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Crankshaft pulley removal
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Crankshaft pulley removal
Does anyone know the procedure for removing the crankshaft pulley? We have removed the front wheels at the timing cover plate, but can't figure out how the crankshaft pulley is fastened.
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- Team Cub Mentor
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It's not fastened, it's a friction fit. If you search the message archive with the key words crankshaft pulley you should find several posts on the topic. Basically - make sure you use a good puller, use a backer plate behind the pulley - do not pull against the flanges, they will break, and you may have to apply some heat in order to get it off. Soak with penetrant. Check the article at the link:
http://www.cleancomputes.com/Cub/Maintenance%20Tips%20and%20Techniques/Crankshaft%20Pulley%20Removal/Crankshaft%20Pulley%20Removal.htm
http://www.cleancomputes.com/Cub/Maintenance%20Tips%20and%20Techniques/Crankshaft%20Pulley%20Removal/Crankshaft%20Pulley%20Removal.htm
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.
My wife says I don't listen to her. - - - - - - - - Or something like that!
http://www.cubtug.com
If you can't fix it with a hammer, you've got an electrical problem.
My wife says I don't listen to her. - - - - - - - - Or something like that!
http://www.cubtug.com
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- 10+ Years
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- Joined: Tue Dec 14, 2004 6:28 pm
BigDog is right. I understand that there's a special puller made just for these, but I've never seen one. When I pulled mine, I used a very strong bearing puller with a new backing plate, large bolts and plenty of careful alignment...it came off in three heartbreaking pieces. The problem was that, despite my best efforts, the puller got just VERY SLIGHTLY off center, contacted the rim and busted it. This was because I didn't watch the timing pointer...it got in the way of the puller and threw it off a little. Removing the pointer is an option...it's a press fit and you'll mark it up, but it will come out if you're careful. Getting it back in is your baby.
These cubs never grow up
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Here's a link to a puller I made after I broke a 5 ton gear puller. The notch in the backing plate is small enough it pulls against the thick part of the hub without touching the falnge.
http://www.farmallcub.com/phpBB2/viewto ... ley+puller
http://www.farmallcub.com/phpBB2/viewto ... ley+puller
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- 10+ Years
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Gear puller John *.?-!.*
Wow! What a great rig! How thick is that steel you used for the brackets? I'm going to attempt a copy of your rig. Thanks!
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- Cub Pro
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- Joined: Sun Feb 02, 2003 2:09 pm
- Zip Code: 63664
- Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
- Location: Mo, Potosi
The backing plate is 1/2 inch steel. I used 3/4 inch threaded rod for the boltw, though smaller would work. don't remember without going to the farm and looking what the frame the jack rests on is made of. You will need either 1/2 x 13 grade 5 or harder bolts of 2 or 3 differetn lengths (4, 7 inch) to screw into the end of the crankshaft for the jack to push against. The shop that made mine said he would make the brackets for $35 plus shipping if anyone else wanted them.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- 10+ Years
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- Location: Weatherford, Ok
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- Team Cub Mentor
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Io - heat the pulley in a 250 degree oven for at least 30 minutes. Thread a 1/2 all thread rod into the end of the crankshaft. Place the heated pulley on the shaft,follow with a backer plate and then a draw-nut and pull it onto the crankshaft.
Bigdog
If you can't fix it with a hammer, you've got an electrical problem.
My wife says I don't listen to her. - - - - - - - - Or something like that!
http://www.cubtug.com
If you can't fix it with a hammer, you've got an electrical problem.
My wife says I don't listen to her. - - - - - - - - Or something like that!
http://www.cubtug.com
-
- 10+ Years
- Posts: 382
- Joined: Sun Jun 13, 2004 10:18 am
- Location: Weatherford, Ok
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