symptom

motor同軸轉動,但鋸片喺墊圈上停滯或滑動,喺正常支撐切割時。

motor 同軸轉動,但鋸片喺正常有支撐嘅切割時停轉或者打滑。 1. 第一次打滑時放開扳機,等鋸片停低,拆除 motor。

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