Tools / Power Tools
Bosch GBH 18V-18 Professional Cordless Rotary Hammer User Guide
Quick guide for the Bosch GBH 18V-18 Professional Cordless Rotary Hammer, covering setup, operation, battery management, and safety instructions.
Table of contents
Quick guide from the manual
This document provides essential instructions for the Bosch GBH 18V-18 Professional Cordless Rotary Hammer. It covers safety, operation, and maintenance. Always ensure the battery is removed before performing any maintenance or changing accessories to prevent accidental startup.
Device Description
The tool is designed for hammer drilling in concrete, brick, and stone, and for drilling without impact in wood, metal, ceramic, and plastic. Models with electronic control and right/left rotation are also suitable for screwdriving.
Battery Management
Use only the chargers listed in the technical data. Lithium-ion batteries are supplied partially charged. Fully charge the battery before first use. The battery features a charge indicator; press the button to check the status. Store batteries within the -20°C to 50°C temperature range.
Operation
Use the impact/mode selector switch to choose between hammer drilling and drilling without impact. Always change the mode only when the tool is switched off. The rotational direction switch allows changing the direction of rotation; do not operate this switch while the tool is in use.
Maintenance and Cleaning
Keep the tool and ventilation slots clean for safe operation. Replace a damaged dust protection cap immediately. Clean the tool holder after each use.
Safety
Always wear ear protection. Use the auxiliary handle provided. Hold the tool by insulated gripping surfaces when performing operations where the cutting accessory may contact hidden wiring. Avoid dust accumulation at the workplace as dust can easily ignite.
Manufacturer information
Bosch
Practical help
Common problems
Tool does not start
Check if the battery is charged and properly inserted. Ensure the rotational direction switch is not in the middle position.
Battery charge indicator does not light up
The battery may be defective and must be replaced.
Tool stops suddenly (KickBack Control)
Release the on/off switch and press it again to restart. This indicates the tool has rotated unexpectedly.
Before use
- Ensure the battery is fully charged.
- Check that the auxiliary handle is securely tightened.
- Select the correct operating mode (hammer drilling or drilling).
- Ensure the correct drill bit or accessory is inserted and locked.
- Set the rotational direction switch to clockwise for drilling.
Specs in practice
- Rated voltage
- 18V DC power supply.
- Max. drilling diameter (Concrete)
- Maximum hole diameter in concrete is 18 mm.
Model compatibility
- Compatible with GBA 18V and ProCORE18V battery series.
- Compatible with GAL 18..., GAX 18..., and GAL 36... chargers.
- Use SDS plus tools for hammer drilling.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.