I don't know if there is room for it on your Engine but it is common to fill spin on filters with clean diesel fuel before you install them. That helps shorten the time the Fuel gets into the Fuel injection pump.

Assuming you already got air into the Fuel Injection Hard Lined loosen the line nuts at the Injectors and when you crank that will allow the air to escape fast and easily and tighten the nuts when you see fuel coming out of them regularly.

If you have another vehicle use your jumper cables to connect the 2 batteries and keep the other vehicle running while you crank.

Some people have suggested raising the rear of the vehicle so the fuel from the tank is going down hill to the Fuel Supply/Lift Pump but that was not for your specific vehicle.

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84 300D, 82 Volvo 244Gl Diesel