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The Bosch model PS20 Cordless Drill/Driver
has a chuck that accepts any 1/4" hex bit.
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 until the locking sleeve retracts
automatically, locking the bit (Fig. 2).
To remove an accessory, pull locking sleeve
forward and simply remove it from the chuck.
One inch bits should only be used along
with a bit holder as shown in figure 2.
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 Drill “ ” 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
!
WARNING
CHUCK
FIG. 2
LOCKING SLEEVE
HEX-SHANK
DRILL BIT
SCREWDRIVER
BIT
BIT HOLDER
FIG. 3
BM 2609140542 01-08 1/15/08 9:22 AM Page 9