GE 7FA.05 - Page 8

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
Zero Reading M — S
Calibration A — S
Pressure/Temperature
Transmitters
XXX. A.
Damage D — O
Output M — S
Calibration A — S
CONTROL DEVICES
Temperature Switches III. A.
Calibration Pickup and
Dropout Setting A — S
Thermostats III. B.
Calibration Setting A — S
Pressure Regulating Valves III. C.
(VPR’s) Packing Leakage M — O
Incorrect Setting D — O
Temperature Regulating
Valves (VTR’s) Packing Leakage M — O III. D.
Incorrect Setting D — O
HYDRAULIC/MECHANICAL EQUIPMENT
Relief Valves IV. A.
Chattering and Leakage M — O
Settings A — S
Solenoid Valves IV. B.
Leakage M — O
Proper Operation A — S
Servo valves
IV. C.
Verify proper torque A — S
Dirty Filter A — S
Orifices IV. D.
Erosion or Corrosion A — S
Plugging, Orifice Deterioration A — S
Sharp Edges or Irregular Chamfer A — S
Check Valves IV. D.
Leakage SA — S
Corrosion 3 Yrs. — S
Dirt, Scale SA — S
Lube Oil Filters IV. E.
15 psi (1.03 bars) Maximum dP D — O
Leaking Seams and Joints M — O
Dirty Element SA — S or
As Required
Hydraulic/Lift Oil Filters IV. F.
60 psi (4.14 bars) Maximum P D — O
Leaking Seams and Joints M — O
Dirty Element SA — S
Last Chance Filter Check indicator for high DP A — S
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