The reason is that carbon brushes are wear items, meaning that through friction and use they will gradually wear away and eventually will need replacing. New brushes can restore a motor’s electric braking.Ĭarbon motor brushes are one of the most commonly replaced power tool parts.Replacing brushes can fix an intermittently operating motor.Worn brushes are frequently the cause of a poorly running motor.This carbon brush will fit a wide variety of Milwaukee tools. Please go to the schematic listings for your tool to find the brush assembly parts compatible with this carbon brush and your tool. Find your next fix here.Includes 1 Carbon Brush sold individually. Our Follow-and-Fix field guides can help expand your skills far beyond drills empowering you to face power tool problems as they arise and to fearlessly fix whatever fails you. Hopefully, this article has helped restore your ability to drill holes without replacing your whole drill. Use a pick or small screwdriver to re-engage the brush springs.Īs you just learned, fixing things yourself means more drilling with less billing. Secure the transmission assembly to the housing with the four screws. Use a small screwdriver to tuck any exposed wires into the channels along the housing. Gently slide the motor brushes away from the center of the card (to make room for the armature).Īlign the edge of the brush card with the slot in the housing.ġ0. Use a pick or small screwdriver to disengage the brush springs (there are tiny notches on the backs of each brush holder, which can be used to secure the springs until they are re-engaged). Reinstall the brush card into the housing.
#Milwaukee cordless drill brush replacement install
Install the switch assembly into the bottom half of the plastic housing.ĩ. Repeat this step to solder the remaining wire to the switch. Insert the wire through the corresponding terminal on the switch (based on your earlier notes).īend the wire backwards to prevent it from slipping out of the eyelet. Remove the protective sleeve from the end of the wire (if so equipped) and twist the end of the wire to facilitate insertion into the eyelet. Repeat the previous steps to de-solder and remove the remaining wire from the switch assembly. Use a soldering gun to heat the connection.Ĭontinue applying heat to the connection while using long-nosed pliers to detach the wire from the terminal. Remove the heat-shrink tubing from the terminal. Use a razor-knife to slice through the heat-shrink tubing on the existing connection. Before de-soldering, make note of the configuration of the existing wires to ensure accurate reassembly. SPECI FIX: Safety glasses are recommended when working with solder. De-solder the wire connections from the switch. Lift the switch assembly out of the housing.Ħ. Slide the brush card off the armature and away from the motor assembly. Lift the motor and brush card assembly slightly out of the housing. Use a pick or small screwdriver to disengage the brush springs (there are tiny notches on the backs of the brush holders, which can be used to secure the springs until they are re-engaged). Remove the top half of the plastic housing. Remove the retaining screws from the top half of the housing. Remove the four screws securing the transmission to the housing. THE FACTS | THE FIX | THE FINISH REMOVING THE BRUSH CARD 1. Replacing the brush card is easy to do, and this article will guide you through the simple steps. Because they remain in continual contact with the armature, motor brushes will eventually erode. A simple way to service the brushes on a cordless drill is to replace the entire brush card assembly, which includes new motor brushes, brush springs, holders and the wire leads that attach to the switch.
Motor brushes are responsible for transferring electricity to the motor's spinning armature. Whether you are a master craftsman or an occasional drill-seeker, provides the parts, procedures and facts you need to fearlessly fix what fails you. If broken drills and service bills are boring holes in your budget it's time to face the fix.
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