Disconnect battery pack
from tool before making
any assembly, adjustments or changing
a c c e s s o r i e s .
S u c h p r e v e n t i v e s a f e t y
measures reduce the risk of starting the
tool accidentally.
▶ Inserting and Releasing Battery
Pack
Release battery pack from tool by pressing
on both sides of the battery release tabs
and pull downward (Fig. 2 or 3).
To insert battery, align battery and slide
battery pack into tool until it locks into
position. Do not force.
If battery release tabs
a r e
c r a c k e d
o r
otherwise damaged, do not insert into
tool.
Battery can fall out during operation.
▶ Inserting Bits
Move reverse switch lever to the center
“OFF” position. Remove battery pack and
rotate the clutch ring to the drill bit symbol
“
”. Rotate the chuck sleeve counter-
clockwise viewing from chuck end, and
o p e n c h u c k t o a p p r o x i m a t e d r i l l b i t
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
b u r n o r h a n d i n j u r y i s p o s s i b l e i f
attempting to grasp the spinning chuck.
▶ Belt Clip and Bit Tip Holder
Bosch GSR12V-300 comes with the option
to use a metal belt clip and a four piece bit
tip holder. Pry off the plastic cover from
t h e b a c k o f t h e d r i l l t o i n s t a l l t h e s e
accessories (Fig. 6).
▼ BELT CLIP
W h e n
t h e
t o o l
i s
a t t a c h e d t o t h e b e l t ,
position yourself to avoid entanglement
with surrounding objects.
Unexpected
entanglement could cause the tool to fall
r e s u l t i n g i n i n j u r y t o t h e o p e r a t o r o r
bystanders.
The belt clip will allow you to conveniently
attach your tool to your belt. This feature
will allow you to have both hands free
w h e n c l i m b i n g a l a d d e r o r m o v i n g t o
another work area.
9
Assembly
CHUCK SLEEVE
Fig. 4
DRILL BIT
BIT HOLDER
SCREWDRIVER BIT
BATTERY
RELEASE
TABS
Fig. 2
BATTERY
RELEASE
TABS
Fig. 3
Fig. 5
2610051568.qxp_GSR12V-300 12/19/18 1:15 PM Page 9
