Bosch 34612 - 12 Volt Compact Tough Drill Driver Operating Instructions Manual page 10

INSERTING BITS
Move reverse switch lever to the center "OFF"
position. Remove battery pack and rotate the
clutch ring to the drill bit symbol
" ,ILlll ". 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. 4).
_ 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.
SCREWDRIVER
BIT
CHUCKSLEEVE
l__
REMOVING CHUCK
Rotate the clutch ring to the drill bit
symbol "lli'l ". Open the chuck all the way,
remove left-hand thread screw inside chuck
by turning it clockwise (Fig. 5).
Insert the short arm of a 1/2" hex key wrench
and close jaws on flats of wrench (Fig. 6).
Strike long arm of wrench sharply
CHUCKSLEEVE
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.
W
RELEASING AND INSERTING BATTERY PACK
Release battery pack from tool by pressing on
both sides of the battery release tabs and pull
downwards. Before inserting battery pack,
remove protective cap from battery pack (Fig. 7).
To insert battery, align battery and slide
battery pack into tool until it locks into
position. Do not force.
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