1. Introducció
This manual provides essential instructions for the safe and effective operation, maintenance, and troubleshooting of your Rupes LK900E Big Foot Gear Driven Dual-Action Polisher. Please read this manual thoroughly before initial use and retain it for future reference.
1.1 Informació de seguretat
Adhering to safety precautions is crucial to prevent injury and damage to the tool. Always follow these guidelines:
- Always wear appropriate personal protective equipment (PPE), including eye protection and hearing protection.
- Ensure the power tool is disconnected from the power source before making any adjustments, changing accessories, or performing maintenance.
- Mantenir la zona de treball neta i ben il·luminada.
- No feu servir eines elèctriques en atmosferes explosives, com ara en presència de líquids, gasos o pols inflamables.
- Mantingueu els nens i els espectadors allunyats mentre feu servir una eina elèctrica.
- Use the correct power tool for your application. Do not force the tool.
- Mantenir eines elèctriques. Comproveu si hi ha desalineació o enquadernació de peces mòbils, trencaments de peces i qualsevol altra condició que pugui afectar el funcionament de l'eina elèctrica.
- Use accessories that are recommended by the manufacturer for your specific model.
2. Producte acabatview
The Rupes LK900E is a gear-driven dual-action polisher designed for efficient and consistent paint correction and finishing tasks. Its robust design ensures powerful and reliable performance.
2.1 Components
Familiarize yourself with the main parts of your polisher:

Image 1: The Rupes LK900E polisher shown with its included backing plate. This image displays the overall design, ergonomic handle, motor housing, and the gear-driven head.
- Mànec principal: Ergonomic grip designed for comfortable and controlled operation.
- Carcassa del motor: Encloses the electric motor and internal components.
- Marcador de control de velocitat: Allows for precise adjustment of the tool's rotation speed.
- Interruptor d'encesa/apagada: Activa i desactiva l'eina.
- Backing Plate: The attachment point for various polishing pads.
- Cable d'alimentació: Connects the polisher to an electrical power source.
3. Configuració
3.1 Desembalatge i inspecció
- Traieu amb cura tot el contingut de l'embalatge.
- Inspect the polisher and all accessories for any signs of damage. Do not use the tool if damage is present; contact your supplier.
- Retain original packaging for future storage or transport.
3.2 Attaching the Backing Plate
- Ensure the polisher is unplugged from the power source before proceeding.
- Align the backing plate with the threaded spindle on the polisher head.
- Securely screw the backing plate onto the spindle by hand. Some models may require a wrench (not included) to tighten properly. Ensure it is firmly attached to prevent wobbling during operation.
3.3 Attaching a Polishing Pad
- Ensure the polisher is unplugged.
- Select the appropriate polishing pad for your specific task (e.g., cutting, polishing, finishing).
- Center the polishing pad onto the hook-and-loop surface of the backing plate, pressing firmly to ensure a secure and even attachment.
4. Instruccions de funcionament
4.1 Engegada i control de velocitat
The Rupes LK900E features a variable speed control dial for precise adjustment of the polishing action.
Imatge 2: Un primer pla view of the speed control dial on the Rupes LK900E polisher, indicating settings from 0 (off) to Max.
- Connecteu el cable d'alimentació a una presa de corrent adequada.
- Set the desired speed using the speed control dial. Start with a lower speed for initial application of product or delicate areas, and gradually increase as needed for correction.
- To start the polisher, press the On/Off switch. Some models may include a trigger lock for continuous operation.
- To stop the polisher, release or press the On/Off switch again.
4.2 Polishing Techniques
For optimal results and to prevent damage to the work surface, follow these general guidelines:
- Preparació de la superfície: Ensure the surface to be polished is thoroughly clean, dry, and free of contaminants.
- Aplicació del producte: Apply a small amount of polishing compound directly to the pad or the work surface.
- Contacte inicial: Always place the polishing pad flat on the surface before turning the polisher on.
- Moviment: Move the polisher in a controlled, overlapping pattern (e.g., cross-hatch pattern) to ensure even coverage. Maintain consistent, light to moderate pressure.
- Velocitat: Adjust the speed according to the product being used and the desired level of correction. Higher speeds generate more heat and can be more aggressive.
- Edge Work: The gear-driven action helps maintain consistent pad rotation and prevents stalling on curved surfaces and edges, allowing for more uniform performance.
- Seguiment: Regularly check the surface for heat buildup and progress.
- Acabats: After polishing, wipe off any residue with a clean, soft microfiber towel.
5. Manteniment
Regular maintenance ensures the longevity and optimal performance of your polisher.
5.1 Neteja
- Disconnect the polisher from the power source before any cleaning.
- Remove the polishing pad and clean it according to the pad manufacturer's instructions.
- Wipe down the polisher body with a clean, damp cloth. Do not use harsh chemicals or solvents, as these can damage the tool's finish.
- Use compressed air to gently clear dust and debris from ventilation openings to ensure proper cooling.
5.2 Emmagatzematge
- Store the polisher in a clean, dry place, away from direct sunlight and extreme temperatures.
- Mantingueu-lo fora de l'abast dels nens i usuaris no autoritzats.
- If storing for extended periods, ensure the power cord is neatly wrapped and not kinked or stressed.
6. Solució De Problemes
This section addresses common issues you might encounter during the operation of your Rupes LK900E polisher.
| Problema | Causa possible | Solució |
|---|---|---|
| Polisher does not turn on | No power supply; Faulty power cord or switch | Check power outlet and cord for damage. Ensure the switch is fully engaged. If the switch or cord is faulty, contact a service center. |
| Vibració excessiva | Unbalanced pad; Loose backing plate; Damaged backing plate | Re-center the polishing pad. Tighten the backing plate securely. Inspect the backing plate for damage and replace if necessary. |
| Poor polishing results (e.g., hazing, uneven finish) | Incorrect pad/compound combination; Insufficient pressure or speed; Overworking product | Ensure you are using the appropriate pad and compound for the task. Adjust pressure and speed as needed. Work in smaller sections and wipe off residue promptly. |
If the problem persists after attempting these solutions, please contact RUPES customer support for further assistance.
7. Especificacions
Technical details for the Rupes LK900E Big Foot Gear Driven Dual-Action Polisher:
| Característica | Detall |
|---|---|
| Model | LK900E |
| Marca | RUPES |
| Potència màxima | 900 watts |
| Pes de l'article | 6.17 lliures (aproximadament 2.8 kg) |
| Dimensions del producte | 20.39 x 6.69 x 5.71 polzades |
| Font d'alimentació | Elèctric amb cable |
| Components inclosos | Backing Plate, Polisher |
8. Garantia i Suport
For detailed warranty information and customer support, please refer to the documentation included with your original purchase. It is recommended to keep your proof of purchase for any warranty claims.
For further assistance, you may contact RUPES directly via their official weblloc: www.rupes.com





