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7.2 S2 – Maintenance Repairs
Execution:
Personnel trained by the manufacturer
Schedule:
Perform when the train protection system has faults that cannot be remedied by operational
repairs S1.
Description:
Maintenance repairs serve to remedy faults in:
§
The central unit of the train protection system
§
Signal repeaters
§
Train protection system horns
§
Cooperation between the train protection system and cooperating equipment and other
components of the locomotive that could not be remedied with S1 operational repairs
The D3 functional test must be completed after the maintenance repairs and a record for
such test must be completed. All maintenance repairs must be documented in the mainte-
nance sheet. The maintenance sheet template is provided in document 460M.
Record – maintenance sheet:
The completion protocol for maintenance repairs must contain the following details:
·
Date, time and place
·
The serial number of the system and the repaired components
·
The number of the locomotive on which the equipment is installed
·
The name of the person conducting the maintenance repairs
·
Description of the faults that have been resolved and their root causes (if known)
·
The serial numbers of removed and installed components (if applicable)
·
The signature of the person who conducted the repairs
Summary of Contents for VZ1
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