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Lock collar
2. Removal
Turn the lock collar counterclock-
wise (looking from the front), then
remove the bit.
NOTE:
If excessive play occurs in the
chuck, secure the drill in place and
open the chuck jaws by turn-
ing the lock collar and
tighten
the screw (left-handed screw) with
a screwdriver by turning it counter-
clockwise (viewed from the front).
Attaching or Removing Bat-
tery Pack
1.
To connect the battery pack:
Line up the alignment marks and at-tach
the battery pack.
Slide the battery pack until it locks into
position.
Alignment marks
2.
To remove the battery pack:
Pull the button from the front to release
the battery pack.
Button
Support handle
Place the support handle at your favorite
position and tighten the handle securely.
Tighten
Loosen
Always use the support handle to en-
sure operating safety.
VI. OPERATION
[Main Body]
Switch Operation
1. The speed increases with the
amount of depression of the trigger.
When beginning work, depress the
trigger slightly to start the rotation
slowly.
2. A feedback electronic controller is
used to give a strong torque even
in low speed.
3. The brake operates when the trig-
ger is released and the motor stops
immediately.
NOTE:
• When the brake operates, a brak-
ing sound may be heard. This is
normal.
• Sparks from the motor brush may
be visible through the body vent
holes on the back of the tool during
switching and braking due to the
load imposed on the motor. This
does not indicate a problem with
the tool.
EY7442_7450_7950(UL).indb 8 2011-2-17 11:48:02