57
Set the chisel on the material. Switch
on the tool and start with a low impact
count, raising it when required. Do not
exert any excessive pressure on the
material to enable the chisel to develop
its full power.
Hammer-drilling in masonry (Fig. 15)
Set the selector switch for the type of
operation (9) to hammer-drilling ( ).
Set selector switch (4) to clockwise
rotation. Start at a low speed. A pneumatic
hammer generates the impact necessary
for hammer drilling in stone. This electro-
pneumatic principle results in high
elasticity and no back-kick during drilling.
Unlike the hammer drill, the drilling power
does not depend on pressure. Higher
pressure does not increase efficiency or
performance!
With large boreholes, first pre-drill with
a small drill bit diameter.
Drilling wood and metal
(Figs. 16/17/18)
Insert the crown-gear chuck (11) íncluded
in the delivery for conventional wood and
metal bits into the chuck (1) as described
under "Changing tools". Open the chuck
with the chuck key (12) and insert a
conventional wood or metal drill bit. Using
the chuck key, lock up the drill chuck
tightly. Speed selection with the knob (5).
Set selector switch (4) to clockwise
rotation. Press ON/OFF switch (6) and drill
at the maximum speed set.
Tightening and loosening screws
(Fig. 19)
Any type of screwdriver bit can be
inserted into the crown-gear chuck, if
necessary using a bit holder (not
supplied). Set selector switch (4) to
clockwise rotation for inserting screws.
ATTENTION! To obtain the best
power transmission, always use
a bit that matches the particular
screw head concerned!
ATTENTION! In order not to
damage the screw heads, always
start at a low speed, increasing it when
required!
Set selector switch (4) to counterclock-
wise rotation for loosening screws. Start
at a low operating torque to avoid tight-
fitting screw heads from twisting off.
Increase the operating torque carefully
when required.
In counterclockwise rotation, the
maximum speed is lower than in
clockwise rotation!
10 – Maintenance and
environmental
protection
• Clean the machine case only with a
damp cloth – Do not use solvents!
Then dry well.
• Always keep the ventilation slits on
the machine clean.
CAUTION! Electrical and battery
operated units that no longer work
should not be disposed of in the
household waste! They are to be
collected separately, in
accordance with the
2001/96/EC directive for
the disposal of electrical
and electronic waste, and
sent for proper and
environmentally-friendly
recycling.
Please discard power tools no longer
usable at a local collection point.
MC-5452770-Bediene.qxd 21.07.2009 15:56 Uhr Seite 57
To Next Page
Loading...