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Combustion Inspection — Inspection Procedures
Inspect
Liner Sleeve (Outer Shell)
1. Cracks
2. Burn through or missing metal
3. Out-of-roundness
4. Local distortion
5. Liner wear beneath
spring seals
Liner Cooling Rings
1. Ring slot height
2. Axial cracks
3. Circ. cracks
4. Burn through (missing metal)
5. Visual braze flow
(overtemperature)
6. Thermal barrier coating
Liner Venturi
1. Cracks
2. Burn through or missing metal
3. Out-of-roundness
*"Replace" does not mean liner must be scrapped; this part can be repaired by qualified General
Electric Company personnel.
CI-I-14
Table CI-2
Inspection Limits, MS-6001B DLN-1 Liners
See Figures CI-I.6, CI-I.7, CI-I.8 and CI-I.9
CAUTION
The inspection criteria in this Table CI-2 applies to
General Electric Company supplied DLN-1 combustion
liners only.
Maximum Acceptable
1/4 inch from original contour
1/8 inch from original contour
with no cracks
40% material thickness
beneath seal
0.065 inch min. gap
Isolated Patches
1/2 x 1/2 inch.
1/4 inch from original contour
Inspection and Maintenance — GEK 107048
Disposition (For Parts
Limits
Beyond Max. Limits)
None
None
None
None
None
None
None
None
*Replace
*Replace
*Replace
*Replace
*Replace
*Replace
*Replace
*Replace
*Replace
*Replace
*Replace
*Replace
*Replace
*Replace
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