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You would know if you had valve/piston interference -- the cam towers will break. Hard to miss the cam sticking up at a 20 degree angle...... That is what happened to my brothers 300D when the crank let go. Didn't bend any valves.
Most likely either your pump is 180 degrees out or you don't have fuel up there yet. It is is stiff to turn by hand, the compression is adequate if not good.
You can check for bent valves by making sure all the adjusters go up and down the same distance with the valve cover off.
Did you set the injection timing with a drip tube? If not, you will need to do so, or it is very likely you will not start. This will also tell you if the IP is 180 degrees out.
Make sure your hand pump is good, then bleed the fuel system -- crack the return line fitting on the fuel filter and pump until only fuel comes out, then bleed the pump -- there is a screw on top the will open and let you pump the air out.
Set the IP timing by the book -- fuel flow should stop with one drip a few seconds later at exactly 24 degrees before TDC on the compression stroke. This also, by the way, bleeds the pump nicely!
Make sure you don't have the banjo bolts reversed (inlet and outlet will fit the wrong hole, but you won't get any fuel to the IP).
When the IP if full, crack the injetion lines and the injectors and crank engine until no air comes out, only fuel. Messy, but speeds things up!
Make sure your glowplugs are working -- it won't start without them!
If you don't have white smoke, you don't have fuel delivery yet, if you get white smoke and it still won't start, something else is wrong!
Take the air cleaner off and have someone crank the engine by hand and listen for hissing -- if you get a distinct hissing on a compression stroke, you have a bent valve.
Best of luck, let us know how things go! It can take a while to get a diesel started again when you've had it apart!
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!
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