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crwdns2934241:0crwdne2934241:0 Kevin Sargent

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The service manual is available (I looked). But I’d make sure I’ve got real 220 VAC on the power in. Humming motors are usually under excessive load or are under powered. Losing 1 leg of the 220 could easily be the issue.  Check the easy stuff first. Good Hunting <<<)))

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open