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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.
rChuck
key
/
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
.
ft)
torque. [Note
:
you can obtain 300-400 kgf
.
cm
(21.6-
28.9
Ib
.
ft) torque by applying pressure of
30-40
kg
(66-88
Ibs) to the wrench while
holding the portion
10
cm (4") from the wrench head.]
Open the chuck jaws fully and insert the
screw through the chuck opening. Tighten
the screw counterclockwise with
a
screw-
driver.
-
Screw
8