Tools / Power Tools
User Manual for Bosch GHG 18V-50 Professional Heat Gun
Quick guide for the Bosch GHG 18V-50 Professional heat gun. Includes setup, operation, safety instructions, and maintenance tips.
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Jump to the sectionQuick guide from the manual
The Bosch GHG 18V-50 Professional is a cordless heat gun designed for deforming and welding plastic, removing paint, and heating heat-shrink tubing. It is also suitable for soldering, tinning, and thawing water pipes. It is intended for handheld, supervised use.
Safety Instructions
- Always wear safety goggles.
- Wear protective gloves and do not touch the hot nozzle.
- Do not use as a hair dryer.
- Keep the work area well-ventilated.
- Remove the battery before adjusting settings or changing accessories.
Operation
Selecting a Power Setting
Use the power level setting (3) to choose between two levels:
- 300°C: For thawing pipes or processing heat-shrink tubes.
- 500°C: For removing paint or soft-soldering.
Switching On and Off
To switch on, press the unlocking switch (4) and then the on/off switch (5). To switch off, release the on/off switch (5). Place the tool on the battery (9) to allow it to cool down.
LED Status Indicators
The LED worklight (6) also serves as a status indicator:
- Brief flashing: Temperature change.
- Flashing multiple times at start: Reduced output (battery < 4 Ah).
- Slow flashing while switch is pressed: Restart protection or battery overheat protection.
- Fast flashing while switch is pressed: Internal error.
Maintenance and Cleaning
Remove the battery before any work on the tool. Keep the heat gun and ventilation slots clean.
Manufacturer information
Bosch
Practical help
Common problems
Heat gun does not start or switches off during operation.
Check for internal error; if the error persists, contact customer service.
Reduced power at 500°C setting.
Use a battery with at least 4 Ah capacity for full performance.
Heat gun overheats.
Do not position the nozzle too close to the workpiece; ensure proper airflow.
Before use
- Ensure battery is charged
- Check nozzle for obstructions
- Test air volume and temperature on a scrap piece
- Wear safety goggles and protective gloves
Images and diagrams
- (3) Power level setting
- (5) On/off switch
- (6) LED worklight
Model compatibility
- Compatible with all 18V Bosch Professional batteries.
- Full performance at 500°C requires at least 4 Ah battery.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.