Makita HR2450F Instruction Manual page 11

1. Blow-out bulb
1
1. Drill chuck assembly
CAUTION:
• There is tremendous and sudden twisting force exerted
on the tool/bit at the time of hole break-through, when
the hole becomes clogged with chips and particles, or
when striking reinforcing rods embedded in the concrete.
Always use the side grip (auxiliary handle) and firmly
hold the tool by both side grip and switch handle during
operations. Failure to do so may result in the loss of
control of the tool and potentially severe injury.
Blow-out bulb
001302
Use the blow-out bulb to clean out the hole.
1
Chipping/Scaling/Demolition
003580
Set the action mode changing knob to the
Hold the tool firmly with both hands. Turn the tool on and
apply slight pressure on the tool so that the tool will not
bounce around, uncontrolled. Pressing very hard on the tool
will not increase the efficiency.
Drilling in wood or metal
001303
Use the optional drill chuck assembly. When installing it, refer
to "Installing or removing drill bit'' described on the previous
page.
Set the action mode changing knob to the
can drill up to 13 mm(1/2") diameter in metal and up to
32 mm(1-1/4") diameter in wood.
CAUTION:
• Never use "rotation with hammering" when the drill
chuck assembly is installed on the tool. The drill chuck
assembly may be damaged.
Also, the drill chuck will come off when reversing the tool.
symbol.
symbol. You
11