Common engine problems with 1939 D2?


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Posted by Peter on Thursday, June 28, 2007:

Disclaimer: This is the first piece of equipment I have ever worked on.

Here is what I have…

1939 D2 3J 3624-SP

It ran ok about four years ago before the owner split it to replace the clutches. The repair took him about three years of dinking around while it was stored in a barn. He completed the clutch replacement about a year ago, then discovered that the crawler would not run on all cylinders (seems to only be running on 1 or 2)

What should I look for? Keep it in mind that the only Diesel engine I have worked on is the Cummins that is in my pickup.

1) Should I pull and clean the injectors?
2) Is the injector pump simple enough that it would be wise for me to pull it apart to clean / inspect it?
3) How do I go about doing a compression test on a diesel engine?
4) Who is knowledgeable and reasonable with parts?

I have a local guy lined up to repair the engine, but I figured that it may be worth a shot to try to at least diagnose the problem myself.

I’m going to pick up the D2 on Saturday the 30th.

Thanks guys!
Peter



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