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  CB70 Carbon Brush Set

Carbon Brush Set CB70

OEM part for: Makita

Part Number: CB70


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Carbon Brush Set - CB70:Makita 360 View
Carbon Brush Set - CB70:MakitaCarbon Brush Set - CB70:MakitaCarbon Brush Set - CB70:Makita 360 View
Usually ships in 7 - 12 business days
Leaves our warehouse within
7 - 12 business days
Easy 15-30 minutes (26 rated repairs)?
OEM: Original Equipment Manufacturer ?
Makita
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Product Description ?

Set of 2 Carbon Brushes with wire leads and brush springs attached. The set contains genuine Makita replacement parts, and comes packaged in a Makita retail box.

This brush set will fit the Makita tools listed at the bottom of the page.

• Worn brushes frequently are the cause behind a motor running poorly.
• Replacing brushes can fix a motor that’s operating intermittently.
• New brushes can restore a motor’s electric braking.


Carbon brushes are one of the most commonly replaced power tool parts. This is because carbon brushes are wear items, meaning that through friction and use they will gradually wear away until they need replacing. Worn brushes are a common causes of intermittent motor function, reduced electric braking and reduced motor power. A worn-out brush will often be worn down near to the wire lead and can be cracked, pitted, or burned. When replacing carbon brushes, be sure to inspect your armature for burns, cracks, or other damage which can indicate larger motor problems.

  • Classification: Part
  • Weight: 0.01 lbs.
  • Shipping: Ships Worldwide

Frequently Purchased Together ?

Compatibility

This part will fit the following 8 machines

Makita

N9514B Grinder View Diagrams & Manuals
9036 Finishing Sander View Diagrams & Manuals
BO5001 Random Orbit Sander View Diagrams & Manuals
9514B Disc Grinder View Diagrams & Manuals
BO5000 Sander View Diagrams & Manuals
6404 3/8" Drill View Diagrams & Manuals
Show More Compatible Models
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This item works with the following types of products:

  • Drill Parts
  • Grinder Parts
  • Jig saw Parts
  • Saw Parts
  • Sander Parts

This part replaces obsolete part #: 191914-5, 643069-7, 643070-2

Customer Part Reviews ?

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Average Rating (out of 5):
9 Reviews
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  • Working great now easy repair
    Arrived quickly waoked great
    Troy - March 17, 2023 Verified Purchase
    Exact fit parts I needed!
    Exact fit part I needed , was put back together and running in minutes!
    Scott - November 2, 2022 Verified Purchase
    Great Part
    As described. Put these carbon brushes in my 30 year old Makita Grinder, now it runs like new. I always count on EReplacementParts for the parts I can't find anywhere else.
    Dnnis - September 9, 2021 Verified Purchase
    Worked as expected.
    Correct part. Fast shipping.
    Guest - November 30, 2020 Verified Purchase
    fit correctly
    they fit right in and solved the no-work/ sparking problem on my angle grinder.
    Tam - October 15, 2019 Verified Purchase
    Received promptly.easy repair.
    Correct part, fit perfect, grinder works again!
    Guest - July 24, 2019 Verified Purchase
    Perfect fit !
    Purchased replacement parts for my Makita Grinder. The on/off switch was inoperable and the brushes worn out. Shipping was quick. Replaced the parts in minutes and was a perfect fit. Like new again!!!
    Isaac - July 13, 2019 Verified Purchase
    Refurbishing on old grinder
    I have an old Makita 4” grinder and wanted to freshen it up. These guys had the parts I needed and shipped them out promptly. Thanks!
    Guest - July 4, 2019 Verified Purchase
    Perfect Fit
    The brushes on my MAKITA angle grinder were worn out, and I use this tool all the time. Rather than buy a new one, I bought some new brushes for the motor, for a lot less cost than a new grinder. These brushes fit perfectly, and the grinder is back in business again. Hopefully for another 10 years. Thank you, eReplacementParts for having the correct parts that I needed,
    Guest - June 1, 2019 Verified Purchase
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    t - t days ago Verified Purchase
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    Customer Repair Instructions ?

