1. Introduction
Thank you for choosing the BOSCH PR20EVS Colt 1.0 HP Variable-Speed Palm Router. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new tool. Please read this manual thoroughly before initial use and keep it for future reference. This palm router is designed for precision woodworking tasks, offering a powerful 1.0 HP motor with variable speed control for optimal performance across various materials.
Figure 1: BOSCH PR20EVS Colt 1.0 HP Variable-Speed Palm Router
This image displays the complete BOSCH PR20EVS Colt 1.0 HP Variable-Speed Palm Router, showcasing its compact design, ergonomic grip, and fixed base. The power cord is visible extending from the top of the unit.
2. General Safety Information
Always follow basic safety precautions to reduce the risk of fire, electric shock, and personal injury when using power tools. Keep your work area clean and well-lit. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Always wear appropriate personal protective equipment, including eye protection, hearing protection, and dust masks. Ensure the tool is unplugged before making any adjustments or changing accessories. Keep children and bystanders away while operating a power tool.
3. Package Contents
Verify that all items are present upon unpacking:
- 1 x PR20EVS Palm Router
- 1 x PR001 Fixed Base
- 1 x 1/4-Inch Self-Releasing Collet Chuck
- 1 x Shaft Wrench
- 1 x Collet Wrench
4. Key Features
- 1.0 Horse Power 5.6 Amp Variable Speed Motor: Delivers speeds from 16,000 to 35,000 RPM for versatile routing applications.
- Soft-Start Circuitry: Reduces start-up torque for smooth and controlled operation.
- Constant Response Circuitry: Monitors and maintains speed under load for consistent performance, even in tough materials.
- Ergonomic Palm-Grip Design with Soft Grip: Provides enhanced comfort and control during extended use.
- Unique Finger Support Pockets: Offers additional stability, particularly when trimming edges.
- Rugged Aluminum Fixed Base: Ensures durability, stability, and precision for various routing tasks.
- Fast and Precise Depth Adjustment System: Allows for both macro and micro adjustments to achieve desired routing depths.
- Quick-Clamp System: Enables easy adjustment or removal of the motor from the base.
- Enhanced Bit Capacity: The fixed base accepts bits up to 1 5/16 inch in diameter.
- Versatile Bit Changing System: Facilitates fast and easy bit changes using two wrenches or the spindle lock and one wrench.
- Angled Cord Exit: Keeps the power cord out of the way during operation.
Figure 2: Compact Design for Easy Handling
This image highlights the compact and ergonomic design of the Bosch Colt Palm Router, emphasizing its ease of handling for detailed work.
Figure 3: Powerful Motor and Variable Speed
This image illustrates the router's powerful 1.0 HP, 5.6 Amp motor and its variable speed range of 16,000-35,000 RPM, indicating its versatility.
5. Setup
5.1 Attaching the Fixed Base
- Ensure the router is unplugged from the power source.
- Align the motor housing with the fixed base.
- Slide the motor into the base until it is securely seated.
- Engage the quick-clamp lever to lock the motor firmly in place.
Figure 4: Quick-Clamp System
This image demonstrates the quick-clamp system, allowing for rapid adjustment or removal of the router motor from its base.
6. Bit Installation and Removal
Always ensure the router is unplugged before installing or removing bits.
6.1 Installing a Router Bit
- Loosen the collet nut using the provided collet wrench.
- Insert the router bit into the collet, ensuring at least 3/4 of the shank is seated. Do not bottom out the bit.
- Tighten the collet nut firmly with the collet wrench. For added security, use the shaft wrench to hold the spindle while tightening.
6.2 Removing a Router Bit
- Hold the spindle with the shaft wrench or engage the spindle lock button.
- Loosen the collet nut with the collet wrench.
- Remove the router bit.
Figure 5: Easy Bit-Changing System
This image illustrates the router's bit-changing mechanism, highlighting the use of two wrenches or the spindle lock for quick and secure bit changes.
7. Depth Adjustment
The PR20EVS features a fast and precise depth adjustment system.
7.1 Macro Adjustment
- Loosen the quick-clamp lever.
- Slide the motor up or down within the base to roughly set the desired depth.
- Tighten the quick-clamp lever to secure the motor.
7.2 Micro Adjustment
- After performing a macro adjustment, use the fine adjustment knob (typically a small wheel or dial) to make precise, small changes to the routing depth.
- Turn the knob clockwise to decrease depth and counter-clockwise to increase depth.
Figure 6: Fast and Precise Depth Adjustment
This image highlights the router's depth adjustment system, which allows for both macro (large) and micro (fine) adjustments for precise control over routing depth.
8. Operating Instructions
8.1 Power On/Off
- To turn the router ON, push the red switch to the 'I' position.
- To turn the router OFF, push the red switch to the 'O' position.
8.2 Variable Speed Control
- The variable speed dial is located on the top of the motor housing.
- Rotate the dial to select the appropriate speed for your material and bit type. Lower speeds are generally used for larger bits, harder materials, or when more control is needed. Higher speeds are suitable for smaller bits and softer materials.
Figure 7: Variable Speed Dial
This image shows the variable speed dial on the router, which allows users to match the tool's speed to the specific workpiece material and task requirements.
8.3 Routing Techniques
- Always make sure the workpiece is securely clamped.
- Start the router before contacting the workpiece.
- Move the router smoothly and consistently across the workpiece. Avoid forcing the tool.
- For optimal results and to prevent tear-out, always route against the direction of bit rotation.
9. Maintenance
Regular maintenance ensures the longevity and optimal performance of your router.
9.1 Cleaning
- After each use, unplug the router and clean any dust and debris from the motor housing, base, and collet area using a soft brush or compressed air.
- Do not use harsh chemicals or abrasive cleaners.
9.2 Inspection
- Periodically inspect the power cord for damage. Replace immediately if frayed or cut.
- Check the collet and collet nut for wear. Replace if they show signs of damage or inability to securely hold bits.
- Ensure all screws and fasteners are tight.
10. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Router does not start | No power supply; Faulty switch | Check power connection; Test outlet; Contact service center |
| Poor cut quality / Burning wood | Dull bit; Incorrect speed; Too deep cut; Incorrect feed rate | Replace/sharpen bit; Adjust speed; Reduce depth of cut; Adjust feed rate |
| Excessive vibration | Loose bit; Damaged bit; Worn bearings | Ensure bit is tight; Replace bit; Contact service center |
11. Specifications
| Feature | Specification |
|---|---|
| Brand | Bosch |
| Model Number | PR20EVS |
| Horsepower | 1.0 HP |
| Amperage | 5.6 Amps |
| Maximum Rotational Speed | 35,000 RPM |
| Voltage | 120 Volts |
| Power Source | AC/DC (Corded Electric) |
| Collet Size | 1/4-Inch |
| Base Type | Fixed |
| Item Weight | 3.3 Pounds |
| Product Dimensions | 3.75"W x 7.5"H |
| Cord Length | 10 Inches |
12. Warranty and Support
Your BOSCH PR20EVS Colt 1.0 HP Variable-Speed Palm Router is covered by a Limited 1-Year Warranty. For warranty claims, technical support, or to purchase replacement parts, please visit the official Bosch website or contact Bosch customer service. Refer to the warranty card included with your product for specific terms and conditions.
Figure 8: Bosch 1-Year Limited Warranty
This image displays information regarding the Bosch 1-Year Limited Warranty, advising users to visit the provided URL or call customer service for updated terms.
