Inspection and Maintenance Instructions for 7FA.05 Gas Onl
and Dual Fuel Gas Turbine
GEK 116862
Inspection What to Inspect for
Inspection
Frequency and
Turbine Status
Document
or Section
Reference
SPEEDTRONIC
*
CONTROL SYSTEMS
(Refer to Control Systems Section in the Operators Manual)
Control Specifications, Control System Settings, Control Specification-
Control System Adjustments
WATER INJECTION SYSTEM (Dual Fuel Units Only)
Systems Maintenance Control
Calibration Electronic Circuits A — S Specifications
Calibration of Control Valve Circuits
A — S
Water
Injection
Calibration of Flowmeter Circuits
A — S
System
Section
Flowmeter Accuracy 3 Yrs. — S
Control Valve for Leakage A — S
Stop Valve Operation A — S
Stop Valve for Leakage A — S
Forwarding Pump Oil Level M — O
Water Flow per Control Specifications D — O
Accumulator Precharge A — S
Water Spray Nozzles Plugging and
Spray Pattern A — S
Heat Tracing Operation A — S
INLET AIR SYSTEMS (TURBINE)
Inlet Screens/Mist
Eliminators
XXVIII.
Obstructions M — O
Bypass Door XXVIII.
Proper Seal M — O
Limit Switch Operation A — S
Inlet Compartment Inlet
Ductwork and Silencers
XXVIII
Sealing A — S
Cleanliness A — S
Entrapped Material A — S
Inlet Filtration System Refer to the Maintenance Section of the
Manufacturer’s Operation and
Maintenance material contained in the
Operation and Maintenance Manual.
XXVIII.
INLET BLEED HEAT SYSTEMS
Piping
Leakage, vibration, broken supports,
loose hardware, hangers, clamps M—O
Piping Insulation XXIX. A.
Torn or missing M—S/O
Manual Stop Valve XXIX. B.
Improper operation A—S
Control Valve XXIX. C.
Air Leakage from Insulation M—O
© General Electric Company, 2011. GE Proprietary Information. All Rights Reserved.
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