1. Introduction
This manual provides essential instructions for the safe and efficient operation of your GÜDE Alpha 94066 Drill Sander GBS 80. Please read all instructions carefully before using the device to ensure proper function and to prevent injury or damage. Keep this manual in a safe place for future reference.
2. Safety Instructions
Always observe the following safety precautions to reduce the risk of electric shock, fire, and serious injury.
- Read the Entire Manual: Familiarize yourself with the controls and proper use of the drill sander before operation.
- Wear Eye Protection: Always wear safety goggles or safety glasses with side shields when operating the tool.
- Disconnect Power: Always unplug the tool from the power source before making any adjustments, changing accessories, or performing maintenance.
- Keep Work Area Clean: Cluttered areas and benches invite accidents. Ensure your workspace is well-lit.
- Avoid Dangerous Environments: Do not use power tools in damp or wet locations, or expose them to rain. Keep work areas well-lit.
- Keep Children Away: All visitors should be kept a safe distance from the work area.
- Secure Workpiece: Always clamp or secure the drill bit firmly in the chuck before sharpening.
- Use the Right Tool: Do not force the tool or attachment to do a job for which it was not designed.
- Maintain Tools With Care: Keep tools sharp and clean for better and safer performance. Follow instructions for lubricating and changing accessories.
- Check for Damaged Parts: Before further use of the tool, a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function.
3. Package Contents
Verify that all items listed below are present and undamaged upon unpacking.
- GÜDE Alpha 94066 Drill Sander GBS 80
- Instruction Manual / User Manual
4. Product Overview
The GÜDE Alpha 94066 Drill Sander GBS 80 is designed for sharpening spiral drill bits. It features a stable, impact-resistant plastic casing and an aluminum body cover for durability.

Figure 1: Front view of the GÜDE Alpha 94066 Drill Sander GBS 80, showing the main housing and drill bit insertion points.

Figure 2: Another front perspective of the drill sander, highlighting its compact design.

Figure 3: Side view of the GÜDE Alpha 94066 Drill Sander GBS 80, illustrating its profile and power cord connection.
5. Setup
Follow these steps to prepare your drill sander for use.
- Unpack: Carefully remove the drill sander and all components from the packaging.
- Inspect: Check the device for any signs of damage during transit. Do not operate if damaged.
- Placement: Place the drill sander on a stable, level, and clean workbench. Ensure adequate space around the unit for safe operation and ventilation.
- Power Connection: Connect the power cord to a suitable 230V AC power outlet. Ensure the power switch is in the 'OFF' position before plugging in.
6. Operating Instructions
The GÜDE Alpha 94066 Drill Sander GBS 80 is designed for easy and safe sharpening of HSS E-, HSS-, CrV, or GS spiral drill bits ranging from 3 mm to 13 mm in diameter, with a tip angle of 118°.
- Select the Correct Port: Identify the appropriate sharpening port on the device for your drill bit size. The sander has different ports for various drill diameters.
- Insert Drill Bit: Carefully insert the dull drill bit into the selected sharpening port. Ensure the drill bit is seated firmly and correctly aligned.

Figure 4: Proper insertion of a drill bit into the sharpening port of the GBS 80.
- Power On: Switch the drill sander ON. The grinding wheel will begin to rotate.
- Sharpening: Gently rotate the drill bit back and forth a few times while applying light pressure against the grinding wheel. Listen for the sound of grinding and observe the sparks. Avoid excessive pressure, which can overheat the drill bit.
- Check Sharpness: Periodically remove the drill bit and check its sharpness. Repeat the sharpening process if necessary until the desired edge is achieved.
- Power Off: Once sharpening is complete, switch the drill sander OFF and unplug it from the power source.
- Cool Down: Allow the sharpened drill bit to cool down before handling.
Important Note: The drill sharpener is intended for dry grinding only. Do not use any liquids or coolants during operation.

Figure 5: View of the internal grinding wheel, responsible for sharpening the drill bits.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your drill sander.
- Cleaning: After each use, unplug the device and use a soft brush or compressed air to remove any metal dust or debris from the sharpening ports and the grinding wheel area. Do not use water or solvents.
- Grinding Wheel Inspection: Periodically inspect the grinding wheel for wear or damage. A worn wheel will reduce sharpening efficiency.
- Replacement Parts: If the grinding wheel needs replacement, use the matching Sanding Disc: Quality # 94166 Sanding Disc. Refer to the manufacturer's guidelines for replacement procedures or consult a qualified service technician.
- Storage: Store the drill sander in a clean, dry place, away from direct sunlight and extreme temperatures.
8. Troubleshooting
This section addresses common issues you might encounter with your drill sander.
| Problem | Possible Cause | Solution |
|---|---|---|
| Drill sander does not turn on. | No power supply; power cord damaged; power switch faulty. | Check power outlet and cord. Ensure switch is ON. If problem persists, consult service. |
| Drill bits are not sharpening effectively. | Worn grinding wheel; incorrect drill bit insertion; insufficient pressure. | Inspect grinding wheel for wear and replace if necessary. Ensure drill bit is correctly seated and apply light, consistent pressure. |
| Excessive vibration or noise during operation. | Loose components; damaged grinding wheel; debris inside the unit. | Unplug and inspect for loose parts. Clean out any debris. Check grinding wheel for damage. If issue persists, discontinue use and seek professional service. |
9. Specifications
Technical data for the GÜDE Alpha 94066 Drill Sander GBS 80.
| Feature | Value |
|---|---|
| Model Number | 94066 |
| Manufacturer | GÜDE |
| Product Dimensions | 22.5 x 18.5 x 15.5 cm |
| Weight | 2.7 kg |
| Color | Blue |
| Material | Metal |
| Power Source Type | Corded Electric |
| Voltage | 230 Volts |
| Wattage | 80 Watts |
| Maximum Power | 80 Watts |
| Torque | 96 Newton Meters |
| Speed | 4200 RPM |
| Drill Bit Diameter Range | 3 mm - 13 mm |
| Tip Angle | Max. 118° |
| Special Features | Portable |
10. Warranty and Support
For specific warranty information, please refer to the warranty card included with your product or visit the official GÜDE website. Keep your purchase receipt as proof of purchase.
If you require technical assistance, replacement parts, or have questions regarding the operation of your GÜDE Alpha 94066 Drill Sander GBS 80, please contact GÜDE customer support. Contact details can typically be found on the manufacturer's website or in your product packaging.





