11. Do not touch the bit or parts close to the bit immediately after operation; they
may be extremely hot and could burn your skin.
12. Some material contains chemicals which may be toxic. Take caution to
prevent dust inhalation and skin contact. Follow material supplier safety
data.
SAVE THESE INSTRUCTIONS.
WARNING!
MISUSE or failure to follow the safety rules stated in this
instruction manual may cause serious personal injury.
INSTRUCTIONS FOR OPERATION
1
．
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．
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Installing or Removing the Bit
CAUTION: Always be sure that the tool is switched OFF and unplugged
before installing or removing the
bit.
Clean the bit shank and smear it
with grease or machine oil before
installation.
To install the bit, rotate the stop
lever 180° in a clockwise direction
while pulling it toward you. Then
insert the bit shank into the
hexagonal hole on the front cover.
(Fig. 1)
Clamp the tool by turning the stop
lever by half a turn in the opposite
direction. (Fig. 2)
To remove the bit, follow the
installation procedure in reverse.
2
．
．
．
．
Switch Operation
CAUTION: Before plugging in the tool, always check to see that the trigger switch
actuates properly and returns to the “OFF” position when released.
To start the tool, simply pull the switch
trigger. Release the trigger to stop. For
continuous operation, pull the switch
trigger and then push in the lock button.
To stop the tool from the locked position,
press the switch trigger fully, then
release it. (Fig. 3)
3
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．
．
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Chipping/Scaling/Demolition
Pull the trigger switch after applying the tip of the bit to the crushing position. In
some cases, it is necessary to punch the tip of the bit against the crushing position
forcibly in order to begin the striking motion. This is not due to malfunction of the
tool. It means that the safe guard
mechanism against no-load striking is
working.
Operate the tool by utilizing its empty
weight. The performance will not be
better even if the tool is pressed or
thrust forcibly against the work surface.
Hold the tool with a force just sufficient
to counteract the reaction. (Fig. 4)
CAUTION:
Sometimes the tool does not begin the striking motion even when the motor
rotates because the oil has become thick.
If the tool is used at low temperatures or if it is used after a long time idle, the
tool should be used running in for five minutes in order to warm it up.
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