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CA Leaking ?
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Gerald J. View Drop Down
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Joined: 12 Sep 2009
Location: Hamilton Co, IA
Points: 5636 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gerald J. Quote  Post ReplyReply Direct Link To This Post Topic: CA Leaking ?
    Posted: 22 Apr 2019 at 9:54pm
The shop manual ought to cover that:

http://geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf

Gerald J.
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Dave(inMA) View Drop Down
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Joined: 12 Sep 2009
Location: Grafton, MA
Points: 2400 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave(inMA) Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr 2019 at 8:33pm
I think the idea is to provide drainage so that the water that (inevitably) gets inside the housing has a way to get out. As noted, they're also handy for mice looking for a way inside the housings! 

2x what DennisA said about your leak. The repair is fairly easy if you've got access to a hoist to handle the weight of the housings. I used an engine hoist when working on my CA brakes and hand clutch. There is some work involved to get to the point where you can remove a housing - removing the operator platform and the fenders. Make sure that you drain the differential before starting - otherwise there will be a lot of fluid running out the side of the differential when you pull the housing off! I say this from experience...
WC, CA, D14, WD45
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Walker View Drop Down
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Joined: 12 Sep 2009
Location: oh
Points: 9138 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Walker Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr 2019 at 7:38pm
Mouse holes and it gives ya another hole to cuss at for not being big enough when changing brakes.

Edited by Walker - 22 Apr 2019 at 7:44pm
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mdm1 View Drop Down
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Joined: 12 Sep 2009
Location: Onalaska, WI
Points: 2721 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mdm1 Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr 2019 at 7:33pm
http://www.agcopartsbooks.com/PartsBooksN/Viewer/book.aspx?book=agco/79001546 Go to this link and look at page 84. Hope this helps. 
Everything is impossible until someone does it! WD45-trip loader 1947 c w/woods belly mower, 1939 B, #3 sickle mower 1944 B, 2 1948 G's. Misc other equipment that my wife calls JUNK!
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DennisA (IL) View Drop Down
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Joined: 11 Sep 2009
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Points: 2077 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DennisA (IL) Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr 2019 at 6:23pm
The pinion shaft seals are leaking. The seals are located by the differential housing. The final drive housings will need to be removed to gain access to the seals.
Part #70232186
Thanks & God Bless

Dennis
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SGTJ View Drop Down
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Joined: 15 Apr 2019
Location: La Valle, WI
Points: 106 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SGTJ Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr 2019 at 5:46pm
My CA is leaking from two holes in the rear end (see below) I changed the fluids in it when i got it a few weeks ago, and I put in the specified amount.  Since the fluid change its been leaking

They look like factory holes (what they're for i have no idea) 
WD , CA
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