Tools / Power Tools
Bosch GOP 12V-28 Professional Multi-Cutter User Guide
Quick guide for the Bosch GOP 12V-28 Professional multi-cutter, covering tool setup, accessory selection, battery management, and safety instructions.
Table of contents
Quick guide from the manual
The Bosch GOP 12V-28 Professional is a cordless multi-cutter designed for sawing, cutting, sanding, and scraping various materials including wood, plastic, plaster, and non-ferrous metals. This guide provides essential information for safe and efficient operation.
Device Description
The tool features an on/off switch, battery release button, oscillation speed preselection thumbwheel, and an accessory holder. It is compatible with Starlock accessories.
Assembly and Tool Change
Warning: Always remove the battery before performing any maintenance or changing accessories to prevent accidental startup.
- Use the provided hex key to loosen the clamping bolt.
- Position the desired accessory on the holder so the depressed center faces downwards.
- Rotate the accessory to the desired position (12 positions offset by 30° are possible).
- Secure the accessory by tightening the clamping bolt until the rounded head lies flat against the accessory.
- Check that the accessory is seated securely.
Operation
Switching On/Off: Slide the on/off switch forward to position 'I' to turn on, and backward to '0' to turn off.
Oscillation Speed: Use the thumbwheel to preselect the required oscillation speed based on the material and working conditions. For sanding, use a maximum speed level of '4'.
Dust Extraction
For sanding, always connect a dust extraction system. The system is designed specifically for use with the sanding plate. Connect the extraction hose of a suitable vacuum cleaner to the extraction outlet of the dust extraction system.
Battery Management
The battery charge indicator shows the charge level for 5 seconds after switching on. If the tool shuts down automatically due to low battery or overheating, turn it off and allow the battery to cool or charge it before restarting.
Safety
Always wear personal protective equipment, including eye protection. Keep hands away from the sawing area and do not reach under the workpiece. Use clamps to secure the workpiece to a stable platform.
Manufacturer information
Bosch
Practical help
Common problems
Tool shuts down automatically
Battery is flat or overheated. Turn off the tool, charge the battery, or let it cool down.
Accessory becomes loose
Check that the accessory is seated securely and the clamping bolt is tightened properly.
Dust extraction not working
Ensure the dust extraction system is correctly mounted and the vacuum hose is securely connected.
Before use
- Ensure the battery is fully charged.
- Check that the accessory is correctly mounted and tightened.
- Verify that the oscillation speed is set appropriately for the material.
- Connect a dust extraction system if sanding.
- Ensure the workpiece is securely clamped.
Specs in practice
- No-load speed (n₀)
- 5000–20000 min⁻¹, the oscillation rate of the tool when not under load.
- Oscillation angle
- 1.4° to the left/right, the range of movement for the accessory.
Model compatibility
- Compatible with Starlock accessories.
- Not compatible with Starlock Plus or Starlock Max accessories.
Manual page author
Emily Carter
User documentation editor
Prepares concise manual descriptions and highlights the most useful setup, operation, and maintenance information for readers.