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48M475 - Walter Replacement Brush Holder for Big-Buff III and Line-Mate III

Packaging: 1 per each
$13.16/ea

Usually ships within 3-5 business days

SKU: 48M475 Categories: ,

OVERVIEW

Restore Optimal Motor Performance with Genuine Walter Parts

The Walter 48M475 Brush Holder is a critical component designed specifically for the maintenance and repair of Walter Surface Technologies' high-performance finishing tools. Engineered to exact OEM specifications, this brush holder serves as the precise housing for the carbon brushes within the electric motor assembly of units such as the Big-Buff III and Line-Mate III. In universal motor applications, the stability and alignment of the carbon brush are paramount to ensuring efficient commutation, reducing electromagnetic interference, and preventing destructive arcing that can damage the commutator.

Over time, the intense heat cycles and vibration inherent in industrial surface finishing can cause fatigue in the brush holder materials. A compromised holder may lead to brush sticking, uneven wear, or loss of spring tension, all of which result in intermittent power loss or complete motor failure. By replacing a worn or damaged unit with this genuine Walter 48-M-475 part, you ensure that the carbon brush is held at the correct angle and pressure against the commutator bars. The component is manufactured from high-grade, heat-resistant composite materials that resist warping even under the thermal loads of continuous industrial use.

Maintenance professionals understand that using non-OEM parts in precision power tools can lead to tolerance stacking issues. This genuine replacement guarantees a drop-in fit, requiring no modification to the tool housing. It features the necessary brass conductive inserts and spring retention points to match the original factory assembly. Whether you are performing a routine overhaul or an emergency repair on a production line tool, the 48M475 provides the reliability expected from Walter Surface Technologies equipment.

Technical Compatibility

This component is verified for use with specific models in the Walter finishing line. It is essential to cross-reference the tool's exploded view diagram to confirm the part number 48-M-475 matches your specific generation of Big-Buff or Line-Mate tool. Proper installation of this holder contributes significantly to extending the overall service life of the tool's armature and field coil assembly.

Additional Information
Packaging Description:1 per each
Part Type:Brush Holder
Compatible Brand:Walter Surface Technologies
Compatible Models:Big-Buff III, Line-Mate III
Material:Brass, Composite

INCLUDED

  • 1 x Walter Brush Holder (48-M-475)

APPLICATIONS

  • Replacement of damaged brush holders in Walter Big-Buff III tools.
  • Repair of Walter Line-Mate III drum sanders/finishers.
  • Routine maintenance of electric motor assemblies in Walter power tools.
  • Restoring tools exhibiting intermittent power or excessive sparking.

FAQ

This part is designed specifically for Walter Surface Technologies power tools, most notably the Big-Buff III and Line-Mate III finishing tools. Always check your tool's parts diagram to confirm compatibility.

No, the 48M475 is typically just the holder itself. The carbon brushes are usually sold separately (often part number 48-M-474).

Inspect the holder for signs of heat damage (melting), cracks, or if the brush is no longer sliding smoothly inside the channel. If the spring retention is damaged, replacement is also necessary.

Yes, this is an OEM (Original Equipment Manufacturer) part from Walter Surface Technologies, ensuring exact fit and performance.

It is highly unlikely. Brush holders are generally proprietary to the specific motor design of the manufacturer. This is designed for Walter tools only.

It requires opening the motor housing of the tool. While not overly difficult, you should be comfortable with basic tool repair or have a qualified technician do it.

A damaged holder can cause the carbon brush to misalign, leading to severe arcing that can permanently damage the motor's commutator, requiring a much more expensive repair.

Brush holders often include the internal mechanism to hold the spring, but depending on the specific revision, the spring may be part of the brush assembly or the cap. Refer to the product image or manual.

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