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百度
蘇州硫化機 油壓機維修
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樓主  發(fā)表于: 2011-02-18 21:52

 [b]有一臺設備三相馬達2.2KW，接觸器前面有3保險，是老式的陶瓷保險座。經(jīng)常保險座炸掉，保險也會(huì )燒掉.換上新的就可以使用。過(guò)不了幾天就又爆了。馬達沒(méi)有問(wèn)題，線(xiàn)路也是好的。大家幫我分析一下。
再見(jiàn)理想
雖然時(shí)間很遙遠，但從未停止過(guò)。
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1樓  發(fā)表于: 2011-02-22 18:46
保險虛接，長(cháng)時(shí)間后發(fā)熱。
[img]Http://wyqpyx.com/attachment/Mon_2311/18_25997_2865e2881f154e3.jpG[/img]

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