Promaker PRO-TI20 Manual Del Usuario página 13

that the drill or screw bit is not skew
when it is inserted and the chuck
tightened.
Before inserting drill/screw bits open
the jaws of the chuck by holding the
lower ring of the chuck and turn the
locking ring anticlockwise.
Open the chuck until you can insert
the tool. Hold the machine and then
turn clockwise direction to firmly
tighten it.
To remove the tool, please hold
the machine and turn the chuck
anticlockwise.
Open the chuck until you can
remove the tool.
On/Off Trigger
Use the On/Off trigger to start the
machine and keep holding it for
continuous operation.
The rotation speed can be varied
by depressing the On/Off trigger.
The more the trigger is pressed, the
faster the rotation speed.
To switch the machine off, release
the On/Off trigger
Reverse-rotation Lever
Important! The machine has to
come to a complete stop before the
reverse rotation lever can be used;
otherwise the machine may be
damaged.
Use the reverse-rotation lever to
switch between clockwise (normal)
and anticlockwise rotation or vice-
versa. With the reverse-rotation
lever in the central position the
trigger switch is locked and cannot
be depressed. Put the reverse-
rotation lever in the central position
before you put the machine down, to
avoid unintentional starting.
Torque adjustment
The tool supply you 15+1 different
torque steps, you can control the
maximum torque applied to the drill
bit with the torque control knob.
Attention! The torque control knob
should only be operated when the
machine is not running; otherwise
the machine may be damaged.
To set the drill to the lowest available
torque setting, twist the torque
control knob until the small arrow
on the drill-housing points to the "1"
stamped on the torque control knob.
In this position the torque clutch will
slip with light drilling resistance. The
higher the number the arrow points
to on the torque control knob, the
larger the maximum torque that can
be applied before the torque clutch
will slip.
To set the machine to maximum
available torque twist the torque
control knob until the arrow points to
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