OPERATING INSTRUCTIONS
3. Variable-speed Trigger Switch
a. To turn the hammer drill ON, depress the
variable-speed trigger switch (E).
b. To turn it OFF, release the variable-speed
trigger switch.
c. The variable-speed trigger switch delivers
higher speed with increased trigger pressure
and lower speed with decreased trigger
pressure.
Electric Brake
The hammer drill is equipped with an electric
brake. When the variable-speed trigger switch is
released, the electric brake engages automatically
to quickly stop rotation.
4. Two-Speed Gear Box
The hammer drill has a two-speed gear box
designed for drilling or driving at two different
variable-speed ranges. A gear selector (D) is
located on the top of the hammer drill to select
either 1 (Low) or 2 (High) speed.
Setting 1 will deliver lower speeds and increased
power and torque. Use setting 1 for heavy-duty
work or driving screws.
Setting 2 will deliver higher speeds and reduced
power and torque. Use setting 2 for drilling wood
and wood composites and for using abrasive and
polishing accessories.
NOTICE: Never change gears while the tool is running. Failure to obey this caution could
result in serious damage to the hammer drill.
5. Keyless Chuck
The hammer drill has a keyless chuck (A) to
tighten or release drill bits in the chuck jaws. The
arrows on the chuck indicate the direction in which
to rotate the chuck body in order to GRIP (tighten)
or OPEN (release) the chuck jaws on the drill bit.
3
E
4
5
A
10
D