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orangeman69 
Bronze Level
Joined: 28 Jan 2013
Location: Eden,Wi.
Points: 155
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 Topic: 8070 power shift woes.
Posted: 30 Sep 2018 at 8:21pm |
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my son was pulling a vertical till and he lost all gears except for 2nd,looks like oil is coming out of the bottom of the housing where theres a inspection hole. hi or low range doesn't matter. no reverse just 2nd. any ideas would be greatly appreciated..
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d17,d17nfpuller,d-17IVdiesel,d19gas,d19diesel nf,d21seriesII,180,190xtseries III,200,210,7020,7060,7080w/8.3cummins,8070fwa w/8.3cummins,8550 185 w/322 original hrs.
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MACK
Orange Level
Joined: 17 Nov 2009
Points: 7664
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Posted: 30 Sep 2018 at 10:25pm |
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Nut come off front planetary carrier or pulled end off of it. A complete rebuild. MACK
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Ron(AB)
Orange Level
Joined: 27 Dec 2009
Location: Alberta
Points: 959
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Posted: 01 Oct 2018 at 2:48am |
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Is this common for the power shift trans?
Wasn't there a better fix to prevent it from happening again? (like weld the nut?)
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MACK
Orange Level
Joined: 17 Nov 2009
Points: 7664
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Posted: 01 Oct 2018 at 6:29am |
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No good reason for it to happen. Have saw them tear nut lock off, have saw more than one pull hub into just behind nut with nut still locked on. MACK
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DrAllis
Orange Level Access
Joined: 12 Sep 2009
Points: 21723
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Posted: 01 Oct 2018 at 6:36am |
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When I assemble one, I use Loctite on the nut and then stake it with a center punch really good one time at the keyway. If I ever have to take it back apart I which I never have) I'll split the nut with a sharp chisel.
Edited by DrAllis - 01 Oct 2018 at 7:23am
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Leon B MO
Orange Level
Joined: 12 Sep 2009
Location: Old Monroe, Mo
Points: 2181
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Posted: 01 Oct 2018 at 7:49am |
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We had the exact same issue on our 8050 this spring. We're lucky enough to have an AC mechanic with all the specialty tools and knowledge. We supplied all the labor. Cost less than $500 for parts but many hours of free labor.
Leon B Mo
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Uncle always said "Fill the back of the shovel and the front will take care of itself".
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Lynn Marshall
Orange Level Access
Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2362
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Posted: 01 Oct 2018 at 8:18am |
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I'm afraid that Mack is correct on this problem. You can confirm this by taking the valve body,behind the batteries,off of the tractor and use a pry bar under the front clutch pack to see if it's loose. I like to have the tractor in a position where it can be split before I even take the valve body off. Duals off and rear wheels moved out are a plus for this job. Fuel out too.
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