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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. ALWAYS wear eye protection that meets the requirement of the latest revision
of ANSI Standard Z87.1.
21. When working in high places, check there is nobody below. During operation,
take care not to catch or tighten the cord accidentally.
22. Switch the reversing switch only after the motor is stopped when it is necessary
to change the direction of the rotation.
23. Use a step up transformer when a long extension cable is used.
24. Confirm the tightening torque by a torque wrench before use in order to ascertain
the correct tightening torque to be used.
25. Attach the hex. socket securely onto the anvil. If the hex. socket is insufficiently
secured, it may drop out and cause an accident. For hex. socket attachment
refer to "PRIOR TO OPERATION" on page 10.
26. Confirm whether the socket has any crack in it.
27. Definitions for symbols used on this tool
W........... watt
........... Class II Construction
---/min ... revolutions per minute
.......... Alternating current
V ............volts
Hz .......... hertz
A............ amperes
no .......... no load speed
01Eng_WR22SA_US 10/26/07, 18:237