Allis-Chalmers 3500 MK II / SOOMKII 1.5 — Priming the Low Pressure Fuel System
Maintenance
For the Allis-Chalmers 3500 MK II / SOOMKII 1.5, from the Allis-Chalmers owner's manual.
Applies to: Allis-Chalmers 3500 MKII engine
Procedure
- Ensure all plugs and line fittings are tight.
- Loosen the injection pump end of the fuel supply tube between hand primer pump and injection pump.
- Make certain there is fuel in the tank and the tank shutoff valve is open.
- Loosen locking screw on hand primer pump plunger and move clamp aside.
- Move primer plunger back and forth to fill filter with fuel and expel air.
- When fuel flow at line nut is free of air bubbles, tighten nut securely.
- Reposition primer pump plunger clamp and retighten locking screw.
Full service-parts list: Allis-Chalmers 3500 MKII engine →
Source: Allis-Chalmers 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.