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7000

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LaJaMe View Drop Down
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Joined: 14 Sep 2014
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    Posted: 22 Jun 2017 at 10:13pm
Have an ac 7000.  Everything fine accept when you put it in reverse, there is noise i think in the rear end..  Any thoughts on what we maybe looking at.  Thanks
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MACK View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 22 Jun 2017 at 10:23pm
Tooth bad on one of three reverse gears. Reverse directly behind park causes a problem with reverse gears. Operator pushes clutch down, pulls shifter from park to reverse, transmission has not stopped yet and gears clash, causing damage to reverse gears.      MACK
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LaJaMe View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote LaJaMe Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jun 2017 at 8:20am
Thanks Mack
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WF owner Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jun 2017 at 6:45pm
I believe you can repair it without splitting it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jun 2017 at 10:06pm
The only gear that can be replaced without a split is the sliding gear. MACK
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Hurst View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Hurst Quote  Post ReplyReply Direct Link To This Post Posted: 23 Jun 2017 at 10:42pm
If it's the sliding gear, which was made out of softer metal, I believe, than the other two gears, you need to pull both the shifter top and the rear end cover, as the shaft has a retainer that is bolted on the differential side. The new gear will need to be honed to the size of the shaft, so you will need to take them to a machine shop, all assuming that is your problem. The gear is available aftermarket. The other gears are on your transmission shafts. I know the countershaft gear is actually machined into the shaft itself. I can't remember about the top gear.

Hurst
1979 Allis Chalmers 7000
5800 Hours
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