Re: HP-67 card reader Clutch BAD JOB Message #3 Posted by David Smith on 23 Mar 2003, 4:12 p.m., in response to message #1 by Michel Beaulieu
The "clutch" is apparently made of nylon. If it is completely gone, then your best bet is to find some nylon rod of the right size (try Small Parts, Inc). Cram it in the drive gear, cut it to length, chuck it up in a GOOD micro lathe or mill, and drill a new hole for the motor shaft. I had a friend who used to do this for me, but he sold his tools and moved.
If the clutch is somewhat intact you can try gluing it to the motor shaft. Clean the motor shaft well with alcohol to remove any oil. I then dip a resistor lead in a rubbery superglue called IC1000 (or is it IC2000) Tire Cement (Hobbytown has it). Wiggle the stuff around in the clutch hole, and stick it on the motor shaft. You don't want too much glue in the hole because it may prevent the gear from being inserted all the way onto the shaft. Also make sure you don't get glue into the motor bearings.
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