Bosch 11221DVS Manual Del Usuario página 7

BM 1619929265 2/03 2/11/03
VARIABLE SPEED CONTROLLED
TRIGGER SWITCH
Your tool is equipped with a variable speed
trigger switch. The tool speed can be
controlled 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.
USING THE VACUUM ASSEMBLY
Mount the vacuum assembly to the tool by
loosening the wing knob in the auxiliary
handle then insert the hex rod into the hex
hole in the auxiliary handle and secure with
the wing knob.
Insert the desired diameter SDS bit through
the fixture and vacuum sealing cap into the
dust shield on the front of the SDS tool
holder.
DEPTH GAUGE
Set the depth gauge by loosening the wing
knob and compressing the vacuum
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 acessory to be certain it
is locked into the tool holder (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
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4:09 PM Page 7
Operating Instructions
assembly bracket towards the tool. When
the desired length of bit is exposed, slide the
depth gauge stop up against the vacuum
assembly bracket and retighten the knob.
The bracket is spring loaded and will return
to the extended position. (When drilling, it
will compress until the depth gauge stop is
engaged.)
Make sure the hose is connected between
the vacuum bracket assembly and the
vacuum hose connection .
Next, mount the bag to the tool by means of
the bayonet style fitting on the dust bag
connection mount and rotate the bag 90° to
lock it in place. (Note: The dust bag should
be emptied frequently by sliding the plastic
sealing bar off of the bottom. This will insure
optimum performance.)
If the dust extraction feature is not being
used, place the plug into the vacuum hose
connection hole.
undamaged accessories is more than offset
by the "time saved" in operating the tool
with sharp accessories.
WARNING
!
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. 2
DUST SHIELD
SDS BIT (NOT INCLUDED
-7-
REMOVING ACCESSORIES
Accessories may be hot
after use. Avoid contact
LOCKING SLEEVE