Cummins/Onan — Air Cleaner Element Replacement - Single Heavy Duty Dry-Type
Maintenance
From a Cummins/Onan owner's manual covering: K1800, K2000E, K38, K50, KT38, KTA38, KTA50, KTTA38, KTTA50, KtA38, KtA50, KttA38. Check it applies to your exact model before use.
Applies to: Cummins/Onan K38, Cummins/Onan K50, Cummins/Onan KTA38, Cummins/Onan KTA50, Cummins/Onan K38 and K50 engine
Before you start
- Holes, loose end seals, dented sealing surfaces and other damage require immediate element replacement.
- Pull the cover and element straight out to avoid damage.
Procedure
- Wipe dirt from the cover and upper portion of the air cleaner before disassembly.
- Loosen the wing bolt and band clamp securing the dust pan.
- Loosen the wing nut and remove the dust shield from the dust pan. Clean the dust pan and shield.
- Remove the wing nut securing the primary element and inspect the rubber sealing washer.
- Remove the dirty cleaner element and install the new primary element.
- Make sure the rubber sealing washer is in place under the wing nut before tightening.
- Assemble the dust shield and dust pan and secure with the band clamp.
Specs & values
- Replace the element if inlet restriction at full power exceeds 25 inches of water
Full service-parts list: Cummins/Onan K38 →, Cummins/Onan K50 →, 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.