Safety Instructions for Bosch Diamond Cutting Discs
Essential safety and usage guide for Bosch diamond cutting discs. Learn about proper mounting, inspection, operation, maintenance, and safety precautions for optimal performance with power tools.
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Table of contents
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This document provides essential safety and operational guidelines for using diamond cutting discs with power tools. Always follow these instructions to ensure safe and efficient operation.

Safety warnings
- Regular cleaning: Clean the clamping set, spindle, and cutting disc regularly.
- Dimensions: Ensure the bore in the cutting disc matches the hub flange. Never enlarge the bore.
- Speed: The permitted maximum speed of the cutting disc must be at least equal to the maximum speed of the power tool.
Mounting and inspection

- Inspection: Check the cutting disc before every use. Do not use damaged, out-of-round, or vibrating discs.
- Test run: Perform a test run for at least 30 seconds without load before starting work.
Operation
- Technique: Do not press or tilt the disc during cutting. Work with moderate feed adapted to the material.
- Angle: Work only at right angles and in a straight line. Curved cuts can cause cracks or segment breaks.
- Cooling: Allow discs to cool before touching them, as they become very hot during operation.
- Transport: Remove the cutting disc before transporting the power tool to prevent damage.
Maintenance
- Sharpening: Discs are self-sharpening. If work rate decreases or sparking increases, sharpen the disc by making short cuts in abrasive material (e.g., sandstone).
Angle grinder usage
- Equipment: Always use a protective guard, guide, and dust extraction device.
- Technique: Avoid deep cuts. Always feed the power tool against the direction of rotation to prevent uncontrolled ejection from the cut.
- Wet cutting: If wet cutting is permitted, ensure an uninterrupted water supply.
Manufacturer information
Bosch
Practical help
Common problems
Disc performance drops or sparking increases
The disc is blunt. Sharpen it by making short cuts in abrasive material like sandstone.
Disc vibrates or is damaged
Do not use the disc. Replace it immediately.
Before use
- Clean the clamping set and spindle
- Verify disc dimensions match the hub flange
- Ensure disc speed rating is sufficient for the tool
- Perform a 30-second test run without load
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Specs in practice
- Maximum speed
- The disc must be rated for a speed equal to or higher than the power tool's maximum speed.
Images and diagrams
- Page 4: Shows required PPE (glasses, ear protection, mask, gloves, boots) and usage with guards and dust extraction.
- Page 5: Shows correct mounting of Bosch rings (Figure B).
Model compatibility
- Ensure the disc bore matches the hub flange.
- Use only with appropriate protective guards and guides for angle grinders.
Manual page author
Michael Turner
Technical manual editor