Version 1.1.4 dated 2015-3-30
Page 30
Original operating instructions
BF46 Vario | BF46TC
US
Operation mode thread cutting
In the thread cutting mode the engine automatically starts up according to a predefined path
over the drilling depth stop and automatically changes the turning direction as soon as the pre-
defined depth had been achieved. The screw-tap is drawn out of the workpiece.
Rotation direction switch
Standard operation, selection left-handed or right-handed rotation.
Potentiometer
Speed setting "VARIO"
Push button ON
The push button "ON"
switches on the rotation of the spindle.
Push button OFF
The push button "OFF“
switches off the rotation of the spindle.
Main switch
Interrupts or connects the power supply.
4.2
Switching on the mill drill
Switch on the main switch.
Close the protective equipment.
Select the operating mode.
Select the gear level.
Set the potentiometer to the lowest speed.
Actuate push button "Start".
Set the required speed on the potentiometer.
ATTENTION!
Wait until the mill drill has come to a complete halt before changing the rotation
direction using the rotation direction switch.
INFORMATION
At a cold mill drill it is possible that with switching on the machine an overload of the
drive occur.
Therefore, allow the mill drill at low speeds depending on environmental conditions to
warm up for 10 to 20 minutes before you go to maximum speed.
Also with a quick on and off, this overload occur. Therefore wait for about 3 seconds
before you switch on the mill drill again, the capacitors in the controller must first
discharged.
4.3
Switching off the mill drill
Press the push button spindle rotation "OFF". For a long-term standstill of the mill drill
switch it off at the main switch.
