Question about Saws
Where can one purchase replacement carbon brushes for the Ryobi AG402 angle grinder?
Mabe Ryobi is a source or can suggest a source
Posted on Jul 13, 2013
You can have my brushes. They are .5025 and .5090 inches. A little light sanding and they're good as new.
The rear bearing started shooting ball bearings into the armature, so no more grinder.
Contact me. I'll mail them to you.
Posted on Nov 13, 2016
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Posted on Jan 02, 2017
You should be ablt to find it at anylowes or home depot.If for some reason thet do not have one I would call the local industrial distributor like grainger or msc
Posted on Dec 04, 2008
The Grinders are made by TTI they will be able to get you replacement brushes. But to be perfectly honest its not worth repairing a 4" Ryobi they have a rather short lifespan and are not balanced very well. The cost of brushes and shipping may be very close to that of a new grinder, espicially if you need a new armature.
TTI can be found here:
Posted on Jan 06, 2010
Yes, the rock dust is what's destroying your brushes and armatures. It gets sucked into the rear vent slots and gets to those parts and eats them away quickly. I don't know of any vacuum systems make by Makita but there are some companies that make them for their systems. Blastrac is one that comes to mind but they can be real expensive systems. I don't know of any grinders with sealed brush/armature systems, they have too much heat to disipate. To make your Makita grinders last longer make sure you are cutting with the side of the blade that directs the dust away from the case and try to have a strong airflow blowing the dust away from the grinder to minimize the dust taken in at the back of the grinder.
Posted on Aug 23, 2010
Heyglmars, most times you can take your old brushes to a westlake hardware store, they have a very good selection of brushes in stock. good luck snoe38
Posted on Mar 21, 2011
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