"Lock-On" Button; Operating Instructions - Bosch 1004VSR Operating/Safety Instructions Manual

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).

"LOCK-ON" BUTTON

Your tool is also equipped with a "Lock-ON"
button located on the left side of the trigger
handle that allows for operation at maximum
RPM without holding the trigger (Fig. 1).
TO LOCK TRIGGER "ON": squeeze trigger,
depress button and release trigger.
TO UNLOCK THE TRIGGER: squeeze trigger
and release it without depressing the "Lock-
ON" button.
If the "Lock-ON" button is
!
WARNING
continuously being depressed,
the trigger can not be released.
INSERTING BIT
For small bits, open jaws enough to insert the
bit up to the flutes. For large bits, insert the bit
as far as it will go. Center the bit as you close
the jaws by hand. This positions the bit
properly, giving maximum contact between the
chuck jaws and the bit shank.
KEYED MODELS
To tighten chuck, insert key into each of the
three key holes in succession and tighten
firmly. The chuck can be released by using one
hole only (Fig. 2).
KEYLESS MODELS
To tighten, hold the chuck collar firmly with one
hand and securely tighten the chuck sleeve
with the other hand (Fig. 3).
To prevent friction burns, or
!
WARNING
possible hand injury, do not
loosen or tighten the chuck by using the power
of the drill.

Operating Instructions

The reversing switch button is located above
the trigger switch and is used to reverse
rotation of the bit. For forward rotation, (with the
chuck pointed away from you) move button to
the far left. For reverse rotation move the
button to the far right.
a complete stop. Shifting during rotation of the
chuck can cause damage to the tool.
Your tool is equipped with a hip clip that allows
you to conveniently attach your drill to your belt,
(Fig.1) This feature will allow you to have both
hands free when climbing a ladder or
positioning material to be fastened.
Keyed models are equipped with a chuck key
that is conveniently located on the cord
protector where it is always handy and unlikely
to get lost or misplaced.
-7-
REVERSING SWITCH BUTTON
Do not change direction of
! CAUTION
rotation until the tool comes to
HIP CLIP
CHUCK KEY & STORAGE AREA
FIG. 2
FIG. 3
CHUCK
SLEEVE
CHUCK
COLLAR