SRT X-BAND RADAR SYSTEMS
PREVENTIVE MAINTENANCE
304202P003 4.1 Rev. C
CHAPTER 4
PREVENTIVE MAINTENANCE
4.1 Introduction
This chapter provides the necessary information to execute the preventive
maintenance operations which must be carried out in order to ensure the SRT
X-BAND Radar System’s full efficiency.
The maintenance procedures are described in tabular form (Card); each card
lists the operations which must be performed, their periodicity, the personnel
required, the materials and the time required for their performance.
4.2 Preventive Maintenance Procedure
The preventive Maintenance procedures are given by means of cards. Each
card, besides indicating the operations to be performed during the maintenance
execution, lists the following indications:
− PERIODICITY: it is an alphanumeric code to identifying the maintenance
action described. The following periodicity symbols, as appropriate, are
used in the order of increasing periodicity interval as listed in the
following:
. M: Monthly
. S: Semi-annual
. A: Annually
. WR: When Required
− PERSONNEL: it indicates the number and the typology of the personnel
able to perform the maintenance operations; by making the assumption
that the qualification, knowledge, experience and skill needed to fulfill the
task assigned are proportional to the ranks. The following abbreviations
are used:
. ST: is a qualified persons with not less than ten years of
experience on the job
. JT: is a qualified person with more than four years of
experience on the job
. R: is a young technician with less than four years of
experience on the job, he can be either qualified or
undergoing qualification
− REQUIRED INSTRUMENTS: it indicates the tools or the instruments
which are used in the card operations; Table 4.2.1 - List of
Recommended Tools and Instruments lists the tools, the instruments and
the material required to perform the Preventive Maintenance operations.
− REQUIRED TIME: it indicates the total time required to perform the card
operations
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