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Allis 7020
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leader58 View Drop Down
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Joined: 15 Oct 2013
Location: Wilmington,IL
Points: 103 		Post Options Post Options   Thanks (0) Thanks(0)   Quote leader58 Quote  Post ReplyReply Direct Link To This Post Topic: Allis 7020
    Posted: 04 Mar 2017 at 11:32am
Can the front harmonic balancer seal be changed from the outside on the 7020?
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8684 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 04 Mar 2017 at 12:02pm
tricky but yes.Usually a small self tapping screw (or three) gives ability to pull with prybar.Crank in way makes it harder to clean bore and drive new seal but can all be done with some ingenuity and patience.
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 04 Mar 2017 at 9:54pm
A little heat around outer dia. Of seal will make it pull easier. The seal has locate on it and 300 degrees will loosen the locate.      MACK
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ACjack View Drop Down
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Joined: 13 Sep 2014
Location: Peoria, Arizona
Points: 277 		Post Options Post Options   Thanks (0) Thanks(0)   Quote ACjack Quote  Post ReplyReply Direct Link To This Post Posted: 05 Mar 2017 at 9:22am
If there's loctite on the outer edge of the seal then that isn't the factory seal in there. The factory seal had a "rubberized" red coating on its outer OD to seal against oil leaking past the seal OD and the front cover.
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 06 Mar 2017 at 7:45am
The rubberized coating is a form of loctite .     MACK
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Sam T-Ga View Drop Down
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Joined: 13 Sep 2009
Location: Monticello, Ga.
Points: 392 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Sam T-Ga Quote  Post ReplyReply Direct Link To This Post Posted: 06 Mar 2017 at 6:22pm
I think you have to pull timing cover on 301 engine, seal is pressed in from backside of cover. There is a lip on cover that protects seal.
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Lynn Marshall View Drop Down
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Joined: 13 Sep 2009
Location: Dana, Iowa
Points: 2427 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lynn Marshall Quote  Post ReplyReply Direct Link To This Post Posted: 06 Mar 2017 at 7:46pm
Sorry Sam,but there is no need to pull the cover. Seal is pressed in from the front.
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