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Discussion Forum

631 Ford Lift problems

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Gary W Conger

05-26-2001 07:06:43

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Someone please help, my lift started acting up on cold mornings, after you let the tractor run for a few minutes it would come on up. Now she has determined she does not want to come up at all. I have never been inside the lift section but I am willing to learn. What do I need to look for and what should I expect . Thanks to anyone who can advise me.

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Rick Magers

05-29-2001 08:21:44

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 Re: 631 Ford Lift problems in reply to Gary W Conger, 05-26-2001 07:06:43  
Gary, my 960 did the same thing. After a few frustrating attempts at bleeding the system I came up with a solution. About halfway down the right footrest and just below it is an allen head bolt. You can unscrew this bolt and if fluid is just dribbling out while the lift is up you need to bleed. But watch out and be ready to put the bolt back in FAST! Once you do, the system should be primed and operating.
My solution (which I only have to use if the tractor sits idle for a long time) is a 90 degree petcock which I found at Auto Zone that screws into the allen head hole. To prime, put a container under the petcock, start the tractor and lift, open the petcock and stand back. When the lift goes up, close the petcock and pour the fluid back into the case. Hope this works for you.

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Mark H, Ont

05-28-2001 19:39:55

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 Re: 631 Ford Lift problems in reply to Gary W Conger, 05-26-2001 07:06:43  
Gary, have you tried bleeding the system? Has it been jerky at all coming up?

Park it nose down a slope or into a small ditch (be careful, because you need to do it with the engine running, a driver to hold the brakes is a good idea), use an allen key to loosen the set screw on the top of the hydraulic pump(DO NOT REMOVE). You could see air bubbles, followed by oil.

Try this and see if it helps.

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Mark H, Ont

05-26-2001 18:09:28

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 Re: 631 Ford Lift problems in reply to Gary W Conger, 05-26-2001 07:06:43  
Have you checked/changed the oil lately? If it's creamy like a milkshake, you have water in the system, hence the warmup required.

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Gary W Conger

05-26-2001 19:14:58

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 Re: Re: 631 Ford Lift problems in reply to Mark H, Ont, 05-26-2001 18:09:28  
The fluid in the lift is less than a year old and it has been under a shelter so no water should be in it at all.The fluid does not look milky. I had completly changed all the oils in it about a year ago.If you have any other suggestions please let me know and thanks for responding.

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Chris White

06-02-2001 22:16:14

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 Re: Re: Re: 631 Ford Lift problems in reply to Gary W Conger, 05-26-2001 19:14:58  
If you mean the 3-point hitch there are 2 o-rings located under the transmission top cover. You have to take the seat off-then the cover and on the right side just inside the gasket flange are 2 small 0-rings, one is probably bad. I repaired one years ago,I hope this helps you.

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