Torque Limiter - Makita HR2451 Instruction Manual

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.
Reversing switch action
For Model HR2450F, HR2450 only
A
B
2
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.
• When you operate the tool in counterclockwise
rotation, the switch trigger is pulled only halfway
and the tool
counterclockwise rotation, you cannot push in the
lock button.
This tool has a reversing switch to change the direction of
rotation. Move the reversing switch lever to the
tion (A side) for clockwise rotation or to the
(B side) for counterclockwise rotation.
Selecting action mode
CAUTION:
• Do not rotate the action mode changing knob when
the tool is running under load. The tool will be
damaged.
• To avoid rapid wear on the mode change
mechanism, be sure that the action mode changing
knob is always positively located in one of the three
action mode positions.
001293
1. Switch trigger
2. Reversing
switch lever
1
runs at half speed.
Rotation with hammering
3
For drilling in concrete, masonry, etc., depress the lock
button and rotate the action mode changing knob to the
symbol. Use a tungsten-carbide tipped bit.
Hammering only
For chipping, scaling or demolition operations, depress
the lock button and rotate the action mode changing
knob to the
ing chisel, etc.
Rotation only
For
posi-
position
For drilling in wood, metal or plastic materials, depress
the lock button and rotate the action mode changing
knob to the

Torque limiter

The torque limiter will actuate when a certain torque level
is reached. The motor will disengage from the output
shaft.
When this happens, the bit will stop turning.
CAUTION:
• As soon as the torque limiter actuates, switch off
the tool immediately. This will help prevent
premature wear of the tool.
5
003573
1
2
003574
1
symbol. Use a bull point, cold chisel, scal-
003575
1
symbol. Use a twist drill bit or wood bit.
1. Rotation with
hammering
2. Lock button
3. Action mode
changing knob
1. Hammering only
1. Rotation only