Installing & Removing Accessories; Variable Speed Controlled Trigger Switch - Bosch 11224VSR Operating/Safety Instructions Manual

BM 2610993468 6-04
INSTALLING ACCESSORIES
Clean the insert shank end of the accessory to
remove any debris, then lightly grease with a
light oil or lubricant
Insert accessory into the tool holder through
the dust shield, while twisting and pushing
inward until it locks automatically into place.
Pull outward on the accessory to be certain it
is locked into the tool holder (fig. 2).
FIG. 2
NOTE: The high efficiency available from the
rotary hammers can only be obtained if sharp
and undamaged accessories are used. The
"cost" to maintain sharp and undamaged
VARIABLE SPEED CONTROLLED
TRIGGER SWITCH
Your tool is equipped with a variable speed
trigger switch. The tool can be turned "ON" or
"OFF" by squeezing or releasing the trigger.
The speed can be adjusted from the minimum
to maximum nameplate RPM by the pressure
you apply to the trigger. Apply more pressure
to increase the speed and release pressure to
decrease speed.
REVERSING SWITCH LEVER
(Models 11224 & 11228 only)
The reversing switch lever is located above
the trigger switch and is used to reverse
rotation of the bit.
The reversing switch should
!
CAUTION
only be activated when the
motor is "OFF" and when bit is at a complete
standstill.
To use tool in "Forward" rotation move lever
to left side of tool, to "Reverse" the rotation of
the bit move the lever to the right side of the
tool.
SELECTOR DIAL
The selector dial allows the tool to be set for
various applications as listed in the chart.
SELECTOR DIAL - "VARIO-LOCK"
Adjusting the Vario-Lock: The vario-lock can
be set in any one of thirty-six (10˚
6/15/04 3:34 PM
Operating Instructions
DUST SHIELD
Page 7
accessories is more than offset by the "time
saved" in operating the tool with sharp
accessories.
REMOVING ACCESSORIES
Accessories may be hot after
!
WARNING
use. Avoid contact with skin
and use proper protective gloves or cloth to
remove.
To remove an accessory, pull and hold locking
sleeve backward and pull bit forward. All
accessories should be wiped clean after
removing (Fig. 3).
LOCKING SLEEVE
FIG. 3
increments) positions. Choose a position
which is best suited for your operation.
Depress release button and turn the selector
dial, to the "vario-lock" setting. Next, rotate
the locking sleeve, along with the accessory,
to the desired position. Then turn the selector
dial to the "hammer only" setting and slightly
turn the locking sleeve to have it
automatically lock into a definite position.
= drilling only:
= drilling/hammering:
= hammering only:
= vario-lock:
* Hammer only and vario-lock positions
not available on model 11226VS.
-7-
used for... drilling
wood, steel, etc.
used for... drilling
concrete
used for... light
chipping work
allows for 36 desired
positions of "hammer"
accessories