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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Rearend Oil Over full

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LWH

10-24-2007 21:34:57




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We pulled the PTO out on the 88 today and oil came pouring out.Also checked the hydraulic resivor and it did not show on the dipstick.We have used Olivers for many years but we have never had one with hydraulics so are not familiar with them.Is it possible that some of the oil we saw pouring out the PTO was originally in the hyd tank.Is so what would cause this.We just bought this tractor so we have no idea if there even was oil in the hyd system. Maybe the guy just really overfilled the rearend oil but since one was way low and the other overfull I thought there might be a connection.

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Fern(Mi)

10-26-2007 18:05:01




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 Re: Rearend Oil Over full in reply to LWH, 10-24-2007 21:34:57  
First thought is the draft control shaft seal going through bottom of hydraulic reservoir. Occasionally the pump seal goes out. Requires rock shaft housing removal. Not hard with chain falls. Checking for hear case water, I pull plug and drain water off until I get gear lube. Keep plug very close. Good luck Fernan



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J Schwiebert

10-27-2007 05:52:36




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 Re: Rearend Oil Over full in reply to Fern(Mi), 10-26-2007 18:05:01  
When did the 88 have draft control?



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Opps

10-27-2007 08:44:24




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 Re: Rearend Oil Over full in reply to J Schwiebert, 10-27-2007 05:52:36  
I missed that little 88 model detail.
Shame on me!
I've been working on to many 1850's lately.
Fernan



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Ron Loren

10-25-2007 14:56:58




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 Re: Rearend Oil Over full in reply to LWH, 10-24-2007 21:34:57  
Don't overlook the possibility that it has spent some time out in the rain. The platform may be leaking, or the gear shift boot be bad and it fills up with water that displaces the oil. If you are in a cold weather climate, as soon as its cold enough, the water can freeze and make it tough to move.



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Centerplate

10-25-2007 06:27:16




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 Re: Rearend Oil Over full in reply to LWH, 10-24-2007 21:34:57  
Don't drop the springs from the shifter tower into the transmission when you remove the shift lever. I have centerplates, bearings and seals on hand.

Nick



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bradk

10-25-2007 05:41:26




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 Re: Rearend Oil Over full in reply to LWH, 10-24-2007 21:34:57  
As old said.Either the pump seal or the center plate is cracked.

As long as you have the PTO shaft out already,it's just a matter of removing shifter first and then the hydraulic unit as an assembly.The pump is mounted on the underside of the hyd assy.

See what you need first then let us know.We'll help find the parts.



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old

10-24-2007 22:10:25




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 Re: Rearend Oil Over full in reply to LWH, 10-24-2007 21:34:57  
Common problem on one like that is seals in the hyd pump and or a crack hyd pump BTDT and had that problem on my Super 88 and replaced the seals and all is well now. But as I said its very common



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