Auxiliary and Controls Systems Maintenance Inspection and Maintenance
ACSM–2
D — Daily Inspection
W — Weekly Inspection
M — Monthly Inspection
Q — Quarterly Inspection
SA — Semiannual Inspection
CI — Combustion Inspection
A — Annual Inspection
HGP — Hot Gas Path Inspection
Maj — Major Overhaul Inspection
Yrs. — Years
O — Turbine Operating
S — Turbine Shutdown
The recommended inspection frequencies and turbine statuses, specified in this column, are representative
of an average power plant installation and include both peaking and continuous operating stations. They are
not intended to cover all variations of equipment supplied and may depend upon station environment. (In
some cases, a shutdown may be recommended solely as a precaution against possible injury to maintenance
personnel, because the location of the component or device is in a hazardous area.)
The “Reference” column, in the Inspection Schedule, refers to those pages in the text which provide detailed
inspection information on the device, assembly, or system under inspection. This column also refers to publi-
cations, issued by the GE Company which supplement the information in the text. These publications can
be found under the system tabs in the Service Manual.
It is our intent that these instructions, with the help of a GE Field Service Representative, be used as an aid
in the preparation of an individual maintenance program for each purchaser.
PERIODIC INSPECTION SCHEDULE
Inspection What to Inspect for
Inspection
Frequency and
Turbine Status
Document
or Page
Reference
STANDARD MAINTENANCE ITEMS
INSTRUMENTATION
Pressure Switches
and Gauges Damage
Reading in Error
Calibration
D — O
D — O
A — S
IMP–1
Thermometers
(Dial Type) Damage
Reading in Error
Calibration
D — O
D — O
A — S
IMP–1
Flowmeters
Leaking Seams and Joints
Calibration
D — O
A — S
IMP–1
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