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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
:

Oliver 1600 clutch slipping

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landlord7012

04-04-2007 15:50:16




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1963 1600 Oliver is experiencing horrible clutch slippage even in low range gears and the pedal engages way at the top. I noticed a hydraulic leak mixed/next to a motor oil leak which appears to be near the rear main but I can't pin point it. Is there a good way to view the clutch without disassembly? Does the tractor need to be split to replace the clutch? Is it possible it only requires adjustment (if it isn't oil-soaked)? What is the best way to adjust the clutch and is adjusting it going to affect the over/under?

Thanks in advance!

ll

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Don-Wi

04-05-2007 01:07:50




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 Re: Oliver 1600 clutch slipping in reply to landlord7012, 04-04-2007 15:50:16  
To replace the clutch you have to pull the engine out of the tub unless you don't have a hydra-power. If you don't have that, you can unbolt the bell housing and slide it back, but it sounds like you do have the Hydra-power based on the 2 leaks you decribe.

BEFORE YOU PULL THE ENGINE- you MUST remove the long PTO drive shaft through the rear of the tractor. Above the PTO there is a cover, take that off, then unbolt the pto clutch pack from the rear housing. The shaft should pull out fairly easy in these tractors, but you may have to turn it and jiggle it to get the splines to line up so you can pull it the rest of the way out.

To pull the engine, you pull the engine and hydra-power as an assembly, then take them apart later. You can set the H-P on a sheet of plywood(really doesn't weigh much more than 150 lbs or so) over the empty engine tub, and then set the engine next to it on the tub to work on the clutch.

Also, to lift the engine, if the 2 head bolts are in the right place (the ones with about 1 1/2" of thread on the top) which around the middle of the engine, with the hydra power attatched, you are supposed to be able to hook onto only the rear stud and lift the entire assembly out by that and it will balance just right to pull the engine and hydra power in one shot.

You can try to adjust it first- this is direct from the operator's manual:
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"Clutch Linkage adjustment:
Adjust the linkage whenever the clutch pedal free travel has decreased to approximatley1/8 of an inch. Pedal free travel is the distance the pedal can be depressed from it's engaged position to a point where the clutch begins to disengage. Measure this distance vertically at the rear of the pedal. To adjust the linkage, loosen the jam nut and remove the clevis pin. Rotate the adjusting clevis clockwise until the pedal free travel has been increased to about 3/4 of an inch. Reinstall the clevis pin and tightten the jam nut."

Hope this helps!!

Donovan from Wisconsin

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rrlund

04-05-2007 06:52:14




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 Re: Oliver 1600 clutch slipping in reply to Don-Wi, 04-05-2007 01:07:50  
I'm glad I waited for you to type all that. I had to jump in over on another forum though. Somebody told him to SPLIT the tractor! Couldn't let that ride!



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Don-Wi

04-05-2007 09:12:39




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 Re: Oliver 1600 clutch slipping in reply to rrlund, 04-05-2007 06:52:14  
Yup, I don't even know how a guy could split it with the engine still in there- woulda been a major pain trying to crack those 4 bolts loose from down under... if not impossible... I had to replace the tub on mine and them things are really torqued hard. When they crack loose, it feels like you just broke your breaker bar.

Donovan from Wisconsin



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