Vickko
Veteran
Taking the top deck off is dead simple, but on the M7, be very careful about its static-sensitive electronics. Make sure you are working on an ESD mat.
I've done lots of M's, up to and including the M5, but not M6 nor newer.
As for the shutter dial, the M6 and M7 shutter puzzled me, as it doesn't have the normal screw that holds the dial on, like in the older M's. There might be a cover plate that needs to be carefully lifted, off the shutter dial. Then it becomes tricky, as you might bend it. The Leica service shop will have replacements.
Another item is to remember to hold the RF lever in, when pulling off the top plate, so that it clears the top deck.
Good luck.
Vick
I've done lots of M's, up to and including the M5, but not M6 nor newer.
As for the shutter dial, the M6 and M7 shutter puzzled me, as it doesn't have the normal screw that holds the dial on, like in the older M's. There might be a cover plate that needs to be carefully lifted, off the shutter dial. Then it becomes tricky, as you might bend it. The Leica service shop will have replacements.
Another item is to remember to hold the RF lever in, when pulling off the top plate, so that it clears the top deck.
Good luck.
Vick