Elgin PW-which way to loosen ratched wheel screw?

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lc130
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Joined: Fri Jul 15, 2016 4:16 am

Elgin PW-which way to loosen ratched wheel screw?

#1 Post by lc130 » Sun Nov 26, 2017 2:47 pm

Hi All,

I'm just learning the very basics at this point. I've picked up an Elgin grade 345, 12s PW on ebay. Here's more info: https://pocketwatchdatabase.com/search/ ... 7/movement

It runs for maybe a minute at most before stopping. I'm attempting to disassmble and clean it as it's terribly dirty.

I didn't get far. At the moment, I'm not able to remove the stuborn screw on the ratchet wheel. My question is whether it's lossened clock or counter clockwise? I've read that ratched wheel screws can go either way. Also, is there some type of screw treatment (oil, etc) that would help?

Many thanks

Kelly
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JerryT
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Re: Elgin PW-which way to loosen ratched wheel screw?

#2 Post by JerryT » Mon Nov 27, 2017 9:54 pm

These are usually a normal thread. The crown wheel screw, however, may be left-handed.

lc130
Posts: 30
Joined: Fri Jul 15, 2016 4:16 am

Re: Elgin PW-which way to loosen ratched wheel screw?

#3 Post by lc130 » Thu Nov 30, 2017 9:09 am

Thank you!

unreformed66
Posts: 12
Joined: Sat Nov 11, 2017 8:01 pm
Location: Ohio, U.S.

Re: Elgin PW-which way to loosen ratched wheel screw?

#4 Post by unreformed66 » Thu Nov 30, 2017 8:58 pm

The ratchet wheel screw on your Elgin is standard right hand thread, so lefty loosy (counterclockwise) to remove it. The crown wheel screw is reverse thread so you turn it clockwise to remove it. That's the only left hand thread screw in an Elgin movement.

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