Tools / Power Tools
Bosch GBH 187-LI Cordless Rotary Hammer Spare Parts Guide
A comprehensive spare parts and assembly guide for the Bosch GBH 187-LI cordless rotary hammer, featuring detailed exploded-view diagrams and torque specifications for maintenance.
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This document serves as the official spare parts and assembly reference for the Bosch GBH 187-LI cordless rotary hammer (model number 3 611 J23 120). It provides exploded-view diagrams of the tool's internal components, housing, and accessories, along with specific torque requirements for assembly. This guide is intended for maintenance and repair professionals to identify parts and ensure correct reassembly.
Exploded view and assembly
The manual provides detailed diagrams showing the internal mechanical structure of the rotary hammer. Users can identify individual components by their reference numbers. When performing maintenance or repairs, ensure that all fasteners are tightened to the manufacturer's specified torque values to maintain tool integrity and safety.
Torque specifications
For proper assembly, the following torque values must be observed for specific components:
- Pos. 76: 2.1 - 2.4 Nm
- Pos. 77: 1.8 - 2.4 Nm
- Pos. 81: 1.0 - 1.3 Nm
- Pos. 77 (secondary): 2.2 - 2.6 Nm
- Pos. 78: 2.0 - 2.5 Nm
- Pos. 79: 1.5 - 2.0 Nm
- Pos. 109: 6.0 - 7.0 Nm
- Pos. 120: 3.5 - 4.5 Nm
Accessories and components
The guide includes diagrams for standard accessories, including the auxiliary handle assembly, depth stop, battery pack, and charger. It also illustrates the placement of internal electronic modules and motor components.
Contact and support
For technical support or service inquiries, contact Robert Bosch d.o.o, Kneza Branimira 22, 10 040 Zagreb, Croatia. Additional information is available at https://www.boschtoolservice.com.
Official resources from the manual
Manufacturer information
Bosch
Practical help
Common problems
Incorrect assembly torque
Refer to the torque values list in the manual to ensure all screws (Pos. 76-120) are tightened to the specified Nm range.
Before use
- Verify the model number matches 3 611 J23 120.
- Ensure all components are present according to the exploded view.
- Check that the battery pack and charger are compatible.
- Confirm the auxiliary handle and depth stop are correctly installed.
Specs in practice
- Torque values (Nm)
- The required force for tightening specific screws to ensure the tool remains securely assembled and safe to operate.
Images and diagrams
- The diagrams provide a numbered breakdown of every internal and external part of the GBH 187-LI.
- Use the numbers in the diagrams to identify specific replacement parts for ordering.
Model compatibility
- This guide is specific to the Bosch GBH 187-LI model (3 611 J23 120).
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.