Are release button slop & cylinder not releasing connected?
My 640-1's cylinder release button has substantial slop or free movement. This doesn't appear to affect lock-up. But it might be connected to the cylinder sometimes not releasing for many attempts with the release button.
Should I be concerned about either quirk? If I should, please describe what I need to do to get rid of that problem. Of the two, the cylinder not releasing freely is of concern.
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