Ratio AR144-3NM Manual De Instrucciones página 40

OPERATION
1. INSERTING AND REMOVING DRILL BIT IN
SDS
Take care that the dust protection cap (1) is not
damaged when changing tools.
— INSERTING (See Fig. B1)
Clean and lightly oil the bit before inserting.
Insert the dust-free bit into the bit holder with a
twisting motion until it latches.
The bit locks itself. Check the locking by pulling
on the tool.
— REMOVING (See Fig. B2)
Retract back the bit holder locking sleeve (2) and
pull out the bit.
WARNING: Your new Rotary Hammer
generates powerful forces to get your job
done quickly and effectively. These forces may
cause inferior quality SDS bits to break and jam
in the chuck, We therefore recommend that only
high quality SDS bits be used with this tool.
2
2. ON/OFF SWITCH WITH VARIABLE SPEED
CONTROL (See C)
Depress to start and release to stop your tool.
This tool has a variable speed switch that
delivers higher speeds with increased trigger
pressure - speed is controlled by varying the
pressure applied to the switch.
3. SWITCH LOCK
The switch trigger can be locked in the OFF
position. This helps to reduce the possibility of
40
B1
1
B2
5
C
accidental starting when not in use. To lock the
switch trigger, place the direction of rotation
control in the center position.
4. FORWARD AND REVERSE ROTATION
CONTROL (See Fig. C)
With the drill pointing away from you, push the
forward/reverse-lever to the left "
forward rotation. Push the forward/reverse-lever
to the right for reverse rotation "
WARNING: Never change the direction
of rotation while the tool is rotating, wait
until it has stopped.
5. FUNCTION MODE SELECTION (See Fig. D)
The operation of the gearbox for each application
is set with the function mode selection switch.
To change between functions, depress the
unlocking button and rotate the selector to the
desired operating mode.
3
For simultaneous drilling and impacting of
concrete or masonry, choose the Hammer drilling
position.
For screw driving, drilling into steel, wood
and plastics choose the Rotary drilling position.
WARNING: The operating mode selector
switch may be actuated only at a standstill.
WORKING HINTS FOR
YOUR TOOL
If your power tool becomes over heated, set
the speed to maximum and run no load for 2-3
minutes to cool the motor. SDS-plus tungsten
carbide drill bits should always be used for
concrete and masonry.
When drilling in metal, only use HSS drill bits in
good condition. Where possible use a pilot hole
before drilling a large diameter hole.
" for
".
D