Cummins/Onan — Change Fuel Filter Element - Replaceable Element
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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Procedure
- Open drain cock(s) and drain contents.
- Loosen nut(s) at top of fuel filter(s); remove dirty element and clean filter case(s).
- Install new gasket(s), element(s); tighten center bolt(s) to 20 to 25 ft-lbs.
- Fill filter case(s) with clean fuel.
- Check fittings in filter head(s) for leaks; tighten to 30 to 40 ft-lbs.
Tools required
- Torque wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Center bolt 20 to 25 ft-lbs [27 to 34 N-m]
- Filter head fittings 30 to 40 ft-lbs [41 to 54 N-m]
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.