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 IT ISN'T THE STUDENT'S JOB TO DISCIPLINE OTHER STUDENTS. That's why God invented mentors. Let them do their jobs. - Collin Fultz [more] |
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Excellent way of removing the pesky Minibike motor pinion from the shaft. The perfect tool is what is called a nut splitter, used for breaking rusted nut off bolts. Turning the bolt on the back forces the chisel edge until the nut splits in two. It took ten turns to force the wedge in between the teeth of the pinion. The nut spllitter does a much better and cleaner job than heating the shaft and using a gear puller.
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08-01-2007 00:26
Tytus Gerrish
Re: pic: Useful Tool
very impressive. when i tried getting that off last year i was blasting it with an acetylene torch and trying to smash it off with a hammer. but then again i was trying to save the pulley. thanks for the picture
08-01-2007 00:36
zander_108
Re: pic: Useful Tool
thats quite something! I admire your mechanical creativity 
08-01-2007 00:42
Rohan_DHS
Re: pic: Useful Tool
Excellent discovery! I think we broke one of the two motors trying to remove it last year 
08-01-2007 00:53
AustinSchuh
Re: pic: Useful Tool
Clever. We broke our gear puller trying to remove the pulley from ours. We ended up grinding the pulley off.
08-01-2007 01:10
Ted Boucher
Re: pic: Useful Tool
The pulley is only secured to the output shaft by strong glue, and all it takes is a heat gun, pliers, and someone pulling for it to come off.
See this thread ( http://www.chiefdelphi.com/forums/sh...light=heat+gun ) there is no need to take the risk of hurting the motor by breaking the pulley like that and there is no need to buy a custom tool to remove the pulley.
08-01-2007 01:46
Elgin Clock
Re: pic: Useful Tool
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Originally Posted by Ted Boucher
The pulley is only secured to the output shaft by strong glue, and all it takes is a heat gun, pliers, and someone pulling for it to come off.
See this thread ( http://www.chiefdelphi.com/forums/sh...light=heat+gun ) there is no need to take the risk of hurting the motor by breaking the pulley like that and there is no need to buy a custom tool to remove the pulley. |
It works like a charm.
Thanks again Paul, your knowledge proves helpful even one year later.
08-01-2007 01:48
Gabe
Re: pic: Useful Tool
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Originally Posted by Ted Boucher
The pulley is only secured to the output shaft by strong glue, and all it takes is a heat gun, pliers, and someone pulling for it to come off.
See this thread ( http://www.chiefdelphi.com/forums/sh...light=heat+gun ) there is no need to take the risk of hurting the motor by breaking the pulley like that and there is no need to buy a custom tool to remove the pulley. |
08-01-2007 01:56
Tri_Lam
Re: pic: Useful Tool
not sure but i think we just pulled it off last year (we had a couple seniors that were varsity foot ball players)
08-01-2007 19:04
eshteyn
Re: pic: Useful Tool
Or instead of splitting it you can make a large gear puller like we did, i cute a piece of 3 inch aluminum stock, machined out a groove, tapped it and then put a 8 inch I-bolt into the tapped hole. Easy to make, can be re-used as much as needed, and will not do any damage to the motor or pulley. For any questions on how to make this giant gear puller please fell free to contact me on aim at etakto738 or on gmail at eshteyn375@gmail.com
08-01-2007 21:20
Moose
Re: pic: Useful Tool
When my students took that sucker off last year, they used a heat gun, really hot for quite a while, then I think they pulled it off fairly easily with a pair of pliers. Then once it was cooled we used some acetone or methanol to clean off the shaft.
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