Operators Manual

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
1
2
009238
CAUTION:
• Before plugging in the tool, always check to see
that the switch trigger actuates properly and
returns to the "OFF" position when released.
• Switch can be locked in "ON" position for ease of
operator comfort during extended use. Apply
caution when locking tool in "ON" position and
maintain firm grasp on tool.
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.
Lighting up the lamps
For Model HP1640F,HP1641F
1
009245
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
1
A
B
009239
This tool has a reversing switch to change the direction
of rotation. Move the reversing switch 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).
Selecting the action mode
1
009240
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.
1. Action mode
changing lever
1. Reversing
switch
1. Lamp
1. Switch trigger
2. Lock button