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AC 7020 T-Handle shifter |
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Boiler_bull
Bronze Level Joined: 18 Sep 2016 Location: Ohio Points: 5 |
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Posted: 18 Sep 2016 at 10:52am |
I bought an 1978 AC 7020 with 3900 hours yesterday at a farm auction and it is my first AC. This tractor has sat in the barn for a while and it looks good but it has not been used. It starts right up and runs well but I can't get the shifter handle to turn at all. It will go all the way forward and back but won't budge when I go to put it in reverse or another side gear. Does this mean the cables are froze or worse? If they are froze, should I try to break them loose with a pipe wrench on the shifter or do I need to be more gentle. Or do I remove the cables and try to break them loose on the bench or just replace them?
I was able to drive it 4 miles home but it does grind the gears whenever I change gears or speed selector. Thanks. |
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CrestonM
Orange Level Joined: 08 Sep 2014 Location: Oklahoma Points: 8357 |
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I'm no expert, but I'd say new cables. I guess you could mess with these, trying to get them loosened up, then grease them good, but I'd just get new ones.
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Boiler_bull
Bronze Level Joined: 18 Sep 2016 Location: Ohio Points: 5 |
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It also will not go into park. Does that sound like a cable as well?
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Dans 7080
Orange Level Joined: 05 Feb 2010 Points: 1146 |
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Get new cables there still available from Agco. You'll have about 250 in the thandle and the park one together. I replaced them on my 7080 shifts like a new one!
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When someone tells you Nothings Impossible, Tell them to slam a revolving door
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rw
Silver Level Joined: 28 Oct 2009 Location: United States Points: 377 |
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There can be more to the "won't shift into park". I bought a used 7045 and spent a few hours freeing up and adjusting and replaced cables. The T handle really works pretty freely when things are set up right and it will stay in adjustment and work good- mine has for 5 years as a hay baling and feeding tractor so lots of shifting. My 7060 had some things ran out adjustment on the range and park shifter and got really bad and we ended up pulling the shift cover for the range section and replacing some pins in the detent and interlock and maybe a shift rail had some wear in it too, but setting up the cables right has allowed it to work great for longer than it did when it was new. I think a lot of these got sold and used out of adjustment then after people figured them out they worked the bugs out of them. They do get wear inside the cables and need replaced.
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AC7060IL
Orange Level Joined: 19 Aug 2012 Location: central IL Points: 3207 |
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Congrats on buying an great AC. I replaced my 7060's range cable which helped the range shift much easier (park,low,high). At the time, I did not replace the gear cable, but should have. Within a few years the gear cable became harder to shift. So I'd replace both at same time.
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MACK
Orange Level Joined: 17 Nov 2009 Points: 7664 |
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Remove platform floor and look for broken linkage. Also remove side panel and check for a problem there. While the floor is out, check cable anchor for small cable that pulls shifter to side for park. Check all the linkage be for spending the money for cables you may not need.
MACK
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Tbone95
Orange Level Access Joined: 31 Aug 2012 Location: Michigan Points: 11398 |
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You mentioned grinding going into gears....You do know the tractor is meant to be completely stopped before shifting anything? There's guys that can do some rolling shifting with lots of practice, but it is not the recommended method.
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 19547 |
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The Tee handle will only rotate when in neutral, never when the lever is forward or back.
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Dmpaul89
Orange Level Joined: 06 Mar 2013 Location: Edwardsville,IL Points: 1689 |
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in case you didnt know. you must twist the handle it does not work like a regular stick shift. In neutral try rotating it. Also make sure your fully depressing the clutch which should engage the trans brake to make the gears not spin for less grinding. Cables must be free as others said
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Boiler_bull
Bronze Level Joined: 18 Sep 2016 Location: Ohio Points: 5 |
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I can't get the handle to budge in neutral, maybe 1/16th to each side. So as of right now I only have two usable gears, 2 & 3. It also really grinds the gears when it is stopped and the clutch buried to the floor.
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DrAllis
Orange Level Access Joined: 12 Sep 2009 Points: 19547 |
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TWIST THE HANDLE, NOT MOVE IT SIDE TO SIDE !!
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Boiler_bull
Bronze Level Joined: 18 Sep 2016 Location: Ohio Points: 5 |
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Yep, it won't twist.
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rw
Silver Level Joined: 28 Oct 2009 Location: United States Points: 377 |
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un hook the cable that is hooked to the twist lever and then see if the handle will twist. som4e of them have ends with a sleeve that can be released to let the socket off of the ball. maybe that will help locate the binding part.
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Jwmac7060
Orange Level Joined: 04 Jan 2014 Location: Indiana Points: 929 |
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Allis should have come up with a better shifter than that...I would just as soon have the shifter between my legs as deal with the constantly wearing out T handle....they dropped the ball on that one IMO
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DougG
Orange Level Joined: 20 Sep 2009 Location: Mo Points: 7946 |
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But its a fancy chrome shifter handle with the AC TRIANGLE in it !
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Jwmac7060
Orange Level Joined: 04 Jan 2014 Location: Indiana Points: 929 |
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Exactly
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Dmpaul89
Orange Level Joined: 06 Mar 2013 Location: Edwardsville,IL Points: 1689 |
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yeah i dont care for it either.
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AC7060IL
Orange Level Joined: 19 Aug 2012 Location: central IL Points: 3207 |
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I agree |
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shameless (ne)
Orange Level Joined: 08 Jul 2016 Location: nebraska Points: 7463 |
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if my 7010 is gonna sit (like over winter) I spray panther pee down thru the slots on the console. sure helped with the sticking.
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ILGLEANER
Orange Level Access Joined: 13 Sep 2009 Location: Willow Hill,ILL Points: 6442 |
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I would do that Shamless, but l have never been able to get the panther inside the cab once l catch him.....
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Education doesn't make you smart, it makes you educated.
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shameless (ne)
Orange Level Joined: 08 Jul 2016 Location: nebraska Points: 7463 |
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LMAO!!!! IG....you gotta wear gloves!
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