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The Bosch model PS20 Cordless Drill/Driver
has a collet that accepts only standard 1/4”
hexagonal shank accessories with power
groove. The low RPM capability of this model
is not a deficiency. On the contrary, low speed
means high torque and high torque is a definite
plus for efficient drilling and driving. The low
speed also provides more control to prevent
stripout of the screw and damage to the work
surface.
INSERTING AND REMOVING
ACCESSORIES
To avoid loss of control,
ensure bit is locked in chuck
by pulling on bit after it has been inserted.
Your tool is equipped with a quick release
chuck. To insert an accessory, simply pull
locking sleeve forward, insert desired
accessory into chuck and release locking
sleeve (Fig. 2).
To remove an accessory, pull locking sleeve
forward and simply remove it from the chuck.
TRIGGER CONTROLLED VARIABLE SPEED
Your tool is equipped with a variable speed
trigger switch. The tool speed can be
controlled from minimum to maximum
nameplate rated RPM by the pressure you
apply to the trigger. Apply more pressure to
increase the speed and release pressure to
decrease speed (Fig. 1).
BRAKE
When the trigger switch is released it activates
the brake to stop the chuck quickly. This is
especially useful in the repetitive driving and
removal of screws.
FORWARD/REVERSING LEVER &
TRIGGER LOCK
Your tool is equipped with a forward/
reversing lever and trigger lock located above
the trigger (Fig. 3). This lever was designed
for changing rotation of the chuck, and for
locking the trigger in an “OFF” position to help
prevent accidental starts and accidental
battery discharge. For forward rotation, (with
chuck pointed away from you) move the lever
to the far left. For reverse rotation move the
lever to the far right. To activate trigger lock
move lever to the center off position.
Do not change direction of
rotation until the tool
comes to a complete stop.
Shifting during
rotation of the chuck can cause damage to
the tool.
ADJUSTABLE CLUTCH
Your tool features 10 clutch settings. Output
torque will increase as the clutch ring, is
rotated from 1 to 10. The Max “ ” position
will lock up the clutch to permit drilling and
driving heavyduty work (Fig. 4).
BUILT IN WORK LIGHT
Your tool is also equipped with a light that
turns on automatically when the switch is
activated, for better visibility when
drilling/driving (Fig. 4).
-9-
Operating Instructions
!
CAUTION
BUILT IN
WORK LIGHT
FIG. 4
ADJUSTABLE
CLUTCH
FIG. 3
!
WARNING
CHUCK
FIG. 2
SCREWDRIVER
BIT
BIT
HOLDER
SCREWDRIVER BIT
LOCKING
SLEEVE
BM 2610937789 12-05 12/15/05 10:25 AM Page 9