P-Pump on an old style 532 April 01, 2009 09:07AM
Ok guys i need some help. I have a 5010 with a 531 block that i am looking to put a p-pump on. The block originally had a roosamaster on it,and i need a way to bore the pump shaft hole out from 1 1/4 inches out to 3 3/4 inches without removing the block from the tractor. any help would be greatly apreciated.

Dustin Elder
Elderly Deere Pulling Team
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Get a 619 April 01, 2009 12:22PM
Save yourself alot of time and money and get a 619.
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Re: Get a 619 April 01, 2009 01:42PM
guess i should have mentioned, 531 ci limit
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Re: P-Pump on an old style 532 April 01, 2009 02:25PM
Thinking out loud...

Take the head off a boring or milling machine & figure out a way to bolt it to the front of the engine. That's probably as much work as pulling the block & stripping it down though...

I think I recall seeing 'portable mills' in a trade magazine once designed for repairing machine equipment in place. If you have any friends in machinery maintanance you could check with them.
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Re: P-Pump on an old style 532 April 02, 2009 11:31AM
take a big handgrinder and grind block smooth. use a small strait edge to do this. then get a hole saw with a center bit to pilot off of of the old hole. I did this years ago to save money. Oh I also had to use a spacer between the block and pump to get the pump gear to line up.

660-238-7628 if you need more help
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Re: P-Pump on an old style 532 April 05, 2009 08:11AM
We mounted the pump today. used 1/2 inch plywood for a temporary spacer. thanks for everyone's help
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