    All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

    Easy 15-30 minutes (26 rated repairs)?

    Carbon Brush Set CB-70

    SANDY - March 20, 2017
    👍 3 of 3 people found this instruction helpful
    Tool Type

    Electric Drill

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    Screwdriver, Pliers

    Removed the screws from the housing and separated them
    Remove the old brush from the brush holder
    Installed the new brush in the holder
    Screwed the housing back together
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Drill motor would not run

    John - April 14, 2018
    👍 1 of 1 people found this instruction helpful
    Tool Type

    Electric Drill

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    Screwdriver

    1. Removed screws and lifted drill housing off motor.
    2. Unclipped brushes from mounting bracket and installed new brushes.
    3. Replaced drill housing and screws.
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Lots of arcing . Running slow.

    Rick - December 2, 2020
    Tool Type

    Grinder

    Difficulty

    Medium

    Time

    15-30 minutes

    Tools Used

    Screwdriver

    Disassembled, replaced brushes, cleaned armature, blew out grinder, assembled.
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    drill had no power and cord cover was frayed

    Donald - February 29, 2020
    Tool Type

    Electric Drill

    Difficulty

    Easy

    Time

    30-60 minutes

    Tools Used

    Screwdriver, wire cutter and crimper

    removed screws from drill case
    separated drill case
    disconnected switch
    connected new switch
    installed new brushes
    connected new cord
    put drill case back together
    Did you find this story helpful?
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    RPM was slow and no power

    Larry - September 7, 2019
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    Screwdriver

    removed housing screws and motor unit then removed and replaced brushes
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Inoperable on/ off switch, replace brushes

    Isaac - July 15, 2019
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    Less than 15 minutes

    Tools Used

    Screwdriver

    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Old brushes were worn out, so motor would fail to run properly.

    Robert - June 1, 2019
    Tool Type

    Grinder

    Difficulty

    Medium

    Time

    15-30 minutes

    Tools Used

    Screwdriver, Pliers

    1 - Remove 5 screws that secure the two motor housings together.
    2 - Opened up the housing to reveal the motor and grinder gears and bearings.
    3 - Lifted out the motor from the housing.
    4 - used a pair of needle nose pliers to grip the ends of brush #1 on one side of motor and pulled it out from the motor slot. Repeated the same step for brush #2.
    5 - Pushed the new brushes into the old motor slots.
    6 - Replace motor back into housing with bearings and gears.
    7 - Secured the motor housings back together again with the 5 screws.
    8 - Plugged in the power cord, and the motor / grinder ran perfectly again.
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

    Sander loses power when engaged in work & wobbles when engaged in work surface

    David - April 18, 2019
    Tool Type

    Sander

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    Screwdriver






    Inserted brushes and re-assembled the tool. It still has the same symptoms, guess it's just worn out. I can't see anything else visibly wrong with it but it is 20 years old.






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    Brush holder came loose and cause the brushes to wear badly

    Ted - January 13, 2019
    Tool Type

    Grinder

    Difficulty

    Medium

    Time

    15-30 minutes

    Tools Used

    Screwdriver

    Disassembled the tool, removed the motor assembly, removed the brushes and holder assembly, removed the armature and cleaned and machined it in my drill press, cleaned out the housing, removed old hardend grease and reassembled with new grease, and new brushes. works great.
    Did you find this story helpful?
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    Brushes were worn out

    Darrel - April 2, 2018
    Tool Type

    Grinder

    Difficulty

    Easy

    Time

    15-30 minutes

    Tools Used

    Screwdriver, Needle nose pliers

    Removed old worn brushes and replaced with new set. A very easy fix and the replacement part was a exact fit ..grinder works great again. Very good product, thanks a bunch!!!
    Did you find this story helpful?
    Thanks for voting and helping fellow customers!

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    Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.

    Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.

    All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.

    All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.

    Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.

    All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.

    This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.

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