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the tool. NEVER allow the tool to be operated by children, individuals unfamiliar with
its operation or unauthorized personnel.
11. Keep all screws, bolts and covers tightly in place.
Keep all screws, bolts, and plates tightly mounted. Check their condition periodically.
12. 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.
13. Blades and accessories must be securely mounted to the tool.
Prevent potential injuries to youself or others. Blades, cutting implements and
accessories which have been mounted to the tool should be secure and tight.
14. 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.
15. 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.
16. 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.
17. NEVER leave tool running unattended. Turn power off.
Don’t leave tool until it comes to a complete stop.
18. Carefully handle power tools.
Should a power tool be dropped or struck against hard materials inadvertently, it may
be deformed, cracked, or damaged.
19. 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.
20. NEVER use a depressed center wheel which is cracked or deformed or worn away (see
the MAINTENANCE AND INSPECTION section on page 14).
21. NEVER use the grinder in places where the sparks generated by the grinder can cause
explosion, such as where flammable materials or gases are present.
22. NEVER push in the push button while the spindle is running.
23. ALWAYS wear eye protection that meets the requirement of the latest revision of ANSI
Standard Z87.1.
24. ALWAYS wear a mank or respirator to protect yourself from dust or potentially harmful
particles generated during the grinding operation.