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Structure and function of the machine
3.3
Electrical connection and motor protective relay
Voltage
Danger of electrical shock!
Only qualified skilled workers may carry out work in the vicinity of the mains
power supply.
- Employ a specialist to connect the machine to the mains supply. The local connection regulations
must be adhered to. The cable should not lie loosely on the ground after it has been laid.
Specifically observe the direction of rotation of the motor shaft (visible at the vane
marked by the red arrow).
Direction can be reversed by exchanging 2 phases in the mains supply cable.
Motor protective relay
The motor protective relay is triggered upon overload of the motor and switches off the power
supply of the motor.
- Should the motor protective relay have triggered, the machine must first be switched off with the
ON/EMERGENCY-STOP button. Then determine and eliminate the cause.
- Once the cause has been eliminated, the motor protective relay can be reset by turning the
knob -1- to position I, - Fig. 3.2 -.
While doing so, ensure that all protective systems are installed on the machine and all tools
have been removed from the machine.
16
ORION 4
10/2010
Hohner Maschinenbau GmbH
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