Cummins/Onan — Change Spin-On Lubricating Oil Filter Elements
Maintenance
From a Cummins/Onan operator's manual covering: KT-1150, KT-1150-C450, KT-1150-P450, KT-2300, KT-2300-C900, KT-2300-P900, KTA-1150, KTA-1150-C525, KTA-1150-C600, KTA-1150-P600, KTA-2300, KTA-2300-C1050…. Check it applies to your exact model before use.
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Before you start
- Mechanical tightening may distort threads or damage filter element seals.
- Always allow oil to drain back to oil pan (15 minutes) before checking level.
Procedure
- Unscrew combination case and element, discard elements.
- Check torque of adapter mounting capscrew (25 to 35 ft-lbs).
- Fill elements with lubricating oil.
- Position element to filter head; tighten by hand until seal touches head, then an additional one-half to three-fourths turn.
- Run engine, check for leaks, recheck oil level and add oil to 'H' mark.
Specs & values
- Adapter mounting capscrew 25 to 35 ft-lbs [34 to 47 N-m]
- Additional tightening one-half to three-fourths turn after seal contact
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.