Go Bottom3 point hitch won t lift
 | Kendall Tomilson
Join Date: Posts: 1 
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2000-02-29 13269
My father has a 1994 B7100 HST 16hp diesel. The lever to activate the lift for the 3 point hitch seems to work correctly but it doesn't move the arms up. Can anyone help? Thanks
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 | Murf
Join Date: Dec 1999 Posts: 7249 Toronto Area, Ontario, Canada 
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2000-03-01 13293
If it happened suddenly, I would suspect the spring in the pressure relief valve for the 3pth let go. This is common, and when it fails the valve goes wide open and there is no pressure to actuate any hydraulics. It is easy to check, put a hyd. pressure gauge (capable of at least 3,000psi) on the system, you should have at least 1,000psi, 2200-2500psi at full throttle. Anything less or wildly fluctuating, and the valve is dumping fluid straight back to the reservoir. Best of luck. ....
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| Bird Senter
Join Date: Jun 1999 Posts: 962 
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2000-03-01 13319
Does it have a front end loader on it? I had a 1995 B7100HST with a front end loader, and 2 or 3 times when I started to raise the 3-point hitch, it didn't move (scared me, too) and then I found that the joystick for the loader sometimes got a little sticky and hadn't completely centered, and just wiggling the joystick to get it centered (and the valve completely closed) made the 3-point work right again. ....
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