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Stuck sprocket on 1050 Mark 7 motor


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#1 V2plus25

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Posted 26 October 2018 - 07:20 PM

Anyone experienced this before?  I loosened the set screw but the sprocket still won't move on the motor shaft.  Trying to swap it out with another sprocket.

 

Just wondering if anyone had any better ideas before I start pounding the sprocket with a hammer.



#2 warpspeed

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Posted 26 October 2018 - 09:27 PM

Heat  or puller?  


Foot in mouth and head up asshole


#3 V2plus25

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Posted 26 October 2018 - 09:52 PM

I'll try heat tomorrow.  Surely that thing isn't loktite'd onto the shaft.

 

At least in the mean time I got the swage sense installed.



#4 GuanoLoco

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Posted 27 October 2018 - 09:33 PM

I recall struggling with mine. Just keep working on it and don’t break anything, I probably used a heat gun or possibly even the wife hair dryer on it. Heat guns from harbor fright are cheap, and way cheaper than divorces fo sho.
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#5 MEISTERB

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Posted 28 October 2018 - 12:36 PM

If harbor freight has a gear puller get one...safe way to not damage anything

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#6 V2plus25

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Posted 01 November 2018 - 09:27 AM

Thanks for the suggestions.  Finally a buddy of mine and I were able to get the damn sprocket off last night.

 

The jaw puller would only hook around the front rim and very neatly pulled it right off the sprocket.  I should have gotten a puller with skinnier arms in order to have it hook around the back of the sprocket.  The one I got was heavy duty and the arms were too thick.

 

The heat gun followed by much hammering on a spare set of wrenches I had laying around were able to finally get it off.  Thankfully I don't need to reuse the old sprocket since it got pretty banged up in the process.  Also bent a few wrenches but who cares.

 

Now the machine runs up to 2400 rph with the new sprocket.  As of yet no weird noises coming from the gear box or motor, so hopefully nothing was damaged by all the hammering.


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