5
FUNCTIONAL DESCRIPTION
CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on
the tool.
Switch action
Fig.1
CAUTION:
• Before plugging in the tool, always check to see
that the switch trigger actuates properly and returns
to the "OFF" position when released.
To start the tool, simply pull the switch trigger. Tool speed
is increased by increasing pressure on the switch trigger.
Release the switch 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, pull the switch
trigger fully, then release it.
A speed adjusting dial is provided so that maximum tool
speed can be limited (variable). Turn the speed adjusting
dial clockwise for higher speed, and counterclockwise for
lower speed.
Fig.2
Lighting up the lamps
For Model HP2070F, HP2071F
Fig.3
CAUTION:
• Do not look in the light or see the source of light
directly.
To turn on the lamp, pull the trigger. Release the trigger to
turn it off.
NOTE:
• Use a dry cloth to wipe the dirt off the lens of lamp.
Be careful not to scratch the lens of lamp, or it may
lower the illumination.
• Never use gasoline or thinner to clean the lens of
the lamp, or it will be damaged.
Reversing switch action
Fig.4
This tool has a reversing switch to change the direction of
rotation. Move the reversing switch lever to the position
(A side) for clockwise rotation or the position (B side)
for counterclockwise rotation.
CAUTION:
• Always check the direction of rotation before
operation.
• Use the reversing switch only after the tool comes
to a complete stop. Changing the direction of
rotation before the tool stops may damage the tool.
• If the switch trigger can not be depressed, check to
see that the reversing switch is fully set to
position (A side) or (B side).
Speed change
Fig.5
Two speed ranges can be preselected with the speed
change knob.
To change the speed, turn the speed change knob so that
the arrow on the tool body points toward the "I" position
on the knob for low speed or "II" position for high speed.
If it is hard to turn the knob, first turn the chuck slightly in
either direction and then turn the knob again.
CAUTION:
• Use the speed change knob only after the tool
comes to a complete stop. Changing the tool speed
before the tool stops may damage the tool.
• Always set the speed change knob to the correct
position. If you operate the tool with the speed
change knob positioned halfway between the "I"
and "II" position, the tool may be damaged.
Selecting the action mode
Fig.6
This tool has an action mode change lever. For rotation
with hammering, slide the action mode change lever to
the right ( symbol). For rotation only, slide the action
mode change lever to the left ( symbol).
CAUTION:
• Always slide the action mode change lever all the
way to your desired mode position. If you operate
the tool with the lever positioned halfway between
the mode symbols, the tool may be damaged.
ASSEMBLY
CAUTION:
•
Always be sure that the tool is switched off and
unplugged before carrying out any work on the tool.
Installing side grip (auxiliary handle)
Fig.7
Always use the side grip to ensure operating safety.
Install the side grip so that the teeth on the grip fit in
between the protrusions on the tool barrel.
Then tighten the grip by turning clockwise at the desired
position. It may be swung 360° so as to be secured at
any position.
Installing or removing drill bit
For Model HP2070, HP2070F
Fig.8
To install the bit, place it in the chuck as far as it will go.
Tighten the chuck by hand. Place the chuck key in each
of the three holes and tighten clockwise. Be sure to
tighten all three chuck holes evenly.
To remove the bit, turn the chuck key counterclockwise in
just one hole, then loosen the chuck by hand.
After using the chuck key, be sure to return to the original
position.
