OPTIMUM
M A S C H I N E N - G E R M A N Y
Assembly
Version 2.2.2 dated 2014-03-07
Page 35
Original operating instructions
B24H | B24HV | B28H | B28HV
GB
3.7.2 Electrical connection
Connect the electrical supply cable.
Check the fusing (fuse) of your electrical supply according to the technical instructions
specifications for the total connected load of the drilling machine.
ATTENTION!
For 400V machines: Imperatively make sure that all 3 phases ( L1, L2, L3) are correctly
connected.
Most motor defects result of wrong connections. For instance if a motor phase is not
correctly clamped or connected to the neutral conductor (N).
Effects may be as follows:
The motor is getting hot very rapidly.
Increased motor noises.
The motor has no power.
ATTENTION!
Make sure that the direction of rotation of the drive motor is correct. The switch position
of the rotation selector switch for right-handed rotation (R) has to turn the drill spindle
clockwise. Incorrect direction of rotation the feed gear is destroyed.
If your connector plug is equipped with a phase inverter, this is done by turning it by
180°.
The guarantee will become null and void if the machine is wrongly connected.
