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271 install rear main oil seal

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WaltDevore View Drop Down
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Joined: 03 Jan 2020
Location: IdahoSprings CO
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    Posted: 18 Jul 2021 at 9:04pm
This drove me crazy all day.  On verge of insanity.  Thought I could gently tap and work it in, but it always goes out of kilter and pops out.  Any recommendations?   Help save a life.  Thanks.
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CAL(KS) View Drop Down
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Joined: 18 Sep 2009
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CAL(KS) Quote  Post ReplyReply Direct Link To This Post Posted: 19 Jul 2021 at 7:16am
detroit likely has a special tool for that.  you may need to fabricate a disk large enough to contact the entire seal if you dont already have something, where as you can tap in the center and work it on slowly.  i dont know this particular application but sometimes a tool is required because of the seal type.
Me -C,U,UC,WC,WD45,190XT,TL-12,145T,HD6G,HD16,HD20

Dad- WD, D17D, D19D, RT100A, 7020, 7080,7580, 2-8550's, 2-S77, HD15
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SteveM C/IL View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 02 Aug 2021 at 9:09pm
And it probably is not going to be a flat surface tool. The one on Cat is shallow in center so OD can push on edge of seal flange. It has a steel sleeve which presses on crank and is internal part of seal. Actually presses on 2 areas...inner and outer at the CORRECT dimensions. Can be made but needs to be done right
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WaltDevore View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote WaltDevore Quote  Post ReplyReply Direct Link To This Post Posted: 03 Aug 2021 at 1:48pm
From calling Timken and finding National RD installers on Amazon, I learned the supposedly right one is the National RD314.  Found one on Ebay for 25 bucks.  Sure hope it works.  What a stymie this has been.


Edited by WaltDevore - 03 Aug 2021 at 1:50pm
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