Alpha Technologies CSM46, Руководство по установке и эксплуатации

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012-554-B2 Rev D Page 14 of 16
8 Maintenance
Although very little maintenance is required with Alpha systems, routine checks and adjustments are
recommended to ensure optimum system performance. Qualified service personnel should do repairs.
The following table lists a few maintenance procedures for this system. These procedures should be performed at
least once a year.
WARNING: HIGH VOLTAGE AND SHOCK HAZARD.
Use extreme care when working inside the shelf while the system is energized.
Do not make contact with live components or parts.
Circuit cards, including RAM chips, can be damaged by static electricity. Always wear a grounded
wrist strap when handling or installing circuit cards
Ensure redundant modules or batteries are used to eliminate the threat of service interruptions
while performing maintenance on the system’s alarms and control settings.
Procedure Date Completed
Clean ventilation openings
Inspect all system connections (re-torque as necessary)
Verify alarm relay operation
Table A–Sample maintenance log
NOTE: Consult factory for replacement parts. See 1.3 Part Numbers and List Options for ordering information.
8.1 Output Relay Replacement
Relays are located immediately behind the alarm cable at the front right side of the converter shelf.
1. Remove the hold-down spring securing the relay in its socket.
2. Carefully remove/replace the relay ( replace only with same type and rating ).
3. Replace the hold-down spring.