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550 oil pressure relief valve

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Dennis

08-01-2000 22:07:51




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I didn't find the relef valve on the right side around the oil filter; I didn't find in or around the oil pump. By the way, the oil pump looks great on the inside. I even verified it's operation by hand. I didn't have time to check out the other possible location near the front. A lot of the main bearings are shot; Some had been running hot. Let's do a little research on this tractor to make sure it's what it's supposed to be. Maybe one of you can check out these numbers: Spec # 45-0035 Serial # 93651-519

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larry wolfe

08-02-2000 14:51:47




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 Re: 550 oil pressure relief valve in reply to Dennis, 08-01-2000 22:07:51  
DO you have an aluminum filter base or steel.There is lots of space talkeing about tightnes of bearings and drive gear on the pump. Are yours ok?



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Dennis

08-02-2000 20:46:08




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 Re: Re: 550 oil pressure relief valve in reply to larry wolfe, 08-02-2000 14:51:47  
As a former machinist, I am pretty particular as to finding fault with fit and gear wear. Everything appears to be in good shape. The next item to check is the relef valve. I'll let you know how that turns out.



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larry

08-04-2000 15:04:37




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 Re: Re: Re: 550 oil pressure relief valve in reply to Dennis, 08-02-2000 20:46:08  
The oil gallery relief is so close to the front right motor mount that you scrape your fingers on it to take out the bolt. While you have it apart check the numbers on connecting rods and caps and make sure they match. Three times i have been called to look at an engine and found them wrong. The oil for the rods comes from the top squirt holes,bearing holes must aline with rods.



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