Functional Description - Makita HP1640 Instruction Manual

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.
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
Fig.2
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.3
This tool has a reversing switch to change the direction
of rotation. Move the reversing switch to the
(A side) for clockwise rotation or the
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
position
position (B side)
(B side).
Selecting the action mode
Fig.4
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 (
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.5
Always use the side grip to ensure operating safety.
Install the side grip on tool barrel.
Then tighten the grip by turning clockwise securely at
the desired position. It may be swung 360° so as to be
secured at any position.
NOTE:
The side grip cannot swing 360° when the depth
•
gauge is installed.
Installing or removing drill bit
For Model HP1640, HP1640F
Fig.6
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.
For Model HP1641, HP1641F
Fig.7
Hold the ring and turn the sleeve counterclockwise to open the
chuck jaws. Place the bit in the chuck as far as it will go. Hold
the ring firmly and turn the sleeve clockwise to tighten the chuck.
To remove the bit, hold the ring and turn the sleeve
counterclockwise.
Depth gauge
Fig.8
The depth gauge is convenient for drilling holes of
uniform depth. Loosen the side grip and insert the depth
gauge into the hole in the side grip. Adjust the depth
gauge to the desired depth and tighten the side grip.
5
symbol).