Bosch 17614 Operating/Safety Instructions Manual page 9

_ isconnect battery pack
from tool before making
any assembly, adjustments or changing
accessories. Such preventive safety
measures reduce the risk of starting the tool
accidentally.
INSERTING BITS
Move reverse switch lever to the center "OFF"
position. Remove battery pack and rotate the
clutch ring to the drill bit symbol
" Ill'! ". Rotate the chuck sleeve counter-
clockwise viewing from chuck end, and open
chuck to approximate drill bit diameter. Insert
a clean bit up to the drill bit flutes for small bits,
or as far as it will go for large bits. Close chuck
by rotating the chuck sleeve clockwise and
securely tighten by hand (Fig. 2).
Do not use the power of the
drill while grasping chuck
to loosen or tighten bit. Friction burn or hand
injury is possible if attempting to grasp the
spinning chuck.
REMOVING CHUCK
Rotate the clutch ring to the drill bit
symbol "_&&_ ". Open the chuck all the way,
remove left-hand thread screw inside chuck by
turning it clockwise (Fig. 3).
Insert the short arm of a 1/2" hex key wrench
and close jaws on flats of wrench (Fig. 4).
Strike long arm of wrench sharply
counterclockwise, remove wrench and
unthread chuck from spindle.
INSTALLING CHUCK
Always keep the spindle threads, the threads
of the chuck and securing screw free of debris.
To install a chuck, reverse "removing the
chuck" procedure.
AUXILIARY HANDLE
The tool must be supported with the auxiliary
handle, which can be swiveled 360 °. To
reposition and/or swivel the handle, loosen
the hand grip, move the handle to the
desired position along the barrel and
securely retighten the hand grip (Fig. 5).
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