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Appendix C: Selected Maintenance Activities and Post Maintenance Tests
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Appendix C: Selected Maintenance Activities and Post Maintenance Tests - Continued - std10650028


DOE-STD-1065-94
Appendix C
SELECTED MAINTENANCE ACTIVITIES AND POSTMAINTENANCE TESTS
This list of activities and tests is a guide only and is not meant to be all-
NOTE:
inclusive. The testing selected should depend on the scope of completed
maintenance and the requirements established by the owner/operator.
An appropriate test for nearly all mechanical work would be a general
leakage inspection and any testing required by ASME codes or
equipment-specific procedures.
Maintenance Activity
Recommended Test
Repair Electric motor
1.
Perform the following checks: insulation
resistance, winding resistance, polarization
index, high potential.
2.
Verify proper direction of rotation and proper
phase relationships.
3.
Operate the equipment and verify absence of
abnormal noises.
4.
Obtain baseline vibration-analysis data.
5.
Measure the bearing temperatures.
6.
Measure the starting and the running current
for each phase.
7.
Check oil levels.
8.
Check air-filter cleanliness.
Repair circuit breaker.
1.
Verify adjustment of circuit breaker trips.
2.
Perform trip-shaft torque measurements if
applicable.
3.
Measure phase-to-phase and phase-to-ground
insulation resistances.
4.
Measure microhms across each main contact.
5.
Perform automatic-function test on the
breaker (open and closes on required
signals).
6.
Measure breaker-response time.
7.
Verify operation of auxiliary trip devices and
8.
Perform manual operation checks on the
breaker.
9.
Check breaker parameters (e.g., breaker
operating voltage, current, control power,
status lights).
C-2


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