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Home›Repair guides›BLEEDING FUEL SYSTEM

Cummins/Onan 20W-20 — BLEEDING FUEL SYSTEM

For the Cummins/Onan 20W-20.

Applies to: Cummins Onan 20W 20

Before you start

  • to the life

Procedure

  1. Remove gear cover and oil base. (See ENGINE DISASSEMBLY.
  2. Unscrew intake cup from pump.
  3. Remove crankshaft lock ring and gear-retaining washer.
  4. Loosen two cap screws holding pump and remove pump. Repair Except for the gaskets, component parts of the pump

Specs & torque values

  • 25
  • 20

Source: manual:974-0251 Onan RDJF Engine Service and Parts Manual (3-1980).pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.