9
4. Regulating the number of rotations and hammering (Fig. 3)
This Rotary Hammer is equipped with a built-in electronic control circuit that can adjust and regulate
the number of rotations and times of hammering. This Rotary Hammer can be used by adjusting the
speed adjuster knob, depending upon the contents of operation, such as boring holes into fragile
materials, chipping, centering, etc.
The scale’1’ of the speed adjuster knob is designed for a minimum speed with the number of 235
rotations per minute and 1350 times of blow per minute. The scale ‘6’ is designed for a maximum
speed with the number of 514 rotations per minute and 2950 times of blow per minute.
CAUTION:
Do not adjust the speed adjuster knob during operation. Doing so can result in injury because the
Rotary Hammer must be held by only one hand, disabling the steady control of the Rotary Hammer.
5. Indicator LEDS (Fig. 4)
The green power-ON indicator LED lights up when the tool is plugged. If indicator led does not light
up, the mains cord or the controller may be detective. The red service indicator LED lights up when the
carbon brushes are worn out to indicate that the tool needs servicing.
Operation
CAUTION:
To prevent accidents, make sure to turn the switch off and disconnect the plug from the receptacle
when the drill bits and other various parts are installed or removed. The power switch should also be
turned off during a work break and after work.
1.
Switch operation
Switch on
Press the switch towards
①
direction
Switch off
Release the switch towards
②
direction
2. When drilling at “ro hammering”:
If you switch the function knob during motor rotation, the tool can start to rotate abruptly, resulting
in unexpected accidents. Be sure to switch the function knob when the motor is at a complete stop.
(1) Switching to “ro hammering”
Turn the function knob clockwise. Align
▲
of the function knob and
of the cover as illustrated
in
Fig.5.
(2) Mount the drill bit.
(3) Pull the trigger switch after applying the drill bit tip to the drilling position
Fig.6
(4) Pushing the rotary hammer forcibly is not necessary at all. Pushing slightly so that drill dust comes
out gradually is sufficient.
CAUTION:
Although this machine is equipped with a safety clutch, if the drill bit becomes bound in concrete or
other material, the resultant stoppage of the drill bit could cause the machine body to turn in
reaction. Ensure that the main handle and side handle are gripped firmly during operation.
3. When chipping and chiseling at “hammering”:
CAUTION:
○
If the function knob is switched during motor rotation, the tool can start to rotate abruptly, resulting
in unexpected accidents. Make sure to switch the function knob when the motor is at a complete stop.
Summary of Contents for P40
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