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Replacement carbon brushes Ryobi AG402 angle grinder

Where can one purchase replacement carbon brushes for the Ryobi AG402 angle grinder?

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You can purchase replacement carbon brushes on amazon Amazon com Ryobi carbon brushes. I hope this was helpful. cheers

Posted on Nov 28, 2014

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Mabe Ryobi is a source or can suggest a source

Posted on Jul 13, 2013

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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

brewerstool
  • 141 Answers

SOURCE: Carbon brush sizes

They are exactly the same brushes. Part number 316041640 .

Posted on Sep 15, 2009

danny_murray
  • 55 Answers

SOURCE: ryobi angle grinder broken locking nut

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

  • 382 Answers

SOURCE: I have a Ryobi 4'' Grinder Model G-1000/1150

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:

http://www.ttigroup.com/en/our_brands/by_division/power_tools_and_accessories

Cheers,

Posted on Jan 06, 2010

  • 885 Answers

SOURCE: angle grinder eats carbon brushes

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

snor38
  • 118 Answers

SOURCE: Need brushes for Clarke 41/2" Angle Grinder Model

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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1 Answer

How can i replacethe carbon brushes on my angle grinder as they are totally and completely worn off


Buy the new brushes from the manufacturer. You already have the old ones out - put the new ones in the same way you took the old ones out.

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Either your new brushes don't meet up with the armature properly or the commutator is damaged. Brushes usually 'wear in' within the first couple minutes of running. If it's getting excessivly hot you most likely have bad armature contacts and need to at least resurface the commutator or replace the armature.

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Angle grinder eats carbon brushes


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.

Jul 15, 2010 | Makita 9005B 5" Electric Angle Grinder

2 Answers

I had been using this grinder for about 2 weeks with no problems. A few days ago while using it it just popped and hasn't worked since.


These are great grinders. I have two of them. One version (more expensive one) has soft start and good overload system. Other version is basic grinder. if it (popped) most likely a short in the motor. Is it possible you got an unusual amount of grinding dust into the grinder? This grinder has a safety feature on the brushes, that keeps from burning up the armature when the brushes wear out. I doubt you've worn out a set of brushes in 2 weeks, unless you've been using it non stop. At least one of the brushes has a small plastic insulating pin inside the carbon. When the brush wears down enough to expose the plastic pin, the spring loaded pops out, lifting the brush from the armature , which opens the circuit. You could remove the brush holders and inspect the brushes. If it is 2 weeks old it is under warranty, and you should return it where you bought it.

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1 Answer

I have a Ryobi 4'' Grinder Model G-1000/1150


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:

http://www.ttigroup.com/en/our_brands/by_division/power_tools_and_accessories

Cheers,

Jan 06, 2010 | Saws

1 Answer

Carbon brush sizes


They are exactly the same brushes. Part number 316041640 .

Sep 15, 2009 | Metabo WE14-150 Quick Angle Grinder

3 Answers

Just replaced the brushes in a Metabo WE14-150Quick Angle grinder


when you replaced the brushes did you notice the tool throwing sparks? Generally when I work on these after replacing the brushes I have to clean the commutator to seat the new set. You could also have other problems, e.g. bad brush holder (did you replace as assembly or just brush) Let me know what happened to the first set and if when you plug in and try it does it come up to full speed.

Sep 12, 2009 | Metabo WE14-150 Quick Angle Grinder

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