8.
Keep all screws, bolts and covers tightly in place.
Keep all screws, bolts, and plates tightly mounted. Check their condition periodically.
9.
Do not use power tools if the plastic housing or handle is cracked.
Cracks in the tool's housing or handle can lead to electric shock. Such tools should not
be used until repaired.
10. Blades and accessories must be securely mounted to the tool.
Prevent potential injuries to yourself or others. Blades, cutting implements and
accessories which have been mounted to the tool should be secure and tight.
11. Keep motor air vent clean.
The tool's motor air vent must be kept clean so that air can freely flow at all times.
Check for dust build-up frequently.
12. Operate power tools at the rated voltage.
Operate the power tool at voltages specified on its nameplate.
If using the power tool at a higher voltage than the rated voltage, it will result in
abnormally fast motor revolution and may damage the unit and the motor may burn
out.
13. NEVER use a tool which is defective or operating abnormally.
If the tool appears to be operating unusually, making strange noises, or otherwise
appears defective, stop using it immediately and arrange for repairs by a Hitachi
authorized service center.
14. NEVER leave tool running unattended. Turn power off.
Don't leave tool until it comes to a complete stop.
15. Carefully handle power tools.
Should a power tool be dropped or struck against hard materials inadvertently, it may
be deformed, cracked, or damaged.
16. Do not wipe plastic parts with solvent.
Solvents such as gasoline, thinner benzine, carbon tetrachloride, and alcohol may
damage and crack plastic parts. Do not wipe them with such solvents.
Wipe plastic parts with a soft cloth lightly dampened with soapy water and dry
thoroughly.
17. ALWAYS wear eye protection that meets the requirement of the latest revision of ANSI
18. ALWAYS wear a mask or respirator to protect yourself from dust or potentially harmful
particles generated during the operation.
19. Do NOT use any cutting tool other than a diamond wheel.
Use the diamond wheel specified in this manual.
20. Don't use it for cutting of metallic materials. Diamond wheel may be broken or
its service life may be remarkably reduced when it is used for cutting of metallic
materials. Be sure not to use the wheel for cutting of metals.
21. Do not start the cutter while the diamond wheel is in contact with the material.
22. Keep the motor interior free of water.
Standard Z87.1.
English
7