Assume the following:
1. Timing is set correctly at 24 degrees before TDC
2. The drip tube is properly installed on the #1 injector delivery valve fitting.
3. The crankshaft is set at 60 degrees BTDC.

As the crankshaft is turned from the 60 degree BTDC (towards TDC) position, what sequence of events do you expect to see at the drip tube?

assuming that you took the little spring and seal out of the delivery valve and you are pumping the primer until you have a constant, peeing stream at the end of the tube, you should see this continue as you turn the crank very slowly until it suddenly changes to a slow drip. You suddenly stop turning the crank and look at the timing mark, which is at 24 degrees.

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'82 300SD - 361K mi - "Blue"

"Good judgement comes from experience. Experience comes from bad judgement."

listen, look, .........and duck.

Thanks, Pete. That answered my question. It was not what I was expecting to happen, but that's exactly what I saw.

Except that my timing was a bit retarded. So I set the crank at 24 degrees BTDC. Then advanced the IP until there was no flow. Then retarded it until I go the slow (one drip per second) drip. Did I get it right?

sounds it.

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'82 300SD - 361K mi - "Blue"

"Good judgement comes from experience. Experience comes from bad judgement."

listen, look, .........and duck.

but on the Interstate it runs as fast as I ever care to drive and if the flow of traffic is 85 or even 90, the SD just does like a race horse does when the rider gives the horse a little kick; it just keep getting up. The car is amazing! On any of my other cars in the past, if that much smoke came out of the oil filler entry like on this car, the car would have blown up as a result of the rods turning loose and allowing the pistons to enter the oil pan and leave me stranded, like my Ford 302 turned loose and it didn't have smoke coming from the oil filler entry, just a noticeable ticking at the lifters.

BenzDiesel

Okay, thanks.

FWIW, I filled the fuel tank to the brim and drove the rear wheels up on a pair of 2x8 boards. That was enough to get plenty of fuel flow without the need to use the priming pump. The disadvantage was that sometimes I got flow that I did not need.

Tangofox007 i am going to ride in on the back of this. So the diesel is coming out in a stream, then at start of delivery the stream goes to a drip and then to noting and after a few more turns the stream comes back on, is this correct?
is this correct.

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1979 300D.

What exactly do you mean by "a few more turns?" On a four stroke engine, the sequence of events is completed, then begins to repeat itself, after two complete crankshaft rotations. So any event that occurs will occur again after 720 degrees of rotation.