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Inspection and Maintenance — GEK 107048
II. Inspection Procedures (Major Inspection)
For MS-6001B DLN-1 Equipped Machines
Operation 1 — Inspect Combustion System Components Per Combustion Inspection
Operations 1 Through 10 and Operations 12 and 13
Note: Refer to the Combustion Inspection section, in this Service Manual for
the following combustion inspection operations.
1. Inspect primary fuel nozzles.
2. Reassemble primary fuel nozzles.
3. Disassemble and inspect secondary fuel nozzles.
4. Reassemble secondary fuel nozzles.
5. Test secondary fuel nozzles.
6. Inspect combustion liners.
7. Inspect crossfire tubes and spring retainers.
8. Inspect transition pieces.
9. Inspect forward and aft flow sleeves.
10. Inspect combustion outer casings.
11. Inspect and test spark plugs.
12. Inspect and test flame detectors.
Operation 2 — Inspect Hot Gas Path Components Per Hot Gas Path Inspection
Operations 2 Through 6
Note: Refer to the Hot Gas Path Inspection section, in this Service Manual for
the following hot gas path inspection operations.
1. Inspect first, second and third stage nozzles.
2. Inspect first, second and third stage buckets.
3. Inspect shroud blocks.
4. Inspect second and third stage nozzle diaphragms.
5. Make first stage nozzle ellipticity checks.
Major Inspection — Inspection Procedures
MI-I-1
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