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Repair Parts Home  Power Tool Parts  Makita Parts  CB458 Carbon Brush

Carbon Brush

Part Number: CB458
Makita
Availability: 20 in stock
Price: $3.55
Quantity:
Order within the next 7 hours
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*This part replaces obsolete part #: 195025-8 and 194721-5.

Description:
Genuine Makita replacement part
Set of 2 Carbon Brushes with wire lead 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: CB458
Classification: Part
Weight: 0.01 lbs.
Shipping: Ships Worldwide
Repair Guides
Products Compatibility

This item works with the following types of products:

  • • Grinder
  • • Multi-Tool
Questions & Answers

What are the caps that hold the brushes
Ramon
Hello Ramon, thank you for your question. The brush holder is part number Brush Holder 6X9 Part Number: 643839-4. I hope this helps!
Repair Instructions: Submitted by Customers Like You
2 of 2 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Armature Assembly 115V - 517646-0
Carbon Brush - CB458
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Wrench Set, Hammer, vise
Armature burnt up where brushes make contact
Removed handle this is held on by 4 screws and it allowed me to see burnt armature . Removed 4 more screw to separate head and gear assembly. Removed nut at the top of armature to release gear and pull top of armature through head assembly. Released spring tension on brushes disconnected brush wire contact and pulled brushes out and replaced installed armature back into head assembly reinstalled gear nut and put handle back on then released brushes installed 4 screws.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
2 of 2 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Armature Assembly 115V - 517646-0
Carbon Brush - CB458
Repair Difficulty:
Medium
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, 10mm open end wrench
Armature was missing a big section
Remove grinder head, remove brush cover, (1 screw at cord end) remove 10mm nut from head end. Remove both brushes. Install new armature, install grinder head, install new brushes, install brush cover. After all that, I turned on and it jerked 2 times, tried to start. But failed. I then removed brush cover & inspected brushes. I could see the brush holders were bent, possibly from hitting the old armature section. Slightly adjusted brush holders so brushes would contact armature all the way. Reinstalled & it worked great!
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Tool Type:
Grinder
Parts Used:
Armature Assembly 115V - 517646-0
Carbon Brush - CB458
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Wrench Set, 90 degree pick to pull back brush springs.
Armature and brushes were burnt out.1
1. Opened up Makita grinder.
2. Removed 10mm but to separate armature from drive gear.
3. Removed both brush hold down springs with pick.
4. Removed both brushes.
5 Removed armature.
6. Installed new armature.
7. Installed brushes and placed hold down springs onto brushes.
8. Installed drive gear and nut on new armature.
9. Closed up grinder housing.
10. Tested grinder which worked great.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
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