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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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rubber wheel HP67
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rubber wheel HP67
On Sun, 23 Dec 2012 16:35:23 +0100, "yvon.pacheu"
wrote: Does somebody know where to find a rubber wheel for HP 67 magnetic card drive or at least the exact dimension of the wheel ? You can make your own out of clear vinyl tubing: http://802.11junk.com/jeffl/pics/hp65/slides/Hp65-Drive-Roller.html http://802.11junk.com/jeffl/pics/hp65/index.html Note that the photos are for an HP65, but the HP67 is identical. Discussion on fixing the roller problem: http://groups.google.com/group/sci.electronics.repair/browse_thread/thread/6c452aaefb965189/3951d6ac0b35ee75 The roll of tubing I used is in my office. I'm on vacation for a few days and will not be able to measure it until Weds or Thurs. It's a common US size, that may not be available in France. What I did was cut the vinyl tubing to the correct length with a razor blade. Use a wooden or covered steel rod as a mandrel as cutting the vinyl will deform the tubing and result in wavy cut line. Once I had several vinyl rollers, I put them on a steel rod and roughed up the surface for better traction. Also, this is a similar drive wheel repair for the HP67 etc. http://www.ebay.com/itm/261144055395 I've tried this using similar O-rings and had little luck with it. In my case, the end O-ring would fall off and jam between the roller and the frame. Mo http://www.rskey.org/CMS/index.php/the-library/101 This shows the vinyl hose repair method, except using pink fuel line. Good luck... -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
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