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Fierce Sparrow
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Joined: 28 Jan 2006
Posts: 18
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 Posted: Fri Feb 15, 2013 2:13 pm Post subject: 856 Hydraulic Problems |
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Using our 856 every day. Yesterday my son started the tractor to haul manure, and no hydraulics. The 3 point is up and will not lower, and feels spongy in the raised position. Also there are no auxiliary hydraulics. There is nothing. Drained the rear end, pulled the hitch pump,and checked it and it seems fine. No chewed up pump gears, drive gears, or blown seals. Hydraulic pump flows a lot of oil when spun by an electric drill immersed in a pail of oil. Hydraulic pump drive gear is fine and the PTO works good. I figured the next step would be the relief valve, but why doesn"t the 3 point lower?
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966
New User
Joined: 15 Feb 2013
Posts: 5
Location: sydney N.S
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| Posted: Fri Feb 15, 2013 2:57 pm Post subject: Re: 856 Hydraulic Problems |
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| Fierce Sparrow wrote: | | (quoted from post at 15:13:21 02/15/13) Using our 856 every day. Yesterday my son started the tractor to haul manure, and no hydraulics. The 3 point is up and will not lower, and feels spongy in the raised position. Also there are no auxiliary hydraulics. There is nothing. Drained the rear end, pulled the hitch pump,and checked it and it seems fine. No chewed up pump gears, drive gears, or blown seals. Hydraulic pump flows a lot of oil when spun by an electric drill immersed in a pail of oil. Hydraulic pump drive gear is fine and the PTO works good. I figured the next step would be the relief valve, but why doesn"t the 3 point lower? |
Having similiar problems with my 966 Farmall, no 3 pt. hitch, front end loader, any information on pump location or help in any way, I'm lost ? please contact me if you can help spleslie@msn.com
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the tractor vet
Tractor Guru
Joined: 24 May 2000
Posts: 11564
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| Posted: Fri Feb 15, 2013 4:38 pm Post subject: Re: 856 Hydraulic Problems |
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Did you by any chance do any sudden jerking on the three point???maybe pulling something out stuck , have a chain break while doing this?? Using a blaade and hitting something hard . First pull the top link cover off and look in with a lite and off on the right side you will see and arm (lever) coming up from the bottom and one hanging down from the top . The one from the top is SUPPOSE to be behind the one coming up from the bottom . Th one on top has heavy spring tension and can have vary sharp edges . So either use a hook tool you can hang on to or heavy welding gloves and pull it back around the one from the bottom.
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Allan in NE
Tractor Guru
Joined: 01 Jun 2004
Posts: 20151
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| Posted: Sat Feb 16, 2013 3:20 am Post subject: Re: 856 Hydraulic Problems |
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What Tractor Vet said,
The sensing linkage down in 'er belly has come apart. Did you bounce over something with a heavy load on the hitch; like a big bale or something?
Allan
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