GE MS-6001B - How to Inspect Crossfire Tubes and Spring Retainers; How to Inspect Transition Pieces

Combustion Inspection — Inspection ProceduresInspection and Maintenance — GEK 107048
CI-I-17
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.
Inspect
Maximum Acceptable
Limits
Disposition (For Parts
Beyond Max. Limits)
Liner Stops
1. Wear on downstream end 0.060 inch Repair
2. Wear on sides 0.190 inch metal remaining Repair
3. Cracks (weld or parent metal) None Repair weld
Liner Rivets
1. Weld cracks None Repair
2. Missing rivets None missing Replace 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.