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8050 pto hdraulic leak
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DougG View Drop Down
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Joined: 20 Sep 2009
Location: Mo
Points: 8367 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DougG Quote  Post ReplyReply Direct Link To This Post Topic: 8050 pto hdraulic leak
    Posted: 13 Jun 2020 at 2:34pm
Looking at an Allis 8050 and it has a pretty good hydraulic leak dripping from the pto shaft, how big of job is this to change the seal? 
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LB0442 View Drop Down
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Joined: 27 Dec 2014
Location: Boise ID
Points: 767 		Post Options Post Options   Thanks (0) Thanks(0)   Quote LB0442 Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2020 at 8:36pm
If it has just the 1000 PTO then you can get the seal from the back.  If it has 540/1000 you have to drain rear end oil, drop that rear cover/plate and you will see both gears and a large nut.  Remove the wire and pin, back off nut then you can remove shaft to replace seal.  Mark where the old nut was as there is a slight preload on the bearings in there.
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DougG View Drop Down
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Joined: 20 Sep 2009
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Points: 8367 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DougG Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2020 at 9:19pm
Thanks for the great info..  
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MACK View Drop Down
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Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jun 2020 at 9:31pm
After you remove nut, use slide hammer to remove inner shaft. Then remove bolts behind outer flange. Then pry shaft assembly out, catching the two gears and thrust bearings.        MACK
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