Rupes Replacement Brushes - 47.70-R2
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Product Information
Full details
The Rupes Replacement Brushes (47.70-R2) are essential maintenance components designed for professional detailers and workshop technicians who rely on Rupes Bigfoot polishers. These genuine OEM carbon brushes restore optimal motor conductivity and performance, effectively extending the lifespan of your polishing equipment. While these parts are vital for long-term machine health, they require basic mechanical knowledge to install correctly, as incorrect seating can lead to uneven wear or potential motor damage.
All features
| Model Part Number | 47.70-R2 |
|---|---|
| Brand | RUPES |
Extended Product Information
FAQs
How often should I replace these brushes?
You should inspect your brushes every 200 to 300 hours of operation or when you notice a decrease in motor performance.
Does this set include two brushes?
Yes, each pack of 47.70-R2 contains two brushes, which is a full set for one polisher.
Can I use these for other brands?
No, these are specifically engineered for Rupes Bigfoot models and may not provide the correct electrical contact for other manufacturers.
What happens if I don't replace worn brushes?
Worn brushes can cause loss of power, inconsistent speeds, and potential damage to the motor commutator, which is a much more expensive repair.
Do I need special tools to install them?
Typically, you only need a flat-head or Phillips-head screwdriver to remove the brush caps, though care should be taken to avoid damaging the housing.
Troubleshooting
Tool still lacks power after installation
Verify the spring is correctly positioned behind the brush and the connector lead is fully seated.
Excessive sparking inside motor vents
Ensure the brushes are properly aligned and not jammed in the holder; check the commutator for signs of burning or scarring.
Pros and Cons
Pros
- Ensures factory-spec performance for Rupes Bigfoot polishers
- Prevents motor sparking and erratic speed control
- Direct fit for multiple popular Rupes tool models
- Restores original torque and efficiency to aging tools
Cons
- Requires tool disassembly which may impact warranty if not handled by authorized centers
- Does not include installation instructions within the packaging
- Small parts are easily lost during the maintenance process
Setup, Compatibility & Care
Before performing any maintenance, ensure the tool is disconnected from the power supply. Remove the designated brush caps located on the exterior of the motor housing. Slide out the worn brushes and inspect the springs for proper tension. Insert the new 47.70-R2 brushes, ensuring the carbon face sits squarely against the commutator. This part is compatible with the following models: LT2, LH22, LH31, LH32, LHR232, and LHR21. After installation, it is recommended to run the tool at a low speed for 5–10 minutes to allow the brushes to 'seat' properly against the curvature of the commutator before applying heavy polishing loads.