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4
6. Do not touch the bit or the workpiece immedi-
ately after operation; they may be extremely hot
and could burn your skin.
7. Some material contains chemicals which may be
toxic. Take caution to prevent working dust inha-
lation and skin contact. Follow material supplier
safety data.
SAVE THESE INSTRUCTIONS
WARNING:
MISUSE or failure to follow the safety
rules stated in this instruction manual
may cause serious personal injury.
SYMBOLS
USD202-2
The followings show the symbols used for tool.
V............................volts
A ...........................amperes
Hz..........................hertz
..................alternating current
.......................no load speed
.......................Class II Construction
.../min....................revolutions or reciprocation per
minute
..................number of blow
FUNCTIONAL DESCRIPTION
CAUTION:
• Always be sure that the tool is switched off and
unplugged before adjusting or checking function on
the tool.
Switch action
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 HP1620F, HP1621F
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
This tool has a reversing switch to change the direction of
rotation. Move the reversing switch to the position (A
1. Switch trigger
2. Lock button
n
˚
1
2
004359
1. Lamp
1. Reversing
switch
1
004360
A
B
1
004361