Tools / Power Tools
User Manual for Dewalt 18V-20V Cordless Heat Gun
Quick guide for the Dewalt 18V-20V Cordless Heat Gun. Learn how to operate, install attachments, maintain, and safely use your heat gun for various applications.
Quick answers from the manual
Quick answer
- The Dewalt 18V-20V Cordless Heat Gun is a portable tool for softening paint, adhesives, shrinking tubing, and plastic film. It operates using a 20V battery and features a child lock and LED light. p. 1, 8
Key actions
- Turn on the heat gun p. 4
- Install attachments p. 4
First start
- Insert a compatible 20V battery pack, ensure the area is safe, depress the lock-off button, and pull the switch trigger. p. 3, 4
Problems and fixes
Tool won't start
Depress the lock-off button first.
p. 4Maintenance and reset
- Keep ventilation openings clean and free of foreign matter. Use compressed air for cleaning. p. 9
Technical specifications
| Parameter | Value | Meaning | Pages |
|---|---|---|---|
| Maximum Temperature | 990°F (532°C) | Operating temperature | p. 8 |
Where to find it in the PDF
- Product Introduction p. 3
- Operation p. 4
- Safety Warnings p. 5, 6, 7
- Maintenance p. 9
Table of contents
Quick guide from the manual
The Dewalt 18V-20V Cordless Heat Gun is designed for tasks such as softening paint, adhesives, and putty, as well as shrinking tubing and plastic film. This guide covers essential operation, safety, and maintenance procedures. Always ensure the tool is cool before changing attachments and wear appropriate eye protection.
Product Overview
The heat gun features several key components:
- A: Heat gun nozzle
- B: Nose cone
- C: Child Lock
- D: Switch Trigger
- E: LED light
- Attachments: Includes 20mm concentrator nozzle, 12mm concentrator nozzle, deflector nozzle, reflector nozzle, and a triangular scraper.
Operation
The heat gun features a lock-off button to prevent accidental starting.
Turning the Heat Gun ON/OFF
- To turn on: Depress the lock-off button and press the switch trigger.
- To turn off: Release the switch trigger.
Operating Modes
- Mode 1: Lightly press the child lock, then press the switch trigger to turn on. Release the trigger to turn off.
- Mode 2: Lightly press the child lock, then press the power trigger. Press the child lock again to keep the heat gun running continuously. Press the power switch to turn it off.
Note: The lock-off button can be depressed from either the left or right side.
Safety Warnings
General Safety: Keep the work area clean and well-lit. Do not operate in explosive atmospheres. Always wear eye protection (ANSI Z87.1).
Paint Removal Safety: Extreme care is required when stripping paint. Pre-1977 paint may contain lead. Do not use a torch to remove lead-based paint. Follow strict guidelines including working outdoors or in well-ventilated areas, using a dust respirator, and cleaning up debris thoroughly.
Heat Gun Specifics: The nozzle becomes extremely hot. Do not touch it until cooled. Move the tool back-and-forth to prevent overheating or igniting materials.
Maintenance
- Cleaning: Keep the tool clean and free of oil or grease. Use a mild soap and damp cloth. Do not allow liquid to enter the tool. Keep ventilation openings clear; use compressed air to clean them.
- Storage: Allow the tool to cool to room temperature before storing. Keep out of reach of children.
Manufacturer information
DEWALT
Practical help
Common problems
Tool will not start
Ensure the lock-off button is depressed before pulling the switch trigger.
LED light stays on after turning off
This is normal; the software keeps the LED on for a few seconds after the tool is powered off.
Before use
- Ensure the battery pack is charged and compatible (20V).
- Check that the nozzle is cool before installing or removing attachments.
- Wear eye protection (ANSI Z87.1).
- Ensure the work area is clean, well-lit, and free of flammable materials.
- Verify the lock-off button is functioning correctly.
Specs in practice
- Maximum Temperature
- 990°F (532°C)
- Power Source
- 20V Battery Pack (not included)
Images and diagrams
- The diagram on page 3 identifies the nozzle, nose cone, child lock, switch trigger, and LED light.
- Attachments include various nozzles (concentrator, deflector, reflector) and a scraper.
Model compatibility
- Requires a 20V battery pack (not included).
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.