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eBay£444.00Visit shop Rupes Bigfoot LHR21III MARK 3 NEW Random Orbital Polisher Detailing 150mm / 6""
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The Rupes Bigfoot LHR21III is a professional-grade random orbital polisher designed for automotive enthusiasts and detailers who demand high-efficiency paint correction. Its core strength lies in its 21mm large-throw orbit, which allows for rapid removal of swirl marks and defects while minimizing the risk of burn-through. While it offers unparalleled performance and ergonomic balance, users should note that the large orbit can be less effective on extremely tight, complex body panels compared to smaller-throw alternatives.
| Model Part Number | LHR21III/STD-R |
|---|---|
| Brand | RUPES |
The LHR21III is specifically balanced for the 150mm backing plate. Using a different size is not recommended as it will disrupt the counterweight balance and increase vibration.
The 21mm orbit provides a wider oscillation pattern, which allows for faster paint correction and leveling on large flat panels.
Yes, it is best to use pads that are designed to handle the heat and mechanical stress of a large-throw machine to ensure longevity and optimal performance.
While it is a professional tool, its random orbital action makes it much safer than a rotary polisher, though some practice is required to master the control of a large-throw machine.
Wipe it down with a damp cloth after use to remove residue. Inspect the Velcro surface periodically; if it becomes frayed or loose, replace the plate.
Ensure the polishing pad is centered perfectly on the backing plate and check that the backing plate is tightened securely.
Reduce downward pressure and check that the machine is being held flat against the surface; excessive pressure can cause the orbit to stop rotating.
Clean the air vents with compressed air to remove buildup and ensure you are not using too much pressure, which overworks the motor.
To set up your LHR21III, ensure the 150mm backing plate is securely tightened onto the spindle. Always ensure the machine is unplugged before changing pads. When using, pair the unit with high-quality foam or microfiber pads designed for large-throw polishers to prevent premature pad failure. Maintenance involves blowing out the cooling vents with compressed air after each use to clear away polishing dust. Periodically inspect the carbon brushes and the backing plate for wear, replacing them if you notice vibration or performance drops. Avoid dropping the machine, as the precision counterweight system is sensitive to impact.
