CHAPTER 4: ELECTRICS 4-4
ALPHA 538/552
1.3. Description of the electrical elements of the bar system
(1) Hydraulic pump motor
Particular attention should be given to the handling of electrical elements because of
risks of electrocution. In case of possible electrical malfunctions, it is advisable to
contact LNS or their local representative.
It is strictly prohibited to make adjustments as long as the bar feeder is under electrical
power. The adjustments of the electrical equipment must only be performed by
qualified personnel.
During the installation, ensure that the motor is wired in accordance with the supply voltage available. The
supply voltage of the bar feeder is indicated on the identification plate (point 4).
If the voltage does not correspond, the wiring of the motor must be modified:
Procedure:
· Turn the bar feeder off (trigger QS1 and QM1, see below).
· Open the main safety cover.
· Unscrew the motor cover unit.
· Make sure that all motor terminals are off.
· Modify the terminal block wiring of the motor according to the diagram above.
· Close the cover unit of the motor and the main safety cover.
· Turn the bar feeder on (engage QS1 and QM1).
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