Bosch 11250VSR Operating/Safety Instructions Manual page 11

2610047982.qxp_11250VSR,VSRD 10/2/17 1:01 PM Page 11
REVERSING SWITCH LEVER
This tool is equipped with a rotating brush
reversing system. This results in longer tool life
while maximizing power in both forward and re -
verse directions. The reverse switch can be
oper ated from either the right or left side of the
tool.
FOR FORWARD ROTATION: slide switch to
arrow marked forward (Fig. 9).
FOR REVERSE RO TATION: slide the slide
switch to arrow marked re verse. NOTE: Tool
will not operate in middle position.
SLIP CLUTCH
The tool has an internal preset clutch. The
clutch is set such that sufficient force is
transmitted to the bit for most drilling
conditions but it will slip when bit binds in the
hole or the tool is overloaded. Be aware that
due to required clutch setting, you may
REMOVING AND INSTALLING DUST
EXTRACTION SYSTEM
To remove dust extraction system, press and
hold the dust extraction release button and pull
away from tool housing (Fig. 10).
To install dust extraction system, align guide
grooves with the grooves in tool housing and
push toward tool until you hear it lock into place
(Fig. 10).
Assembly (Model 11250VSRD only)
experience a torque reaction an instant
before the clutch slips. This torque reaction
will twist the body of the rotary hammer in the
opposite direction as the bit rotates, i.e.,
counterclockwise. As clutch is slipping, the
bit will most likely stop rotating. When the
binding force on the bit is removed the clutch
automatically resets. If you experience bit
binding and clutch begins to slip, immediately
turn the tool "OFF" and correct the condition
leading to the bit binding.
DRILL/HAMMER DRILL SELECTION DIAL
The selector dial allows the tool to be set for
various drilling/hammer drilling applications .
Depress release button and turn selector dial
right or left depending on the below
applications.
selection dial until the
tool come to a complete stop. Shifting
during rotation of the chuck can cause
damage to the tool.
Do not use demolition or chipping bits such
as bull points, chisels, spades, gouges, etc.
Drill only action: For drilling in
woods, metals, plastics or other
non concrete materials.
Drill with hammer action: For
drilling in concrete, asphalt, tile
or other similar hard materials.
FIG. 10
GUIDE
GROOVES
DUST EXTRACTION
SYSTEM
-11-
Do not operate the
TOOL
HOUSING
DUST EXTRACTION
RELEASE BUTTON