48M664 - Walter 48M664 Replacement Field Coil for Big Buff III

Technical Overview: Walter 48M664 Field Coil

The Walter 48M664 Field Coil is a precision-engineered OEM replacement component designed for the motor assembly of the Walter Big Buff III finishing tool. As the stator (stationary part) of the universal motor, this coil is responsible for generating the essential magnetic flux required to interact with the armature and produce rotation.

Constructed with high-purity copper windings and robust insulation materials, this field coil is built to withstand the thermal stresses and mechanical vibrations inherent in heavy-duty industrial metal finishing applications. A compromised field coil often manifests as a tool that hums without rotating, trips circuit breakers immediately, or exhibits excessive arcing at the commutator. Replacing a damaged coil with this genuine Walter part restores the tool's electrical efficiency and torque output.

This unit is designed for the standard 120V configuration of the Big Buff III. When replacing the field coil, it is standard maintenance procedure to also inspect the armature for shorted windings and replace the carbon brushes to ensure the longevity of the repaired motor assembly.