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24.ALWAYS wear a mask or respirator to protect yourself from dust or potentially harmful particles generated during the grinding operation.
25.ALWAYS firmly grip the body handle and side handle while operating the grinder.
26.ALWAYS have a trial run before grinding commence (see “Test the grinder before using” on page 12).
27.ALWAYS follow the instructions contained in this manual when replacing the depressed center wheel.
28.ALWAYS be careful with buried object such as an underground wiring.
Touching these active wiring or electric cable with this tool, you may receive an electric shock.
Comfirm if there are any buried object such as electric cable within the wall, floor or ceiling where you are going to operate here after.
29.Definitions for symbols used on this tool V ............ volts
Hz .......... hertz
A ............ amperes
no .......... no load speed
W ........... watt
........... Class II Construction
DOUBLE INSULATION FOR SAFER OPERATION
To ensure safer operation of this power tool, HITACHI has adopted a double insulation design. “Double insulation “ means that two physically separated insulation systems have been used to insulate the electrically conductive materials connected to the power supply from the outer frame handled by the operator. Either the symbol “
” or the words “Double insulation” appear on the power tool or on the nameplate.
Although this system has no external grounding, you must still follow the normal electrical safety precautions given in this Instruction Manual, including not using the power tool in wet environments.
To keep the double insulation system effective, follow these precautions:
◯Only HITACHI AUTHORIZED SERVICE CENTER should disassemble or assemble this power tool, and only genuine HITACHI replacement parts should be installed.
◯Clean the exterior of the power tool only with a soft cloth moistened with soapy water, and dry thoroughly.
Never use solvents, gasoline or thinners on plastic components; otherwise the plastic may dissolve.
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