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Appendix C: Selected Maintenance Activities and Post Maintenance Tests - Continued - std10650032
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Guideline to Good Practices For Postmaintenance Testing at DOE Nuclear Facilities
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Appendix C: Selected Maintenance Activities and Post Maintenance Tests - Continued - std10650034


DOE-STD-1065-94
Appendix C
SELECTED MAINTENANCE ACTIVITIES AND POSTMAINTENANCE TESTS
Maintenance Activity
Recommended Test
Make new (or repair) weld.
Test in accordance with the ASME code (this
is required for systems covered by the code).
Facility guidelines are specific for applicable
categories.
Replace component in instrument loop.
1.  Calibrate replaced component.
2.  Ensure that component is installed
properly.
3.  Inspect mechanical joints under normal
operating or hydrostatic test pressure to verify
no leakage.
4.  Verify proper operation of instrument
loop by comparing with
Other readings of the same
parameter on different instrument
channels.
Readings between channels that
monitor the same variables and bear a
known relationship to each other.
Readings between channels that
monitor different variables and bear a
known relationship to one another.
5.  Measure loop-response time if a time
constant is associated with instrument
response.
6.  Perform operational checks on process.
C-8


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