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GPNX 
Bronze Level
Joined: 22 Sep 2019
Location: Wisconsin
Points: 3
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 Topic: Allis Chalmers B water pump
Posted: 22 Sep 2019 at 4:27pm |
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I am new to the forum. I recently purchased an allis chalmers b tractor that needs work. The water pump was leaking so i ordered a new one. I have also purchased manuals on this tractor for servicing an maintenance. I have been through books i got all all over the internet and for the life of me can't find torque spec for reinstalling water pump. Does anyone know what it is.
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mdm1
Orange Level
Joined: 12 Sep 2009
Location: Onalaska, WI
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Posted: 22 Sep 2019 at 4:46pm |
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Welcome to a great forum. I just put one on a B and just tightened it up. I'm sure someone will know if there is a torque spec. Post some pics of your tractor. Where in WI are you?
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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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chaskaduo
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Joined: 26 Nov 2016
Location: Twin Cities
Points: 5200
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Posted: 22 Sep 2019 at 4:56pm |
You can look up the torque spec for your bolt size on the internet, you also need to know the SAE grade also. Probably grade 5.
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1938 B, 79 Dynamark 11/36 6spd, 95 Weed-Eater 16hp, 2010 Bolens 14hp
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Ranse
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Joined: 11 Mar 2016
Location: Tennessee
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Posted: 22 Sep 2019 at 5:02pm |
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I put one on my B. I didn't realize there was a torque spec. I did just did as mdm1 did, just tighten it. It works and don't leak, I figure it's good to go.
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GPNX
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Joined: 22 Sep 2019
Location: Wisconsin
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Posted: 22 Sep 2019 at 5:08pm |
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I am in st croix falls wisconsin. thanks for the feed back. for the people that installed the pump did you use rtv sealant like on a vehicle for the gasket?
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Ranse
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Joined: 11 Mar 2016
Location: Tennessee
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Posted: 22 Sep 2019 at 5:22pm |
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I used no sealant at all. Just the gasket that came with the pump. I thought about using something, but I haven't had a problem yet.
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chaskaduo
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Location: Twin Cities
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Posted: 22 Sep 2019 at 5:26pm |
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I think the manual says shellac.
Yep just looked.
Edited by chaskaduo - 22 Sep 2019 at 5:28pm
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1938 B, 79 Dynamark 11/36 6spd, 95 Weed-Eater 16hp, 2010 Bolens 14hp
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mdm1
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Joined: 12 Sep 2009
Location: Onalaska, WI
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Posted: 22 Sep 2019 at 8:01pm |
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I used just the gasket as well. No problem.
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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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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
Points: 85976
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Posted: 22 Sep 2019 at 8:46pm |
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nobody had a torque wrench in 1940 ... Most mechanics are just familiar with "tight" for a given size bolt.. If your not as experienced, then I would use a grade 5 torque for that size bolt and call it good.
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Like them all, but love the "B"s.
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Gerald J.
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Joined: 12 Sep 2009
Location: Hamilton Co, IA
Points: 5636
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Posted: 22 Sep 2019 at 9:46pm |
Page B-C-15 in the shop manual I have says "tighten securely" for the water pump mounting bolts. http://geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf Gerald J.
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BEK
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Joined: 05 Nov 2017
Location: Wilmington, NC
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Posted: 23 Sep 2019 at 5:51am |
Use anti-seize on the bolt threads just in case you or somebody else ever needs to work on it again. 
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Lon(MN)
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Joined: 11 Sep 2009
Location: Merrill Wi
Points: 2003
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Posted: 23 Sep 2019 at 6:48am |
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If you need parts I have several of these tractors apart and on the shelf. Just parted another last week. Located in Elk River MN. lselkriver@gmail.com
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