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Repair Parts Home  Power Tool Parts  Makita Parts  CB325 Carbon Brush Set

Carbon Brush Set

Part Number: CB325
Makita

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Price: $4.67
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*This part replaces obsolete part #: and 194074-2.

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: CB325
Classification: Part
Weight: 0.01 lbs.
Also Known As: Motor Brush Set
Shipping: Ships Worldwide
Repair Guides
Articles:
How to Replace the Carbon Motor Brushes on a Makita Grinder
Brushes Worn Out? Learn to remove and install the carbon motor brushes on your Makita grinder. Step-by-step instructions...
November 24, 2015
Products Compatibility

This item works with the following types of products:

  • • Grinder
  • • Rotary Hammer
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
7 of 7 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Torx bit T15
Worn out brushes
Opened rear casing of unit to expose brush holders on each side. Lifted spring that holds each brush and pulled out worn brush and replaced with new brush. Repeat for other side.
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3 of 3 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
Brushes were worn out
Removed the rear cover and disconnected the old brushes and replaced the old ones. Easy job
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2 of 2 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Armature Assembly 115V - 515616-3
Carbon Brush Set - CB325
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
Screwdriver, Pliers, O-ring hook
Brushes wore out, unit smoking heavily
1. Noted position of all components as per the schematic provided on website.
2. Disassemble all screws to remove cover and output gear assembly.
3. With needle nose pliers carefully remove carbon brush set slip on connector. Place pressure spring to one side allowing removal of brush.
4. Pull armature out. If rubber retaining gasket remains in unit and doesn't come out with the armature and attached to the bearing, take a gasket hook removal tool and remove the grommet being careful not to damage it.
5. Place the grommet on the end bearing.
6. Insert the armature assembly with grommet into the grinder body placing the grommet into the socket inside the grinder body.
7. Attached carbon bushings into their respective positions.
8. Place pressure springs back into their correct original positions.
9. Reassemble grinder body in the reverse sequence.
10. Plug grinder in. Turn on and test.
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1 of 1 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Medium
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Excesive sparks from brushes
Open housing and disconnected the wires, then installed the new brushes.
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1 of 1 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Brushes wore out.
Remove the back cover and replace the brushes.
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2 of 3 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers
Brushes worn out
1. Took old out
2. Put new in
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2 of 3 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Brush Holder - 643760-7
Tapping Screw Bind PT3X10 - 266007-8
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Brushes worn out
Remove rear cover. Remove the brush holder by removing the screw that holds it in. Remove brush by disconnecting terminal. Insert the new brush holder in the same place of the old one. Place new brushes in the holder and release spring to hold brush in. Reconnect the new brush terminal. Then place the rear cover back on.
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2 of 3 people found this instruction helpful
Tool Type:
Grinder
Parts Used:
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Motor brushes were worn and arching.
Remove the rear housing casing, polished armature and replaced the brushes. Put it back together. Works like new.
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Tool Type:
Grinder
Parts Used:
Armature With Bearing and Fan - 515611-3
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Wrench Set
broken carbon brush and burnt armature
Removed the grinder casing, removed burnt armature and replaced with the new one, dropped the new carbon brush in place of the broken one,. Installed the body casing , head and a few screws and it run like the day it was purchased. Thanks eReplacementParts.com! I will be a repeat customer...
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Tool Type:
Grinder
Parts Used:
Armature With Bearing and Fan - 515611-3
Carbon Brush Set - CB325
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Small pick tool
intermittent running, noisy
Removed rear cover (1 screw), removed angled drive head and pinion gear (4 screws), removed brushes (pick), removed armature from large bearing housing, removed small bearing cover (important, as it was stuck inside the tool body), reinstalled large bearing and housing on new armature, installed bearing cover on small bearing, reinstalled assembly into tool body, reattached angled drive head and pinion gear, installed new brushes... fired right up, no issues.
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Discussion
Discussion for Carbon Brush Set - ( CB325 )
Discussion is closed. To ask our experts a question about a part, use the Q&A feature.
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