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Emerson blade removal  Rate Topic 
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 Posted: Tue Feb 9th, 2021 06:42 pm
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Malcolm MacGregor
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i watched a video on how to do this. I need to find the specific screw to lock the motor. 10 24 thread count,  2 inches long, and hardened steel. I’ve been unlucky locating one. 

Can someone offer a suggestion?

Malcolm MacGregor

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 Posted: Tue Feb 9th, 2021 07:47 pm
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Don Tener
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Where are you in Florida? Here in St Pete we have a local place that has all this stuff. It is Tricity Bolt and Screw. I know they have one.


https://www.tricitybolt.com/

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 Posted: Tue Feb 9th, 2021 09:59 pm
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Steve Stephens
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I got these in a hardware store from the multitude of slide-out cardboard boxes with all types of less used hardware.   I think there is a smaller Emerson that uses a different size than I have shown.  The size on the right is for the 12 and 16" fans.   If you can find screws that are threaded to the head it will help.   These are cap head screws in which you use an allen wrench.   Usually TWO screws can be used to lock the rotor (check you will not be screwing into the windings) in which case I would think non-hardened bolts would be adequate.  Do not use just a single soft bolt; I had one bend and couldn't unscrew it from the back of the motor.

If you need a 10 x 24 thread that must be the other Emerson size than I have.     The smaller one in my photo fits the gearbox mounting holes on my 27645.   You may have to chase the threads with a tap to clean out dirt from the threads before the screw will go in easily.



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 Posted: Tue Feb 9th, 2021 11:53 pm
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Tom Newcity
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Malcolm MacGregor wrote: i watched a video on how to do this. I need to find the specific screw to lock the motor. 10 24 thread count,  2 inches long, and hardened steel. I’ve been unlucky locating one. 

Can someone offer a suggestion?

Malcolm MacGregor
What model Emerson are you working on?????

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 Posted: Wed Feb 10th, 2021 01:09 am
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Malcolm MacGregor
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I’m in newer Port St. Lucie. Try your suggestion. Do you think a stainless steel bolt is strong enough?If so I have found it👍

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 Posted: Wed Feb 10th, 2021 01:11 am
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Don Tener
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Malcolm MacGregor wrote: I’m in newer Port St. Lucie. Try your suggestion. Do you think a stainless steel bolt is strong enough?If so I have found it👍
I think that should be fine. I personally have never used a bolt. A screwdriver through the back always worked for me?

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 Posted: Wed Feb 10th, 2021 10:36 am
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Malcolm MacGregor
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This is an Emerson JR, series 3,  1929. It does use 10 24 threads to mount the gearbox 

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 Posted: Wed Feb 10th, 2021 02:58 pm
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Steven P Dempsey
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I have done 20 or so with a medium Phillips Screw Driver, fits perfectly in the rounded holes in the rotor

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 Posted: Wed Feb 10th, 2021 06:29 pm
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Malcolm MacGregor
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Steven,This is an Emerson JR 10”. I can’t see the rotor enough to see if it has holes. However, the blade came off:clap:
Good thing I took a gearbox screw alone because I don’t have a 10 24 thread. Mine has a 10 32 thread. 
So a 10 32 machine thread, STAINLESS STEEL screw 2” long worked for me:clap::clap::clap:

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 Posted: Wed Feb 10th, 2021 10:38 pm
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Steven P Dempsey
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Ah - - OK, the Junior's are bit tougher - - never done one of those, dose it with wd-40, PB Blaster, etc.

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