This replacement brush holder is a high quality item that is specially designed to secure the carbon brush on Makita circular saws. It is an authentic item that is sourced directly from original equipment manufacturer. This includes one plastic holder with a lead wire attached, please note carbon brushes are sold separately. To complete this repair you will need a screwdriver and pliers.
1. Disassembled melted positive brush housing assy.
2. Disassembled saw housing covering motor.
3. Carefully removed Red (positive) brush wire and disconnected at switch terminal.
4. Cleaned out and resurfaced positive brush retaining area within main saw housing using a rat tail file. Ensured all dust and particles remo
... Read moreved from inside motor housing.
5. Installed new brush assy and routed red wire in place and secured to switch.
6. Reassembled saw housing.
7. Inserted new replacement brushes and caps.
8. Performed dry run electrical test without blade.
9. Installed new circular saw blade.
10. Ran test cutting on scrap wood, completed!
Note: How to keep this tool failure from occurring: donÆt keep cutting when your saw blade is dull (particularly after hitting a few nails) as dulled teeth require significantly more power from saw resulting in overheating of brushes and eventual failure by melting the housing.
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Overheated/melted brush holders on Makita 18v circular saw
Could not remove brush caps (fused to holder). Removed end motor trim cap, removed half of the handle to expose wiring. Thought I had to take whole motor apart to install new brush holder, but found out that I could remove brush holder just by wiggling wire through motor (had to tape a wire to wires so when I pulled old brush holder thr
... Read moreough motor, I could reverse process to install new brush holder). Just watch out for any springs in trigger assembly.
1. Take off saw housing
2. Unscrew light
3
4. Disassemble handle
5. Pull light out
6. Pull brush holder wires out. Follow them
And disconnect. Negative line cut, positive line unscrew from trigger. Reinstall new ones.
Wire nut needed for negative line. Be careful taking body apart. Keep note
... Read more of where spring goes for trigger.
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. Unscrewe
... Read mored 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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This part is in stock in our warehouse and will ship out within 1 business day of the order being placed.
New stock is on the way! On order parts usually ship within 7 business days.
Item is not in stock and usually ships 10-15 business days from the time you place your order.
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Some of the parts we sell are eligible for mail-in rebates since we can recycle them. We will display any applicable rebates in your shopping cart. To redeem your rebate, contact Customer Service after you have received your part.
