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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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Posted to rec.crafts.metalworking,sci.electronics.repair
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oh turds! compressor motor starting cap's 'blown out' but it's a"non-standard"
my ancient 4hp sears craftsman air compressor needs a starting
capacitor, I've determined (through a process of elimination). I still have the original owners manual, and the capacitor is "part of the motor", not shown in the parts blowup, or parts list, as a seperate orderable part. further, the friggin' thing seems to be a 'non-standard' mfd rating, too (it doesn't 'fall into' any capacitor size-groups of any maker's starting cap's I can find online. matter of fact, it's not even close): the one in it now is 110 volt, 485-580 mfd mallory #139852-49 seems a slightly non-standard SIZE as well: diameter: 1 13/16ths inch, and length, overall, excluding 'spades': hair over 4 5/16ths (but clearly under 4 3/8ths) atttempts to locate same by the mallory part number on it entirely unsuccessful. so (physical size and 'look' issues aside) can I "daisy chain" two cap's and achieve the same net effect, somehow? appearance "not an issue", I just need a working compressor. I know I can replace the cap with a higher voltage cap, and that'd be fine (maybe even desireble) but what about the mfd rating? if I must, is it best to go 'bigger mfd numbers' or lesser? thanks for tips on this, guys :-) |
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