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I called Ambac an ordered it along with some extra parts. I was only able to use two of the o-rings and one copper washer out of the kit. There is a big fat flat o-ring in the housing that I reused.

It lives again Well I installed the rebuilt IP today, after bleeding the lines and preheating the glow plugs she fire right up. The engine purred just like a kitten with no smoke at all. Got 122.7 volts at courtesy plug and 26.7 volts at the battery's. She was putting out 40 psi of oil...

A friend and I rebuilt the injector pump tonight, took about 4 hours. The dog bone looking part was broke and the plunger was stuck. Cleaned all the parts added new o-rings and put it back together. Hardest part was putting the retaning clips back on the spring retainer. Will put on genset...

I got a spare pump already just incase. Just putting that info out for others to know. I hope I will not need a head assy. Thanks

I have a friend who is going to watch me take the pump apart and clean it. We will just be rebuilding the old pump with new o-rings and such. The folks at AMBAC told me the head assy was a 4 month lead time and 850.00 if needed. Thanks for all the help!

Parts kit arrived yesterday from the nice lady at AMBAC, will be pulling the pump down for a rebuild shortly. Thanks for all the help

The weather cooled off a little today, so I went to work on the 2A. Took the hex nut off the pump and pulled the DV out. I turned the engine over by hand and the plunger would move out but I would have too tap back in with hammer and drift. Seems like the spring is not strong enough to push it...

So would that mean reset to zero time? Or just adjusted into spec. Thanks for your help

Did not see this TAG earlier, was this for paint or gen rebuild?

I will check this hose, and also will have the pump check by a friend. But I am getting fuel up to the pump. Thanks for the hose info and all your help.

OK I checked every thing that I was told to check, the shut-off is working and the lever is free and follows the solenoid up. Getting about 30 psi while cranking. Still not getting any fuel through the pump. I have seen the plunger stick in M-100 heads of the same design, would it help to clean...

I will look into all suggestions, but I think my fuel shut-off quite working now.

Got my 2A home, changed oil and fuel filters, cleaned fuel pumps. I am getting fuel all the way up to the injector pump inlet. I cracked the line on the front injector but am getting no fuel. Would the problem be the delivery valve stuck on the pump under the big hex nut? Unit was turned in...