brand new skill 77 mag skillsaw is eating brand new brushes immediately when the trigger is pulled these are oem brushes and installed correctly there is a lot of sparking the armature looks fine but sum ting wong.
there must a manufacturing defect on the armature..either there is a burr or one of the copper contact plates is rough or seated incorrectly.
if it is still new, you should be able to return it.
Brian M.
December 2012
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