Makita DGA452 Maintenance: Replacing Armature, Bearings, and Brush Holder, Carbon Brushe,
Автор: Power Tools Clinic / 電動工具クリニック
Загружено: 2026-02-16
Просмотров: 217
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Description
In this video, we perform a complete teardown and repair of the Makita DGA452 18V LXT Cordless Angle Grinder. If your grinder is sparking, making a grinding noise, or has lost power, it’s likely time to service the motor and bearings.
What’s covered in this repair:
Armature Replacement: How to safely remove and swap the motor armature.
End Bell Ball Bearing (629): Detailed steps on removing the old 629 bearing and installing the new one for smooth rotation.
Carbon Brush Replacement: Installing a fresh set of CB-430 brushes to ensure consistent electrical contact.
Cleaning & Reassembly: Tips on clearing out metal dust and putting the housing back together correctly.
Parts Used in this Video:
Armature: Makita Genuine Part (specifically for DGA452)
Bearings: 629 Series Ball Bearings
Carbon Brushes: CB-430 (or equivalent)
Tools Required:
Phillips Head Screwdriver
Bearing Puller (or a soft mallet)
Small Flathead Screwdriver (for brush clips)
Cleaning brush/Compressed air
Disclaimer: Always ensure the battery is removed before attempting any repairs on cordless power tools. If you are unsure about a step, consult a professional technician.
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#Makita #DGA452 #AngleGrinder #PowerToolRepair #DIY #MakitaTools #ArmatureReplacement #Maintenance #Bearings #CarbonBrushes
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