9
Original instructions
EN
Drilling masonry
* Only for models with impact function
▪ For maximum performance use carbide-tipped ma
-
sonry impact bits when drilling holes in brick, tile,
concrete etc.
▪
Turn the speed selector (3) to position “2”, then rotate
the torque collar to the drill position.
▪
Apply light pressure and medium speed for best re-
sults in brick.
▪
Apply additional pressure and high speed for hard ma-
terials such as concrete.
▪
When drilling holes in tile, practice on a scrap piece to
determine the best speed and pressure.
Drilling wood
▪ For maximum performance, use high speed steel bits
for wood drilling.
▪
Ensure that the torque adjustment collar (2) is at posi-
tion “drill bit”.
▪
Begin drilling at a very low speed to prevent the bit
from slipping off the starting point. Increase the speed
as the drill bites into the material.
▪
When drilling through holes, place a block of wood
behind the work piece to prevent ragged or splintered
edges on the back side of the hole.
All drilling operations
▪
Use only sharp drill bits.
▪
Mark off the centre of the hole using a centre punch
or nail.
SCREWING / UNSCREWING
Select the appropriate torque by placing one of the num-
bers, marked on the torque adjustment collar (2), against
the arrow on the tool body.
Insert the necessary bit.
WARNING:
Over-tightening can result in the
screw breaking or damage to the end of the driver bit.
WARNING:
If the machine is held at an angle
to the screw being tightened, the head of the screw
may be damaged, or the specified torque may not be
transmitted to the screw. Always keep the machine
and the screw being tightened in a straight line.
CHUCK REPLACEMENT
Chuck removal
WARNING:
Always set the forward/reverse
switch (6) in central position before any work on the
machine e. g. fitting and removing a battery, tool
change, transport, maintenance and storage.
Turn the torque adjustment collar (2) to “drilling” position
and select low gear by the speed selector switch (3).
Tighten the chuck around the shorter end of a 5 mm hex
key or larger (not supplied with the tool). Using a wooden
mallet or similar object, strike the longer end in the clock-
wise direction. This will loosen the left-threaded screw
inside the chuck.
1. Open chuck jaws fully.
2. Insert a 5 mm hex key into front of chuck between
jaws to engage screw head. Remove screw by
turning clockwise.
3. Place the hex key in chuck and tighten. Strike the
key sharply in the anti-clockwise direction using a
wooden mallet or similar object. This will loosen the
chuck so that it can be unscrewed by hand.
Chuck installation
1. Screw the chuck on by hand as far as it will go and
insert the screw (left-threaded).
2. Tighten the chuck around the shorter end of hex key
(not supplied) strike the longer end in the clockwise
direction with a wooden mallet.
3. Remove the hex key and open the jaws fully. Tight-
en the screw in the centre of the chuck with the hex
key in an anti-clockwise direction.
IX - Maintenance
WARNING:
Always set the forward/reverse
switch (6) in central position before any work on the
machine e. g. fitting and removing a battery, tool
change, transport, maintenance and storage.
Regularly check that all the fixing screws are tight. They
may vibrate loose over time.
Re-lubricate all moving parts at regular intervals.
CLEANING
For safe operation always keep the machine and its ven
-
tilation slots clean.
Regularly check to see if any dust or foreign matter has
entered the grills near the motor and around the switch-
es. Use a soft brush to remove any accumulated dust.
Wear safety glasses to protect your eyes whilst cleaning.
If the body of the tool needs cleaning, wipe it with a soft
damp cloth. A mild detergent can be used.
WARNING:
Never use alcohol, petrol or other
cleaning agent. Never use caustic agents to clean
plastic parts.
WARNING:
Water must never come into con-
tact with the tool.
CHARGER CLEANING INSTRUCTIONS
WARNING:
Disconnect the charger from the
AC outlet before cleaning.
pages BR2_BUR2Li-2012.indd 9
30.10.2012 г. 16:13:25 ч.
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