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Classic Camera Repair » Archives-2005 » Canon A-1 SLR shutter release button - cosmetic repair « Previous Next »

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W. S. Scott Boyd

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Posted on Friday, September 16, 2005 - 05:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

I have a Canon A-1, 100% mint EXCEPT the little round black plastic flattened donut shaped bit ( I can send a photo) that fits on / around the female threaded cable release has 'gone away'. There are NO local repair shops. All others offered to fix it for free if I paid for a complete CLA ($80 - $150 with postage). One did sell me a whole 'new' replacement assembly for ~ $7. I don't want to risk damaging this mint SLR. Can any one give me idiot-resistant directions on how to swap the bits ?
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Glenn Middleton

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Posted on Saturday, September 17, 2005 - 01:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only) Ban Poster IP (Moderator/Admin only)

The whole button assembly just unscrews anticlockwise.However it can be tight and the only way to remove,if finger pressure and a thin piece of rubber sheet or a rubber bung do not loosen,is to purchase a flexiclamp from Micro Tools.You can make your own out of 1/8 inch plastic sheet,for a one off application.As you are replacing the damaged assembly you can use a small hose clamp to loosen it.DO NOT use a hose clamp on a mint, undamaged assembly-you will mark it.

Note that with button removed the shutter switch actuating rod is loose.It will fall out if you invert the camera.

If your 'new' assembly is marked on the painted ring,all you need to do is remove the plastic infill with a razor blade and just glue it back on your camera with a dab of epoxy, no disassembly needed.You remove the button from the shroud ring by breaking off the metal tag.This then allows you to slide the blade under the plastic infill without damaging same.

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