Functional Description - Makita HR2621 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
014361
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, push in the
lock button and then release the switch trigger. To stop
the tool from the locked position, pull the switch trigger
fully, then release it.
Reversing switch action
1
A
B
014362
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.
NOTE:
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.
1. Switch trigger
1
2. Lock button
2
1. Reversing switch
lever
runs at half speed.
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.
Selecting the action mode
Rotation with hammering
1
2
010724
For drilling in concrete, masonry, etc., rotate the action
mode changing knob to the
carbide tipped bit.
Rotation only
1
010726
For drilling in wood, metal or plastic materials, rotate the
action mode changing knob to the
twist drill bit or wood bit.
Hammering only
1
010725
For chipping, scaling or demolition operations, rotate the
action mode changing knob to the
bull point, cold chisel, scaling chisel, etc.
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
•
For
mechanism, be sure that the action mode
changing knob is always positively located in one
of the three action mode positions.
5
1. Rotation with
hammering
2. Action mode
changing knob
symbol. Use a tungsten-
1. Rotation only
symbol. Use a
1. Hammering only
symbol. Use a