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.
Armature Assembly 115v 517646-0
OEM part for: Makita
Part Number: 517646-0
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Compatibility
This Armature Assembly 115v will fit the following 9 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Makita
Show More Compatible ModelsThis item works with the following types of products:
- Grinder Parts
- Plate Joiner Parts
Repair Videos ?
Customer Part Reviews ?
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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.
Armature had gotten wet, shorted at the brush contact pointed burning it.
Tool Type
Grinder
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Wrench Set
Parts Used
Armature was missing a big section
Tool Type
Grinder
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, 10mm open end wrench
Armature and brushes were burnt out.1
Tool Type
Grinder
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Wrench Set, 90 degree pick to pull back brush springs.
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.
All the smoke escaped from the motor
Tool Type
Grinder
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Wrench Set, volt meter
1. Remove the end cap at the cord end.
2. Lift the brush spring off the brushes and extract and inspect 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.
Armature burnt up where brushes make contact
Tool Type
Grinder
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set, Hammer, vise
Armature burned out.
Tool Type
Grinder
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver
Parts Used
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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.
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