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Farmall & IHC Tractors Discussion Forum
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Keith OR, Your system works

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Hugh MacKay

03-27-2008 09:09:57




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Keith: Drilled 11/16" holes in my piece of 1" x 2" flat bar got the 5/8" all thread, and the crank pulley is on. I put the fan on with belt, looks to be placed perfect. I didn't use a hydraulic bottle jack either pulling or putting it back. I had a 1" fine thread bolt with 5" of thread with 1"+ hole through center of both puller and pusher. In the past I've had problems using bottle jacks horizontal, had two that did what I wanted at the time, but never jacked again.

Anyhow thanks for all the advice, and a special thanks to Keith. Oh, I did have the pulley hanging about a foot above a convection heater beside me untill it was warm to bare fingers. I think more folks should take a close look at Keith's photos. I'm not a mechanic, just an old farmer, but and old mechanic years ago told me, "Never hammer on a CRANKSHAFT."

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P and R Pete

03-27-2008 13:55:16




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 Re: Keith OR, Your system works in reply to Hugh MacKay, 03-27-2008 09:09:57  
I'm going to try Jim Becker's suggestion, (who stated it much more clearly than I did), which is to screw a piece of all-thread into the end of the crank, slip the warmed-pulley over that, and use a couple of big-*ss washers and a nut to draw the pulley on.
I don't want to hammer on my crank either.

Here's a pic, but to substitute all-thread in place of the bolt.

third party image

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Hugh MacKay

03-27-2008 16:45:45




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 Re: Keith OR, Your system works in reply to P and R Pete, 03-27-2008 13:55:16  
Pete: I don't think my crank is threaded, bear in mind I'm not taking the pulley off to prove the point, especially since I have the whole front end back on the tractor. When I took it apart, I dug around with a small screwdriver, and I got to say it's got a centered cone only for putting in a lathe.



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P and R Pete

03-27-2008 14:01:28




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 Re: Keith OR, Your system works in reply to P and R Pete, 03-27-2008 13:55:16  
PS- then there's no pressure at ALL on the crank, as would be with the bottle jack. It's all on the all-thread.

Even if it IS 'much ado about nothing'.



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Greg-N-ca

03-27-2008 09:43:25




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 Re: Keith OR, Your system works in reply to Hugh MacKay, 03-27-2008 09:09:57  
Hugh,

Did you take any pictures while installing the pulley? I'd like to see the set up you had with the 1" bolt. Thanks, Greg



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Hugh MacKay

03-27-2008 17:04:30




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 Re: Keith OR, Your system works in reply to Greg-N-ca, 03-27-2008 09:43:25  
Greg: I'm not much of a photo guy. Basically if you take Keith's photos and diagrams, all I did was replace the jack with the 1" fine thread bolt. I drilled a 1"+ hole through cross member where base of jack sits in his photo, put the head of the bolt against pulley putting it on. Taking it off, I used a 3/4" bolt 4" long in through the pulley and put head of 1" bolt against that.

Jim Becker and Pete suggest putting a 5/8" coarse thread bolt in threaded end of crank for pushing pulley back on. I had my pulley warm enough that it was just comfortable for bare hands. The crank was cold from unheated building and we had frost last night. When I consider the pressure I put on a 1-5/16" spanner wrench on the 1" fine thread, I don't think I'd want to try it with 5/8" coarse. I don't think 5/8" course would have taken the pressure.

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