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Re: Injection pump question

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12-24-2012 12:06:58

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The tractor runs, so nothing has snapped inside the injection pump.

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12-24-2012 12:19:57

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 Re: Injection pump question in reply to mmdiesel, 12-24-2012 12:06:58  
Are you talking about rhe transfer pump gear? If so it has c-clip and a key.

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12-24-2012 13:04:08

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 Re: Injection pump question in reply to molinegb, 12-24-2012 12:19:57  
Yes, the little transfer pump. I will try your suggestion next I work on the tractor. I ran out of time yesterday. It will soon freeze in Texas, and i was wanting to put antifreeze in it. Instead I just drained the water. I just got the tractor last Monday, and it seems to have been neglected in many ways. Thanks

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12-24-2012 13:20:22

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 Re: Injection pump question in reply to mmdiesel, 12-24-2012 13:04:08  
There is a small special key. It is a square key with a pin that connects into shaft. I usually remove gear,clip and key to prime. If you put a cordless drill on shaft it is easy to prime rather than cranking motor over.

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12-24-2012 14:55:25

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 Re: Injection pump question in reply to molinegb, 12-24-2012 13:20:22  
This is starting to make more sense to me now. I turned and turned that little gear yesterday, and got no results. I realized I had the fuel valve closed. Once I opened the valve, I had plenty of fuel. We pull started the tractor, but it took about 1/2 mile (in road gear). That did not seem right. My other tractors start in about 15 feet. Do I have a pump problem, injector problems, or engine compression problems?

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12-24-2012 15:21:24

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 Re: Injection pump question in reply to mmdiesel, 12-24-2012 14:55:25  
First two filters gravity flow. Third has to be pressurized through pump with transfer pump. I think is runs CCW.If third filter not full with no airlocks it will not run. The pump plunger achieves the pressure and side gear setup rotates plunger gear to distribute to injectors.

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