Inspection and Maintenance Auxiliary and Controls Systems Maintenance
ACSM–3
Inspection
Document
or Page
Reference
Inspection
Frequency and
Turbine StatusWhat to Inspect for
Vibration Detectors
Stable Reading
Mounting Secure
D — O
A — S
IMP–1
Liquid Level Indicators
Reading in Error
High and Low Actuation Point
D — O
A — S
IMP–2
Panel Meters
Damage
Zero Reading
Calibration
D — O
M — S
A — S
IMP–2
CONTROL DEVICES
Temperature Switches
Calibration Pickup and
Dropout Setting A — S
IMP–2
Thermostats
Calibration Setting A — S
IMP–2
Pressure Regulating Valves
(VPR’s) Packing Leakage
Incorrect Setting
M — O
D — O
IMP–2
Temperature Regulating
Valves (VTR’s) Packing Leakage
Incorrect Setting
M — O
D — O
IMP–3
HYDRAULIC/MECHANICAL EQUIPMENT
Relief Valves
Chattering and Leakage
Settings
M — O
A — S
IMP–4
Solenoid Valves
Leakage
Proper Operation
M — O
A — S
IMP–4
Servovalves
Verify proper torque (17–19 inch
pounds)
A — S
IMP–4
Orifices
Erosion or Corrosion
Plugging, Orifice Deterioration
Sharp Edges or Irregular Chamfer
A — S
A — S
A — S
IMP–4
Check Valves
Leakage
Corrosion
SA — S
3 Yrs. — S
IMP–4
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