OCEM IRM, Operation And Maintenance Manual

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ADJUSTMENTS AND
MAINTENANCE
UT-MT-0930_1.3_220421 (EN)
Operation and Maintenance Manual
IRM
29
4.4 Scheduled maintenance
Before carrying out any intervention on the device, cut off all external power sources and
place appropriate work-in-progress warnings on the systems.
Wait for the discharging time (at least 5 min) and check using appropriate instruments that
there are no residual energies before accessing the electrical equipment.
To minimize operations, always pay the greatest attention to handling and storage of devices and carry out installation
procedures with extreme precision.
In accordance with the suggestions contained in the document ICAO Airport Service Manual ‑ Part 9: Airport
Maintenance Practices, or on the basis of what reported in the document FAA AC 150 5340‑30, the devices IRM
must be subjected to regular maintenance.
In order to assure the proper functioning and the maximum duration of the operating lifetime of the device all the
checks and periodical audits must be carried out and, if necessary, the necessary corrective procedures must be
activated to restore and ensure operative safety levels foreseen by the standards.
Do not let running devices not properly maintained or fixtures presenting signs of damage
or fault.
Each maintenance operation carried out on the devices must be noted on the maintenance register.