Version 1.1.4 dated 2015-3-30
Page 35
Original operating instructions
BF46 Vario | BF46TC
US
Selection switch for operating mode
With the selector switch the operating mode „automatic, threading or right-hand respectively
left-hand run“ is being selected.
Operation mode automatic
In the automatic mode the engine starts up according to a predefined path over the drilling
depth limit of the spindle sleeve and stop at the end position. This way for, the push button Start
and Stop does not have to be actuated for repetitive drilling tasks.
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.
4.7
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.
