How To Inspect Crossfire Tubes And Spring Retainers; How To Inspect Transition Pieces - GE MS-6001B Maintenance Instructions Manual

Inspection and Maintenance — GEK 107048
Inspect
Liner Stops
1. Wear on downstream end
2. Wear on sides
3. Cracks (weld or parent metal)
Liner Rivets
1. Weld cracks
2. Missing rivets
*"Replace" does not mean liner must be scrapped; this part can be repaired by qualified General
Electric Company personnel.
Operation 7 — How to Inspect Crossfire Tubes and Spring Retainers
1. Inspect crossfire tubes for evidence of distortion, cracks, missing metal, burn-through and wear.
Inspect the flanges for cracks. Use Table CI-3 for inspection criteria.
2. Inspect crossfire tube retainers for wear and evidence of distortion. Use Table CI-3 for inspection
criteria.
3. Record findings on Inspection Form PGS/GT-FF-6404.
Operation 8 — How to Inspect Transition Pieces
1. Clean and fluorescent penetrant inspect each of the following areas on transition pieces for crack-
ing. See Figure CI-I.10 and CI-I.11 and Table CI-4 for inspection criteria.
a. Aft bracket to body for cracks.
b. Aft brackets for cracks and wear.
Table CI-2 — Continued
Inspection Limits, MS-6001B DLN-1 Liners
See Figures CI-I.6, CI-I.7 and CI-I.8
CAUTION
The inspection criteria in this Table CI-2 applies to
General Electric Company supplied DLN-1 combustion
liners only.
Maximum Acceptable
0.190 inch metal remaining
None missing
Combustion Inspection — Inspection Procedures
Limits
0.060 inch
None
None
Disposition (For Parts
Beyond Max. Limits)
Repair
Repair
Repair weld
Repair
Replace rivets
CI-I-17