This is a genuine OEM sourced replacement part which is specially designed for Makita power tools. This is a complete assembly which is sold individually, keep in mind, it includes the armature, the fan, the armature bearing and the commutator end bearing. Due to constant contact with carbon brushes armature will eventually wear out and would need to be replaced to maintain peak performance. It is highly recommended to replace both carbon brushes when replacing an armature. Please make sure to refer to the appropriate diagrams of your model for the correct location and application of this component.
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★★★★★
★★★★★
great parts great job
I just installed and working like new from factory if you need great parts my recommendation is eReplacementParts great service =ƒæì thank you guys for your service
Iglobal - February 18, 2022
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Remove one screw on cord end allowing cover to slide back over power cord exposing brushes and hold down springs, lift springs gently removed brushes. On grinder end removed 4 screws removing grinder wheel shaft, remover armature end shaft nut, remove 4 screws holding front housing along with old armature replace in reverse order using li
... Read moreght oil on brush end of new armature only at bearing seal to help it slide in. Of course check before installing for dirt or debris that might impede assembly.
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
... Read more 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!
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
... Read more and nut on new armature.
9. Closed up grinder housing.
10. Tested grinder which worked great.
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 repla
... Read moreced installed armature back into head assembly reinstalled gear nut and put handle back on then released brushes installed 4 screws.
The grinder was overloaded on low voltage and overheated. The first thing I did was to determine if the grinder was worth fixing. I took the gear head apart to look at the gears. They looked perfect, so I proceeded with the repair.
1. Remove the end cap at the cord end.
2. Lift the brush spring off the brushes and extract and
... Read moreinspect the brushes. Looked good.
3. Remove 4 screws holding the gear case to the body, and pull the head and armature out.
4. Remove the nut hoding the spur gear on the armature and pull it from the case. The armature had small black holes in the windings where the smoke escaped. Inspect the field windings. Check for shorts between the wires and the case. None found. Looks like a good candidate for repair.
Order the parts (armature). Wait a few days for shippment, ressemble in reverse order.
Plug it in and look for more smoke. None found. Great inexpensive repair.
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.
This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.
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Mail-In Recycling Rebate
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.
