Inspection of Stage 1 and Stage 2 turbine nozzles, rotating blades (buckets), and stator shrouds. Technicians perform Non-Destructive Testing (NDT), such as dye penetrant testing, to identify micro-cracks caused by thermal fatigue. C. Major Overhaul (MO) Interval: 48,000 hours / 2,400 starts.
The turbine is rotated (cranked) to clear combustible gases from the casing. ge gas turbine frame 5 manual
A standard GE operational and maintenance (O&M) manual is divided into several heavy volumes or digital sections. Understanding how the manual is indexed is crucial for quick field reference. Volume I: Functional Description and Systems Inspection of Stage 1 and Stage 2 turbine