or new breather element and cleaned vapor element to the breather body.
- Install the rubber gasket in the cover and position the cover assembly to the body.
- Install the rubber washer, flatwasher and wing nut and tighten securely.
Full service-parts list: Cummins/Onan Kt19 →, Cummins/Onan KTA38 →, Cummins/Onan KTA50 →
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.