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replacing motor shafts on can motors ??? Locos and rolling stock
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Super User 1,071 posts Kirk W kirkifer Super User 1,071 posts
Kirk W kirkifer

Does anyone out there know how or even know if it is possible to replace a shaft on a can motor? I went to a train show and found a box of junk. In that box was a mashima motor which runs fine. One of the motor shafts was cut and will not hold a flywheel. Does anyone know if I can replace the shaft ? Are there any blogs or videos showing how this is done?

 

Thanks.
Kirk Wakefield
Avon, Indiana
 

 
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DKRickman Prolific poster 3,069 posts
DKRickman

Probably not

My first reaction is, it's not practical.  The shaft is sort of integral to the armature, and replacing it is a job for someone with some decent skill and tools and patience - not a typical diy job.

My second reaction is, if it has enough of a shaft to accept a universal joint, you may not need a flywheel.  Or, if you must have a flywheel, mount it on it's own shaft on bearings, rather than directly to the motor shaft.  It's more work, more parts, etc. but it may be the only practical way to utilize this motor.

Ken Rickman

Danville & Western HO modeler and web historian

http://southern-railway.railfan.net/dw/
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Larry of Z'ville Frequent poster 984 posts
Larry of Z'ville

Does it have one fly wheel

or the opposite shaft can hold one fly wheel.  If so, and the cut shaft is as Ken said, then you will be good to go.  A number of early models only had one fly wheel.  I think Micro Mark and NWSL have drive shafts that will complete the installation.

Larry

So many trains, so little time,

Larry

check out my MRH blog: https://model-railroad-hobbyist.com/node/42408

 or my web site at http://www.llxlocomotives.com
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ctxmf74 Super User 15,990 posts
ctxmf74

"Does anyone out there know

Quote:

"Does anyone out there know how or even know if it is possible to replace a shaft on a can motor? I went to a train show and found a box of junk. In that box was a mashima motor which runs fine. One of the motor shafts was cut and will not hold a flywheel. Does anyone know if I can replace the shaft ? Are there any blogs or videos showing how this is done?"

     I used a lot of Mashima motors in the old days but I can't recall ever trying to take one apart. Even if it's possible I imagine you'd have a hard time finding a replacement armature at a price that would make it worth the trouble. Maybe you can find a double shaft version on ebay then sell your single shaft version to someone who doesn't need both shafts? ....DaveB

1990.jpg 
Read my blog
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