Question about Dewalt DW788 Heavy Duty 20" Variable Speed Scroll Saw: DW7881 Worklight
Blowing fuses is not caused by brushes unless there is a huge spark show going on and if that is the case your armature will be trashed as well - the electronic module in that saw is notorious for failure and that is where I would start
Posted on Jun 19, 2014
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Posted on Jan 02, 2017
If you are getting voltage then it is most likely the control board. You would need to take it into a repair service center and they would have to pull the whole thing down to repair.
Posted on Feb 25, 2009
the armature needs to be cleaned or it is possibly bad (open bars) They make a special cleaning stick called a commutator stone that you might be able to purchase at a local repair shop. If you are not comfortable trying this I would recommend taking the saw with you, To clean properly you have to remove a cover and have the saw running, I would also check for proper movement in the brush tube allowing the brush to freely contact the armature. Let me know if you need more assistance and I will try and help.
Posted on Nov 13, 2009
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