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OPERATION
APPLICATIONS
⅜ Demolishing concrete, chiseling concrete, grooving, bar cutting, and driving piles.
Application examples:
Installation of piping and wiring, sanitary facility installation, machinery installation,
water supply and drainage work, interior jobs, harbor facilities and other civil engineering
work.
PRIOR TO OPERATION
1. Power source
Ensure that the power source to be utilized conforms to the power source requirements
specified on the product nameplate.
2. Power switch
Ensure that the switch is in the OFF position. If the plug is connected to a receptacle
while the switch is in the ON position, the power tool will start operating immediately
and can cause serious injury.
3. Extension cord
When the work area is far away from the power source, use an extension cord of
sufficient thickness and rated capacity. The extension cord should be kept as short as
practicable.
WARNING: Damaged cord must be replaced or repaired.
4. Check the receptacle
If the receptacle only loosely accepts the plug, the receptacle must be repaired. Contact
a licensed electrician to make appropriate repairs.
If such a fautly receptacle is used, it may cause overheating, resulting in a serious
hazard.
5. Confirming condition of the environment:
Confirm that the work site is placed under appropriate conditions conforming to
prescribed precautions.
6. Select the number of strikes (applicable only to H60MB) (Fig. 10)
CAUTION: Do not make any adjustment of the dial during operation. Holding the main
body with one hand can swing you around, resulting in an injury.
This machine has an electronic controlled circuit built-in, enabling stepless regulation
of the number of strikes. Make the most of this machine by adjusting the dial according
to the working contents; chiseling, demolishing, or the quality of the material to be
chiseling or demolishing.
The scale “1” of the dial is for the minimum speed with 900 strikes per minute, and the
scale “6” is for the maximum speed with 1600 strikes per minute.