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The MILWAUKEE 45-36-2040 is an OEM armature spacer designed for use in Milwaukee power tools. An armature spacer maintains precise axial clearance between the armature and adjacent components inside the motor assembly, preventing contact, reducing wear, and supporting consistent motor performance. This part is a direct replacement component intended for technicians and repair professionals performing motor-level service on Milwaukee tools. It is a small but critical piece that ensures proper rotor alignment within the tool housing.
This armature spacer is used during motor service and rebuild procedures on compatible Milwaukee power tools. It is typically installed when replacing an armature, motor, or other internal rotating components where axial positioning must be maintained. Service technicians performing bench repairs on Milwaukee tools will encounter this part as a standard element of a complete armature assembly.
Designed as an OEM-style replacement armature spacer for compatible Milwaukee power tools. Consult the Milwaukee parts diagram for your specific tool model to confirm fitment before installation.
Installation should be performed by a qualified tool repair technician with experience in electric motor disassembly. Disconnect and fully de-energize the tool before opening the housing or handling internal components. Follow the applicable Milwaukee service documentation for armature removal and reinstallation procedures. Ensure the spacer is seated correctly before reassembling the motor stack to avoid binding or premature wear.
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