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jeffnil 
Silver Level
Joined: 13 Sep 2009
Location: Ohio Illinois
Points: 73
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 Topic: 7080 won't move
Posted: 16 May 2011 at 8:25pm |
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bought a blown 7080 for wife to pull with, put in n6 motor and double sprung torque limiter. tractor has power steering, hydrolics, and brakes but will not move. i can go gear to gear in transmission with clutch left out with very little grinding. Where do I start? sorry for rambling, not a lot of sleep last couple of weeks. thanks for any ideas
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Orange Blood
Orange Level
Joined: 29 Nov 2010
Location: ColoradoSprings
Points: 4053
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Posted: 16 May 2011 at 9:18pm |
Well, since you know the limiter is good, I would suggest the high low range cable, or the small park cable, if either are broken or way out of adjustment, the two speed after the transmission isn't going into gear. Do you know if it moved before the motor was blown?
HTH
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Still in use:
HD7 WC C CA WD 2-WD45 WD45LP WD45D D14 3-D17 D17LP 2-D19D D19LP 190XTD 190XTLP 720 D21 220 7020 7030 7040 7045 3-7060
Projects: 3-U UC 2-G 2-B 2-C CA 7-WC RC WDLP WF D14 D21 210 7045 N7
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DrAllis
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Joined: 12 Sep 2009
Points: 21081
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Posted: 16 May 2011 at 9:19pm |
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Splines are ripped out of the low range clutch housing of the Power Director clutch.
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injpumpEd
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Joined: 13 Sep 2009
Location: Walnut IL
Points: 4997
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Posted: 16 May 2011 at 9:46pm |
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Story goes, this tractor was going through the field pulling a field cultivator, and suddenly threw a rod out the side of the block. So I gotta think it was drivable before. Dr, could the engine locking up ripped splines? I dont really recall this one being locked up though. Will have to check it out. What about inching pedal? Ed.
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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!
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DrAllis
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Joined: 12 Sep 2009
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Posted: 16 May 2011 at 10:00pm |
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Verify the clutch valve has pressure...195-205 psi minimum. If the floor buttons stay in "hi" when depressed and returns to low button when the clutch pedal is pushed in, the pump is probably working OK. If the torque limiter wasn't seated after installation, the disc probably isn't perfectly centered and that will finish off splines that are worn to begin with.
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victoryallis
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Joined: 15 Apr 2010
Location: Ludington mi
Points: 2876
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Posted: 17 May 2011 at 7:01am |
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There are some large O rings in your PD clutch area that when they get stiff you will have nothing when you let he clutch out. That is partly why my 7080 is split now.
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7060
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Joined: 16 Sep 2009
Location: Missouri
Points: 1148
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Posted: 17 May 2011 at 7:19am |
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I have a 7050 that just quit a couple weeks ago, but if you have some grinding thats more than Ive got. I havent had time to look into mine so I cant be of much help but it does sound similar to my problem. Would the piston seals in the PD like victoryallis said leak by enough pressure to keep them from grabbing?
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