DEWALT 20V MAX Cordless Drywall Sander DCE800B User Manual

1. Important Safety Instructions

Always observe basic safety precautions when operating this power tool to reduce the risk of fire, electric shock, and personal injury. Read all instructions before use.

General Power Tool Safety

• Work Area Safety: Keep the work area clean and well-lit. Cluttered or dark areas invite accidents. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
• Electrical Safety: Avoid body contact with grounded surfaces such as pipes, radiators, ranges, and refrigerators. There is an increased risk of electric shock if your body is grounded.
• Personal Safety: Always wear eye protection. Use respiratory protection when sanding drywall to prevent inhalation of dust. Wear hearing protection during extended operation. Dress properly; avoid loose clothing or jewelry.
• Tool Use and Care: Do not force the power tool. Use the correct power tool for your application. Disconnect the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools.

Drywall Sanding Specific Safety

• Dust Control: This tool is designed for use with a dust extractor. Always connect the sander to a compatible DEWALT dust extractor via the AirLock™ connection to minimize dust exposure.
• Material Safety: Do not sand materials containing asbestos. Always verify the material composition before sanding.
• Stability: Ensure stable footing when operating the sander, especially when using the telescoping shaft for overhead work.

Battery Tool Use and Care

• Battery Compatibility: Use only DEWALT 20V MAX battery packs and chargers.
• Charging: Recharge only with the charger specified by the manufacturer.
• Storage: Store idle battery packs away from other metal objects that could make a connection from one terminal to another.

2. Product Overview

The DEWALT DCE800B Cordless Drywall Sander is designed for efficient and comfortable drywall finishing. It features a brushless motor for extended runtime and durability, a telescoping shaft for reaching various heights, and an articulating head for consistent surface contact.

Key Components and Features

• Brushless Motor: Provides increased runtime, durability, and maintains speed under load.
• Telescoping Shaft: Allows for quick length adjustments to access hard-to-reach areas.
• Articulating Head: Pivots to maintain contact with the sanding surface, improving finish quality.
• Variable Speed Dial: Enables adjustment of sanding speed to match the application and material.
• AirLock™ Dust Extraction Connection: Provides a quick, secure, and tool-free connection to compatible DEWALT dust extractors for efficient dust removal.
• Wireless Tool Control™: Allows for wireless ON/OFF capability when paired with a compatible DEWALT dust extractor, enhancing convenience and dust management.

Figure 2.1: DEWALT DCE800B Cordless Drywall Sander with key components labeled, including the variable speed dial, AirLock dust extraction, telescoping shaft, brushless motor, and articulating head.

Figure 2.2: The DEWALT DCE800B Cordless Drywall Sander shown with two sanding discs, illustrating the tool's overall design.

3. Setup and Assembly

3.1 Battery Installation

1. Ensure the sander is turned off.
2. Align the battery pack with the receptacle on the tool handle.
3. Slide the battery pack into the tool until it locks securely in place. A click indicates it is properly seated.
4. To remove, press the battery release button and slide the battery pack out.

Note: The DCE800B is a "tool-only" model. Battery and charger are sold separately.

3.2 Attaching Sanding Discs

The sander uses 9-inch hook-and-loop sanding discs.

1. Ensure the tool is off and the battery is removed.
2. Clean any dust or debris from the sanding pad.
3. Align the holes on the sanding disc with the holes on the sanding pad for optimal dust extraction.
4. Press the sanding disc firmly onto the hook-and-loop pad, ensuring it is centered and securely attached.

Figure 3.1: A 9-inch sanding disc, ready for attachment to the sander's hook-and-loop pad.

3.3 Connecting to a Dust Extractor

The DCE800B features an AirLock™ connection for quick and secure attachment to compatible DEWALT dust extractors.

1. Locate the AirLock™ port on the sander's handle.
2. Align the AirLock™ connector of your DEWALT dust extractor hose with the port.
3. Push and twist the hose connector until it locks securely into place.
4. Ensure the dust extractor is powered on before operating the sander for effective dust collection.

Figure 3.2: Detail of the AirLock™ dust extraction connection point on the sander's handle, designed for secure, tool-free attachment to DEWALT dust extractors.

3.4 Adjusting the Telescoping Shaft

1. Loosen the locking collar on the telescoping shaft.
2. Extend or retract the shaft to the desired length.
3. Tighten the locking collar firmly to secure the shaft in position.

4. Operating Instructions

4.1 Powering On/Off

• To turn the sander ON, press the power switch.
• To turn the sander OFF, press the power switch again.

4.2 Adjusting Speed

The variable speed dial allows you to select the optimal sanding speed for different applications.

• Rotate the variable speed dial located on the handle to increase or decrease the sanding speed.
• Lower speeds are suitable for fine finishing or delicate surfaces.
• Higher speeds are effective for aggressive material removal.

4.3 Sanding Techniques

• Surface Preparation: Ensure the drywall compound is completely dry before sanding.
• Initial Contact: Place the sanding head flat against the surface before turning the tool on.
• Movement: Use smooth, overlapping, circular motions. Avoid applying excessive pressure, as the weight of the tool is generally sufficient.
• Articulating Head: Allow the articulating head to follow the contours of the surface naturally.
• Dust Management: Always operate with a connected dust extractor. Periodically check the dust extractor's filter and bag/canister.

4.4 Wireless Tool Control™ (If applicable)

If using a compatible DEWALT dust extractor with Wireless Tool Control™:

1. Refer to your dust extractor's manual for pairing instructions.
2. Once paired, the dust extractor will automatically turn on when the sander is activated and turn off shortly after the sander is switched off.

5. Maintenance

Regular maintenance ensures optimal performance and extends the life of your tool. Always disconnect the battery before performing any maintenance.

5.1 Cleaning

• Exterior: Use a soft, damp cloth to clean the exterior of the tool. Do not use harsh chemicals or abrasive cleaners.
• Ventilation Openings: Keep the motor ventilation openings clear of dust and debris to prevent overheating. Use compressed air if necessary.
• Sanding Pad: Inspect the hook-and-loop sanding pad for wear or damage. Replace if the hooks are no longer effectively gripping the sanding discs.

5.2 Battery Care

• Charging: Charge batteries fully before storage and after extended use.
• Storage: Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
• Disposal: Dispose of old or damaged batteries responsibly according to local regulations.

6. Troubleshooting

7. Specifications

8. Warranty and Support

DEWALT provides a limited warranty for its products. For detailed warranty information, please refer to the warranty card included with your product or visit the official DEWALT website.

For technical support, service, or replacement parts, please contact DEWALT customer service or an authorized service center. Have your model number (DCE800B) and serial number ready when contacting support.

Online Resources: www.dewalt.com