I'd not try -- not only is it somewhat difficult to get the shims correct (there is a procedure in the old Chilton's manual, 68-73 MB), but you MUST get it properly installed or the governor will run away when you start it, blowing up the engine unless you manage to get out and get the injector lines off before the rods go -- it falls open to full throttle and the shutoff valve doesn't work since it is no longer attached. Not for the faint of heart, especially if it is not adjusted correctly now.

What you can do is loosen the bolts holding it on and check for oil in the vacuum side and fuel in the pump side -- if you have fuel in there, drain it all out and replace the 0-rings on the pressure valve holders, they are leaking. Oil if from excessive blowby or a bad blowby valve on the intake manifold. Liquid in the system causes it to act funny -- no power or hard starts.

Check for leaks in the hose and diaphram, too -- hose leaks can be fixed, but if the diaphram is leaking, it must be replaced.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!