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Ed&Sherry 
Silver Level
Joined: 08 May 2010
Location: Owego, NY
Points: 234
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 Topic: 7030 pd trans.
Posted: 18 Jun 2017 at 4:11pm |
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friend stopped in,asked why his 7030 with a pd locked up while in hi, but he shifted to low and it seemed alright,,is it just a matter of time and lo will also lock up ?
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MACK
Orange Level
Joined: 17 Nov 2009
Points: 7664
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Posted: 18 Jun 2017 at 6:47pm |
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No, two shafts seized to gather in front of transmission. MACK
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Lynn Marshall
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2381
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Posted: 18 Jun 2017 at 10:01pm |
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Are you talking about the high low range lever on the right hand side or the power director buttons on the floor?
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wayneIA
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Joined: 17 Oct 2009
Location: Waverly, IA
Points: 268
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Posted: 19 Jun 2017 at 3:10am |
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If the power director shafts seized together then it wouldn't turn in high or low. Did the high low range lock up, or the power director lock up in high. The power director only locking on one side, I wouldn't know off hand how that could happen unless the two driven hubs in the clutch pack got messed up. I haven't had the range portion apart before to know how that works for sure to offer any guidance there.
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DrAllis
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Joined: 12 Sep 2009
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Posted: 19 Jun 2017 at 7:22am |
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Most of the time, when the Power Director shafts weld themselves together, the low side shaft twists off. So, when you drive the tractor, it is always in high range regardless of where the buttons are placed....... been there...dun that.
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Ed&Sherry
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Joined: 08 May 2010
Location: Owego, NY
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Posted: 19 Jun 2017 at 9:47am |
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asked more ? ,,,he says the lever in HI locks up trany,,,lever in LOW can use just fine and both buttons work in low
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DrAllis
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Posted: 19 Jun 2017 at 10:00am |
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Range transmission seizure. Complete teardown of the rear end and torch the gear off of the pinion shaft...a pretty big deal.
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8617
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Posted: 19 Jun 2017 at 10:01am |
Not sure what "locks up trans" means...that range shift is in the rearend behind the transmission.Sounds like somehow the range gets caught in both hi & lo when in hi position. DrAllis,what causes shaft welding in PD's?Low oil?
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Ed&Sherry
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Location: Owego, NY
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Posted: 19 Jun 2017 at 10:24am |
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will a 7060 rear bolt up to a 7030?
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DrAllis
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Posted: 19 Jun 2017 at 10:32am |
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Will bolt right up, but maybe a couple of hydraulic lines are different. Must be a Power Director 7060 to get correct gearing. Power Director transmission hollow input shafts that seize together can be bearings getting loose from wear and low oil or combination of the two. Range trans seizure is different and doesn't happen a lot but is catastrophic when it does occur.
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MACK
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Joined: 17 Nov 2009
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Posted: 19 Jun 2017 at 9:35pm |
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Dirty oil is a big cause for both PD and range gear to seize. Never saw either to happen on any ones tractor that kept oil clean. Fill tube loose in range transmission can get a lot of dirt in one. Operator pulls dipstick, tube comes out and dirt that is piled up around tube falls in. Plus there is a gallon of oil in range transmission that don't drain out when drained unless you suck it out through fill tube. MACK
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