Re: 1550 Oliver Diesel Update

Posted by JD Seller on May 28, 2013 at 17:33:59 from (208.126.196.144):

In Reply to: 1550 Oliver Diesel Update posted by Banditfarmer on May 28, 2013 at 17:00:13:

Bandit it sure sounds like the dampening ring. The rubber is plugging up the internal ports in the injection pump. When you took the line off the top you flushed out some chunks and then it ran until some more plugged something else up.

Part number 17 is what is falling apart. I no longer put them back in the pump. I replace the governor weight cage with a new designed one that does not use the dampening ring.

I wish you where closer. The gasket kit is about $35 and the new steel weight cage is about $40. So then it takes me about 2-3 hours to take it apart, clean it all up and reassemble it. Usually the total bill is $150-200.

If you could live without it for a week to send it to me I could do it ASAP and send it back. It is too bad it happened right in planting season.

There is a fellow at Georgetown Ohio that used to work on them. I do not know if he still does any work on them or not. He was a big tractor puller and then switched to 2wd trucks ten years ago or so.

If you email me I can give you his name and phone number. Maybe you can get him to do a quick job on it.

Here is the kick in the pants on these Rossa-Master pumps. The re-builders tell you that they need to reset the fuel delivery on their test stand. THAT IS BS. The settings on a Rossa-Master pump are all mechanical. So if the pump you take apart was never changed from factory Specs, and does not have piston wear, then when you clean it all out, never move the retaining clip, and put the pistons back into their original bores. The pump will be VERY close to where it was when it was built.

I proved it to a re-builder buddy of mine. We took a good working pump and ran it on his stand. We recorded all the pump output data. I took it apart right on his bench and put a new kit in it and put it back together. We then ran it again on his stand. It was back to within 2% of where it was before. He told me that his stand may not repeat much closer than that.

So on a tractor that is 30-40 years old and gets used in light work an may only be worth $5-6K You can't spend $1000 on a fancy injection pump job. The rest of the engine is not that new. LOL

Let me know if I can be of any help.



This post was edited by JD Seller at 18:12:11 05/28/13.

Replies:

• Re: 1550 Oliver Diesel Update Banditfarmer 19:16:07 05/28/13 (0)

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