Maintenance prescriptions
19
HS-RC-C5E-MAN_01.fm
00/0309
2. MAINTENANCE PRESCRIPTIONS
This chapter deals with the following topics:
– Precautions before starting
– Precautions while carrying out maintenance activities
– Precautions at the end of the maintenance activities
– Maintenance staff
– Equipment and tools necessary
– Torque wrench settings.
2.1 Precautions before starting
– The majority of maintenance activities on the Control Unit are to be carried out wih
power off. In those cases the wording “
Main switch open (OFF)” is specified in the
maintenance sheet.
When the main switch is OFF, the X120 terminal board and the related cable up
the main switch are energized. In that case, the procedure to cut the power off
completely requires the power disconnection from the mains.
– The maintenance activities to be carried out on the cabinet main powering section
shall be perfomed only after disconnecting the power from the mains. In those
cases the wording “
Incoming voltage off” is specified in the maintenance sheet.
– Use orignal spare parts only. Spare parts are supplied by Comau. The bill of spare
parts is to be found in
Chap.9. - Spare parts on page 91.
2.2 Precautions while carrying out maintenance
activities
– If the fault type allows the robot re-positioning, we recommed to move it in resting
position, before carrying out any maintenance activity.
– We remind you that in virtue of the Control Unit safety circuits inherent features, a
warranty reduction may be possible in case of multiple faults (refer to norm EN ISO
13849-1)
.
The maintenance activities that not are expressly specified in this manual are not
allowed. If necessary, turn to the manufacturer.
In case of maintenance and/or troubleshooting activities on the safety
circuits, do not stand nearby the Robot and carry out the motion in jog
mode keeping at suitable distance.
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