Leica LTM Help with slow speed dial knob issue?

Leica M39 screw mount bodies/lenses

JRedW

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Joined
Apr 28, 2020
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Hi there,

I've recently picked up a iiic in lovely condition and it's all been smooth sailing apart from one slight issue. The knob for the slow speed dial unscrews whenever I adjust the dial anticlockwise and upon having a closer look it seems the small screw, securing the turning knob to the dial, is broken.
It seems to have succumbed to age and is rusted/decayed, with it shorn in two pieces; one half of each being stuck in the hole in both the dial and the knob.

I have had quite the time of it so far trying to source a screw for it and I'm not even able to accurately find the measurements with the equipment I have at home.

Additionally, I'm not quite sure how to go about removing the old residual screw fragments.

I'm guessing cla will sort this however it would be nice to be able to fix at home if possible given that the camera is otherwise in fantastic shape. It's not stopping me using the slow speed dial per se but it is making things a nuisance and I need to exert more force than I feel comfortable using to turn the dial.

Any advice would be appreciated!
 
DAG Cameras might have the set screw you need.

I've made it a point to harvest small screws from dead watches specifically for this reason ;)

For removing broken or stripped screws I use a Dremel tool with a small dental drill bit. I cut a small groove across the remains of the screw so I can grab it with a watchmakers screwdriver
 
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