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Hydraulic Valve Stuck

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wolfman

10-10-2007 18:50:41

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Ford (2310) hydraulic valve under seat has a knob-pull it out and three point hitch works; push it in and hitch holds and front blade lifts (or vice-versa). Knob won't budge. I've pulled til I'm afraid I'll break something. Am I forgetting something? I've tried position control and lift control levers in different positions, Rubber grommet around the knob base so that penetrating stuff might not pen. Ideas??

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RodInNS

10-11-2007 08:21:24

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Re: Hydraulic Valve Stuck in reply to wolfman, 10-10-2007 18:50:41

I would relax everything to the ground and remove the valve. I've never had one apart, but I doubt there's much to it. Once you have it off you can probably get a better look at what you're up against. It would seem queer to me that it would be stuck from corrosion, so I'd look for something mechanical. Try that and go from there.

Rod

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soundguy

10-11-2007 06:14:37

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Re: Hydraulic Valve Stuck in reply to wolfman, 10-10-2007 18:50:41

If i found the correct drawing on the CNH parts lookup site.. this DOES look like the bolt on selector valve i was thinking of.. here's the pa rts list and a pic.

hope this helps ( does appear to be 5 bolt design.. )
.

soundguy

1 E0NND960AA VALVE, HYDRAULIC Valve Assy., Includes: Ref. 1 thru 8, Start Year: 01/01/1981 1 1 129270 O-RING O-Ring, 5-1, 90 Duro, .414" ID x .072" Thk, Start Year: 01/01/1981 2 1 86628554 BALL Ball, Steel, 1/4" Dia., Start Year: 01/01/1981 3 1 C5PNP951A SPRING Spring, Start Year: 01/01/1981 4 1 C5NHD959A SCREW Screw, Set, Socket Hd., 5/16"-18 x .32", Start Year: 01/01/1981 5 1 87711S36 PLUG Plug, 1/2"-14, No Longer Required., Start Year: 01/01/1981 6 1 C5NHD961A BOOT Cover, Start Year: 01/01/1981 7 1 C5NHN513A KNOB Knob Assy., Start Year: 01/01/1981 8 1 381707S35 CLAMP Clamp, Start Year: 01/01/1981 9 1 371433S36 BOLT Bolt, 9/16"-18 x .62", Start Year: 01/01/1981 10 1 C5NNN991B SEAL Seal, Bolt, Start Year: 01/01/1981 11 2 380590S2 BOLT Bolt, 5/16"-18 x 2-3/4", No Longer Required., Start Year: 01/01/1981

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soundguy

10-11-2007 06:03:08

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Re: Hydraulic Valve Stuck in reply to wolfman, 10-10-2007 18:50:41

Sounds like the shaft on that selectrol valve is froze up. if this is the kind mounted on the front of the lift cover then I think I'd relax the lift and drop the front implement if any and then pull the small cover off ( 4 bolts big corner bolts? maybee 1 small center one? at least tha's how it is on a hundred series hyd blank port cover).

Pull it off and see if you can get some penetrating oil to the inside of the spool. i don't know if it is a metal to metal low clearance spool.. or if there are orings??? I never had one apart.

If you don't bugger the orings under the cover.. you might be able to re-use them.

hopefully someone with some xx10 experience will post.

If this is a valve built into the 3pt hitch controls .. then?? I dunno

Soundguy

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