Before you try to start an Engine with a Fuel Injection Pump that has sat a long time look up "Runaway Diesel or Runaway Engine" and learn an be prepared to stop the Engine in the event that the Fuel Rack Inside of the Fuel Injection Pump Sticks and the Engine Runs away on you.

If it is an IP with a hand primer you can use that to flush out the low pressure part of the IP with clean Diesel Fuel.

Ounce it is back on the Engine and you have primed the low pressure part of the IP system with the Hand Primer; without connecting up the Fuel Injection Hard Lines throw a Clean Rag over the top of the Fuel Injection Pump and crank the Engine until enough fue spurts out that you feel it has flushed any dirt or water out. (Do not put your hands or any part of your Body over the IP fuel outles or it will injec into you if you block them.)

Blow out the Fuel Injection Lines with compressed Air. Hook up the lines but do not tighten the nuts completely at the Injectors; crank until Fuel comes out of all and tighten the nuts and prepare to start.

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84 300D, 82 Volvo 244Gl Diesel