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Repair Parts Home  Power Tool Parts  Makita Parts  CB441 Carbon Brush Set

Carbon Brush Set

Part Number: CB441
Makita
Availability: 25+ in stock
Price: $4.67
Quantity:
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*This part replaces obsolete part #: 643429-3, 191976-3, 94435-6C, 195022-4, 194435-6 and 191970-5.

Description:
Genuine Makita replacement part

Set of 2 Carbon Brushes with wire lead and brush spring attached.

• Worn brushes are often the cause of a poorly running motor
• Replacing brushes can fix an intermittent motor
• New brushes can restore a motor’s electric braking


Carbon motor brushes are one of the most commonly replaced power tool components.  Because carbon brushes are wear items, meaning that through friction and use they will gradually wear away, they will eventually require replacement.  Worn brushes are common causes of intermittent motor function, reduced electric braking, and reduced motor power.  A worn out brush will often be worn down near the wire lead and may be cracked, pitted, or burned.  When replacing carbon brushes, be sure to also inspect your armature for burns, cracks, or other damage which indicates a larger motor problem.

Product Information
Manufacturer: Makita
Product Number: CB441
Classification: Part
Weight: 0.01 lbs.
Shipping: Ships Worldwide
Related Products
Compatibility

This part is compatible with the following machines:

Makita

Products Compatibility

This item works with the following types of products:

  • • Circular Saw
  • • Impact Driver
  • • Impact Wrench
  • • Jig saw
  • • Miter Saw
  • • Reciprocating Saw
  • • Rotary Hammer
  • • Saw
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Questions & Answers

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Repair Instructions: Submitted by Customers Like You
2 of 2 people found this instruction helpful
Tool Type:
Circular Saw
Parts Used:
Carbon Brush Set - CB441
Switch TG73BD - 651976-0
Holder Cap, BJR182Z - 643829-7
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Was using saw and it just quit.
The repair involved removing several Phillips screws to open the case. Two are longer so note where they go. The only minor difficulty involved removing the brush caps as they were really fried on so plan on replacing them. The old brushes were in pieces, the switch tested good but since I had it apart decided to swap it out as well. Put it back together and wow runs like new! The possible diagnosis on the website made the repairs simple and inexpensive.
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1 of 1 people found this instruction helpful
Tool Type:
Circular Saw
Parts Used:
Carbon Brush Set - CB441
Brush Holder Cap - 643941-3
Brush Holder - 643813-2
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
Saw smoked and stopped working
Removed cover, disconnected caps, brushes and holders, replaced with new parts.
Much easier then expected and saw functions like new.
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1 of 1 people found this instruction helpful
Tool Type:
Circular Saw
Parts Used:
Carbon Brush Set - CB441
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Would not run.
Removed old brushes. Apparently they had swollen/enlarged over time and I had to really pull on them with pliers to get them out. Saw is 12 years old but has never been wet.

Installed new brushes. The new ones slipped right in.

Saw runs like new now.
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Tool Type:
Circular Saw
Parts Used:
Carbon Brush Set - CB441
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Replaced broken brushes in a 6 1/2" circular saw
Simply removed old brushes and installed the new ones. Thank you very much.
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Tool Type:
Circular Saw
Parts Used:
Carbon Brush Set - CB441
Holder Cap, BJR182Z - 643829-7
Armature - 510095-0
Repair Difficulty:
Hard
Time Spent Repairing:
More than 2 hours
Tools Used:
Screwdriver, Pliers, Multi tool remove brush caps, other small tools.
Brushes deteriorated and froze -- saw lost power
1. Opened the back of the saw with brushes. Brushes were frozen and melted.
2. Using multi tool and small blade carefully cut open the brush caps and removed them. They were melted into the brush holder.
3. Realized that I would need to destroy the brush holders to get the remains of the brushes out of the unit. So I set the unit aside and ordered a set of brush holders.
4. Opened the saw unit as described in a video. Removed the armature. The armature maybe is ok. Replaced it anyway.
5. Carefully removed the two brush holders making sure I knew the black(negative) side and the red(positive) side. Take a picture if needed so you get the correct brush holder in the correct side of the unit.
6. Insert the new brush holders. Wire them back to where the old ones were attached.
7. Insert the new armature unit.
8. Close up the unit and put the cap back on the brush side of the unit.
9. Insert the new brushes. Pay attention to the curvature to align it with armature correctly. Should only got into holder one way(rectangular in shape).
10. Screw on the brushes cap. Rotate the blade by hand (no battery in unit) and make sure blade turns freely. If not, check your brushes to make sure they are correctly inserted.
11. Put a battery in the unit and try it out.
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Tool Type:
Circular Saw
Parts Used:
Carbon Brush Set - CB441
Brush Holder Cap - 643941-3
Brush Holder - 643814-0
Safety Cover - 419280-1
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers, Wire strippers
Positive brush housing melted due to heavy work load.
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Tool Type:
Jig saw
Parts Used:
Carbon Brush Set - CB441
Holder Cap, BJR182Z - 643829-7
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Jig saw quit working, worn out brushes
Removed the brush caps and the worn brushes. Installed the new brushes and then installed the new brush caps.
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Tool Type:
Circular Saw
Parts Used:
Carbon Brush Set - CB441
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Worn brushes.
Replaced the old brushes with the new ones.
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Tool Type:
Circular Saw
Parts Used:
Carbon Brush Set - CB441
Brush Holder Cap - 643941-3
Brush Holder - 643814-0
Brush Holder - 643813-2
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
, Phillips screwdriver, wire stripper and small screwdriver
My saw was borrowed so I'm not sure the symptoms. I do know the brush holders, the brushes and the caps melted all together to the casing.
My saw was borrowed so I'm not sure the symptoms. I do know the brush holders, the brushes and the caps melted all together to the casing. Being the casing is harder than surrounding, it was relatively easy to pull apart. I removed all Phillips screws in order to separate the casing to access end connection of the brush holders. Unscrewed red wire and replaced with new. I removed the wire crimp tying together the black wires, replaced with new brush holder black wire. Put everything back together and tested. Success!
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Tool Type:
Miter Saw
Parts Used:
Brush Holder Cap - 643941-3
Carbon Brush Set - CB441
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Needed new brushes and new brush caps
Removed the brush caps with a screwdriver
Removed the old worn brushes
Installed the new brushes
Screwed on the new brush caps
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Discussion
Discussion for Carbon Brush Set - ( CB441 )
Discussion is closed. To ask our experts a question about a part, use the Q&A feature.
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