Important Safety Information
Always read and understand all instructions before operating this tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious personal injury.
- Always wear eye protection that complies with ANSI Z87.1.
- Wear hearing protection during extended periods of use.
- Do not operate in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust.
- Keep hair, loose clothing, fingers, and all parts of body away from openings and moving parts.
- Use only with specified battery packs and chargers.
- Do not allow children to operate the blower.
Product Overview
The DEWALT 20V MAX Blower DCE100B is a compact, cordless tool designed for clearing debris from various surfaces. Its lightweight design and variable speed control make it suitable for jobsite cleanup and light outdoor tasks.

Figure 1: DEWALT 20V MAX Blower DCE100B

Figure 2: Key components including Variable Speed Switch, Trigger Lock, and Nozzle.
Components:
- Nozzle Attachments: Three interchangeable nozzles are included for various applications.
- Variable Speed Switch: Allows selection of three different airflow levels.
- Variable Speed Trigger: Provides precise control over blowing power.
- Trigger Lock-on: Reduces user fatigue during extended operation.
- Battery Port: Compatible with DEWALT 20V MAX Lithium Ion batteries (sold separately).
Setup
1. Attaching Nozzle Attachments:
- Align the desired nozzle attachment with the blower's air outlet.
- Push the nozzle onto the outlet and twist it clockwise until it locks securely into place.
- To remove, twist counter-clockwise and pull the nozzle off.
2. Installing/Removing Battery:
- To install, align the battery with the battery port on the blower and slide it in until it clicks into place.
- To remove, press the battery release button (if present) and slide the battery out.
Operating Instructions
1. Starting and Stopping the Blower:
- Ensure a charged 20V MAX battery is installed.
- To start, depress the variable speed trigger. The airflow will correspond to the pressure applied to the trigger.
- To stop, release the variable speed trigger.
2. Using the Variable Speed Switch:
The blower features a 3-speed variable speed switch for different applications.

Figure 3: Variable Speed Switch for adjusting airflow levels.
- Slide the switch to select Low, Medium, or High speed settings.
- Low speed is suitable for delicate tasks or confined spaces.
- High speed provides maximum airflow for clearing larger debris.
3. Engaging the Trigger Lock-on:
For continuous operation without holding the trigger, use the trigger lock-on feature.

Figure 4: Trigger Lock-on mechanism.
- Depress the trigger fully, then push the trigger lock-on button to engage.
- To disengage, depress the trigger again.
4. Applications:
- Clearing debris from ground and overhead.
- Tuck pointing and cleaning joints.
- General work area cleanup.

Figure 5: The compact design allows for use in various work environments.
Maintenance
1. Cleaning:
- Keep the air vents clear and free of debris to prevent overheating.
- Use a soft, damp cloth to clean the exterior of the blower. Do not use harsh chemicals.
- Periodically inspect the nozzle attachments for wear or damage.
2. Battery Care and Storage:
- Store batteries in a cool, dry place away from direct sunlight and extreme temperatures.
- Charge batteries fully before storage and periodically during long storage periods to maintain battery health.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Blower does not start. | Battery not installed correctly or discharged. | Ensure battery is fully seated. Charge battery. |
| Low airflow. | Nozzle obstructed or battery low. | Clear any obstructions from the nozzle. Charge battery. |
| Nozzle detaches during use. | Nozzle not properly locked. | Ensure nozzle is twisted and locked securely into place. |
Specifications
| Feature | Specification |
|---|---|
| Brand | DEWALT |
| Model Name | DCE100B |
| Power Source | Battery Powered |
| Voltage | 20 Volts |
| Air Flow Capacity | 100 Cubic Feet Per Minute (CFM) |
| Speed | 135 Miles per Hour (MPH) |
| Item Weight | 2.5 Pounds |
| Product Dimensions | 12.6"L x 5.7"W x 7.85"H |
| Included Components | DCE100B Blower and (3) Nozzle attachments |
| Batteries Required? | Yes (Lithium Ion, sold separately) |
Warranty and Support
This DEWALT product comes with a 3-year limited manufacturer's warranty.
For detailed warranty information, service, or additional support, please refer to the official user manual PDF or visit the DEWALT website.
Official User Manual (PDF): Download Here







