Question about Makita 9005B 5" Electric Angle Grinder

1 Answer

How to fix makita 5" grinder

I have a amkita 5" angle grinder and evrytime i pull the trigger there's a sparks coming from inside.

Posted by Anonymous on

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  • 458 Answers

It is time to replace the trigger switch.

Posted on Sep 04, 2014

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: something wrong with the armature

If the armature is shot, it will spark a lot where the brushes are touching the armature comutator. To remove the armature:1 Remove brushes. 2 Remove 4 screws holding the gear box. 3 Pull away gear box from the body. The armature may come with the gear box or not, it's only pushed in, so you should have no problem to disassemble it. If the armature stay in the grinder, use two skrew drivers to pray it out. You may not see anythink wrong with it, but it may be no good . That's Makita special, they don't make it good as they used to. The price for new grinder is about $130, for armature $65. field $40

Posted on Mar 08, 2009

  • 142 Answers

SOURCE: 7" makita grinder stated to smoke cleaned it all

sounds like it needs new brushes

Posted on Jun 13, 2010

  • 313 Answers

SOURCE: Makita Angle Grinder not working

check inside for any loose connections plus check the brushes. if like you say it is smoking it could be a trip to the wheelie bin for that one.

Posted on Jul 29, 2010

  • 118 Answers

SOURCE: How do you get to the inside of a makita 4.5"

there is a screw in the bottom of grinder next to the power cord, that's all you have to take.
(althought I don't know the model of your grinder, the most of makita brands have the screw right there) good luck!

Posted on Jul 02, 2011

  • 39 Answers

SOURCE: replacing the gear on makita angle grinder

Are you replacing both gears? The armature gear (pinion) is usually held on with a nut or else is pressed on. The spindle gear is also pressed on. Most spindle gears will come as an assembly with the gear and spindle and housing all together.

If yours doesn't, then the spindle will need to be pressed out of the housing, and then the gear pressed off of the spindle. (Always replace the grease as well when replacing gears.)

Posted on Apr 24, 2012

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1 Answer

Makita ga9020-230 making grinding noise and then starting flicking sparks even after replacing the brushes, please help


It sounds like the armature is shot. When the armature goes bad you will see excess sparking from the brushes.

Jul 04, 2011 | Makita GA9020 Angle Grinder

1 Answer

How do you get to the inside of a makita 4.5"


there is a screw in the bottom of grinder next to the power cord, that's all you have to take.
(althought I don't know the model of your grinder, the most of makita brands have the screw right there) good luck!

Jul 02, 2011 | Makita Saws

1 Answer

How do I change th4e3 brusheson a Makita grinder?


If it is the one listed in the header 9005B first unplug the tool and then get a good screwdriver and you will find 2 brush caps that need to be removed and pull the brushes out, Be careful not to crack the brush caps and if you do think about replacing them. Let me know if you need more assistance.

Mar 30, 2011 | Makita 9005B 5" Electric Angle Grinder

1 Answer

Makita Angle Grinder not working


check inside for any loose connections plus check the brushes. if like you say it is smoking it could be a trip to the wheelie bin for that one.

Jul 29, 2010 | Makita Angle Grinder 4.5" 9524NBX

1 Answer

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

1 Answer

New 4" angle grinder does not come with sanding disc pad


You need the 4" rubber pad, Makita Part #743009-6. It can be found on websites like www.ereplacementparts.com.

May 23, 2010 | Makita 9553NB 4" Angle Grinder

2 Answers

Armature problems


Unplug tool and then remove the brush caps and brushes, at the front of the tool are 4 screws that need to be removed after removing them you might have to pry the gearcase from the motor housing and then it should just pull out if there is no problems with the field having been hot and melted. Let me know if you need further assistance

Mar 06, 2009 | Makita 9005B 5" Electric Angle Grinder

1 Answer

Something wrong with the armature


If the armature is shot, it will spark a lot where the brushes are touching the armature comutator. To remove the armature:1 Remove brushes. 2 Remove 4 screws holding the gear box. 3 Pull away gear box from the body. The armature may come with the gear box or not, it's only pushed in, so you should have no problem to disassemble it. If the armature stay in the grinder, use two skrew drivers to pray it out. You may not see anythink wrong with it, but it may be no good . That's Makita special, they don't make it good as they used to. The price for new grinder is about $130, for armature $65. field $40

Mar 06, 2009 | Makita 9005B 5" Electric Angle Grinder

1 Answer

Can't get grinder to turn on. Checked brushes, cord, trigger/switch. Any suggestions?


Did you check continuity to the field/brush holders. They have a garter spring that sometimes became overheated and broke. It seems like you have done everything else. Let me know

Feb 25, 2009 | Makita 9005B 5" Electric Angle Grinder

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