Problems concerning HP 82104 card reader - Printable Version +- HP Forums (https://archived.hpcalc.org/museumforum) +-- Forum: HP Museum Forums (https://archived.hpcalc.org/museumforum/forum-1.html) +--- Forum: Old HP Forum Archives (https://archived.hpcalc.org/museumforum/forum-2.html) +--- Thread: Problems concerning HP 82104 card reader (/thread-229685.html) |
Problems concerning HP 82104 card reader - Edward Cheng - 08-21-2012 I had plowed through all previous posts, but unfortunately none of them matched the symptoms of my HP 82104 card reader. (That of HP 41C) Re: Problems concerning HP 82104 card reader - Luiz C. Vieira (Brazil) - 08-21-2012 Hi. I assume you have already red this thread as well, so the correct external diameter pointed out by Randy (last follow-up) should be 6.35mm. Also, there is the pulling gear issue. It's been discussed some points about how should the pulling gear be connected to the motor shaft, and the use of flexible, silicon-based glue or rigid glue has been considered. In any case, chances are that the gear is not firmly connected to the motor shaft if it is spinning freely. I could not locate the other threads about this subject. Not so much of a help, sorry!
Luiz (Brazil)
Re: Problems concerning HP 82104 card reader - Edward Cheng - 08-21-2012 Thanks for fast reply!
Re: Problems concerning HP 82104 card reader - aj04062 - 08-21-2012 I think you need to rebuild the coupling. A drop of super glue will prove if it is slipping or not. While it may work for a bit, it is probably not a long term solution.
Geoff recommended a piece of outer jacket from an iPod headphone. I use that with some small wire insulation and it works great. I usually apply a little adhesive when layering these together.
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