Re: Deisel injector pump

Posted by Farmall Frank on July 12, 2005 at 06:08:58 from (65.30.125.135):

In Reply to: Deisel injector pump posted by Richard Fazio on July 11, 2005 at 17:43:38:

The following is an assumption that the M is similar to my 400D.

I took the primary pump off my 400D about 2 weeks ago to replace the shaft seal, which was leaking into the injector pump. The whole effort was fairly easy. The mentioned cover has a very thin gasket under it, so that the gearing can be close and personal with the cover. I used some 1/128" thin stuff I got from a gasket supplier.

The only hard thing was mating the primary back to the injector pump --- you need two gaskets, one that fits unside and one outside the structure. They both need to seal at the same time when you bolt the primary back to the injector pump. I had a bit of difficulty there as it seems the internal gasket is thicker than the external one, at least it was that way on mine. I tried various combinations of gaskets until I got one to work. It works great now.

Also, I had a bad pressure gauge. I replaced it and had plenty of pressure. You might have the same problem.

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