GE 7FA.05 - Page 16

GEK 116862 Inspection and Maintenance Instructions for 7FA.05 Gas Only and Dual Fuel Gas Turbines
Inspection What to Inspect for
Inspection
Frequency and
Turbine Status
Document
or Section
Reference
Cylinder rod seal leakage M—O
Rough operation SA—S
Improper operation of trip relay SA—S
Damage control surfaces of valve plug
and seat Maj. —S
Trip action with loss of actuation
pressure SA—S
Pressure Transmitters XXIX. D.
Calibration A—S
Inlet Bleed Heat Manifold
Welds to inlet duct surfaces XXIX. E.
SA — S
BLADE HEALTH MONITORING SYSTEM
Blade Passing Signals
Checked prior to major outage Maj — O XXXI. A.
Distortion
Checked prior to major outage Maj — O XXXI. B.
Sensor Integrity
Inspect for corrosion Maj — S XXXI. C.
COMBUSTION DYNAMICS MONITORING SYSTEM
Probes & Charge Amplifiers
Calibration CI/2 yrs — S XXXII. A.
Sensor Integrity
Visually inspect for damage Maj — S XXXII. B.
16
© General Electric Company, 2011. GE Proprietary Information. All Rights Reserved.