Cummins/Onan M-1600-2 — Cleaning Liquid LPG Fuel Filter
Maintenance
For the Cummins/Onan M-1600-2, from the Cummins/Onan operator's manual.
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Before you start
- Kerosene presents hazard of fire or explosion
- Check filter for leaks with soap and water solution after pressurizing
Procedure
- Remove four capscrews and lock washers securing filter bowl to filter body
- Separate filter bowl from filter body and discard the O-ring seal
- Remove nut and washer from center stud and pull out filter element
- If clogged, wash element in kerosene and blow dry with low pressure (30 psi or 207 kPa) air; replace if damaged
- Wipe center stud magnet clean of rust or scale particles
- Install clean filter element using new gaskets (2) and tighten center stud nut
- Place new O-ring in filter bowl sealing groove
- Align reference marks and install capscrews; tighten to 56 to 74 in. Ib. (6.5 to 8.3 N·m) torque; check for leaks
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Tighten capscrews 56 to 74 in. Ib. (6.5 to 8.3 N·m)
- Blow dry with 30 psi or 207 kPa compressed air
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.