Dur
ing electrical maintenance it is compulsory to:
- take precautions suggested before;
- use
suitable tools to avoid damage to bolts and tightening screws located on the electrical
components;
- should it be necessary to repair the end of cables to be inserted in the terminal boxes or in the
fixing holes of electrical devices, use suitable tools and materials with a suitable section,
avoiding to damage the insulator;
- register the electrical maintenance procedures carried out and any anomalies found.
IF
CHECKS NEED TO BE CARRIED OUT ON ACTIVE PARTS OF THE CIRCUITS WITH
VOLTAGE, IT IS COMPULSORY TO:
USE
ALL INDIVIDUAL PROTECTION DEVICES COMPLYING WITH THE LAW.
NEVER OPERATE ALONE: A SECOND PERSON MUST ALWAYS BE PRESENT.
When t
he procedures are finished, check that all removed protections have been re-
established before restoring power supply.
About
every month or every 200 working hours, while the machine is in operation, check that:
cont
rol devices work properly (warning lights, acoustic signallers and operator panel);
safety requirements work properly (emergency button and safety limit switch in the film
roll carriage).
About
every month or every 200 working hours, check that the plates indicating the functions of the
control and emergency devices are in good conditions.
The identification plates and writings of the control and emergency devices must allow the
functions of the devices to be unequivocally identified. Detached or unreadable elements must be
adequately fixed in their previous position.
About
every month or every 200 working hours, check that the insulation of the machine electrical
feeder, and the plugs and sockets at the side of the machine are not damaged.
About
every month or every 200 working hours, carry out a visual check of the following limit
switches:
- of table rotation;
- of carriage going up and down.
CEC BASE IGM REV13 42
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