Makita HR2400 Instruction Manual page 9

Drilling in wood or metal
Use the
optional
drill
chuck assembly (con-
sisting of drill chuck and chuck adapter
assembly). When installing it, refer to "in-
stalling or removing drill bit" described on
the previous page. Set the action mode
changing knob to "rotation only".
You
can
drill up to 13 mm (1/2") diameter in metal
and up to
38
mm (1-1/2") diameter
in
wood.
(Note : When using a flat boring bit.)
CAUTION :
Secure the drill chuck in a vise or similar
securing devise. Place the chuck key in
one of the three holes
so
that the chuck
body will not turn.
I
\
Drill chuck
'
Wrench
Chuckkey
Never use "rotation with hammering" when the drill chuck assembly i s installed on the
tool. The drill chuck assembly may be damaged. Also, the drill chuck will come off when
reversing the tool.
Remove the screw from the chuck adapter assembly and screw the chuck adapter into
the drill chuck. Use a wrench to tighten the chuck adapter securely, applying about 300-
400
kgf
.
cm (21.6-28.9 Ib
.
f t ) torque. [Note: you can obtain
300-400
kgf
.
cm (21.6-
28.9 Ib
.
f t ) torque by applying pressure
of
30-40 kg (66-88 Ibs) to the wrench while
holding the portion 10 cm (4") form the wrench head.]
Open the chuck jaws fully and insert the
I
1
I -'I I
I y l l L e I I
9