9810 question and offer
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02-16-2014, 09:01 AM
Post: #13
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RE: 9810 question and offer
(02-14-2014 09:16 PM)dramsey Wrote: The card reader rollers, on the other hand, have disintegrated into that granular cork-like material I've seen before. Project for another day, but simple. There are several ways to repair the card reader (and BTW I have never seen a good original roller after all these years!). The method I use is anything but simple, but it does work, and it is likely to stay working. Basically, I strip the reader and remove the old roller hubs if I can. That needs a special puller tool that I made, any other method is likely to do damage. Sometimes the old roller will not shift without the spindle getting bent, even with a puller. Anyway, I then turn a new hub, 7/8" in diameter with 2 grooves in it for O-rings (3/4" ID, 1" OD, 1/8" thick). Fit that onto the spindle with a grub screw to hold it -- I mill a flat on the spindle for the screw to go against. Then put it all back together. Of course if the spindle was bent I have to make a new one of those too. Doing this takes an afternoon or so, but it's going to stay working, and next time the reader fails it's just a matter of changing the O-rings. Oh, I also suggest replacing the O-ring that's used as a drive belt on the reader. They do tend to slip after all these years. |
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