c. Maintenance Functions. Column 3. This column lists the various
maintenance functions (A through K) and indicates the lowest mainte-
nance category authorized to perform these functions.
The symbol desig-
nations for the various maintenance categories are as follows:
C -
O -
F -
H -
D -
The
A -
B -
C -
D -
E -
F -
Operator or crew
Organizational maintenance
Direct support maintenance
General support maintenance
Depot maintenance
maintenance functions are defined as follows:
INSPECT.
To determine serviceability of an item by comparing its
physical, mechanical, and electrical characteristics with estab-
lished standards.
TEST .
To verify serviceability and to detect electrical or mechan-
ical failure by use of test equipment.
SERVICE.
To clean, to preserve, to charge, to paint, and to add
fuel, lubricants, cooling agents, and air.
ADJUST. To rectify to the extent necessary to bring into proper
operating range.
ALIGN. To
to optimum
CALIBRATE.
adjust specified variable elements of an
performance.
To determine the corrections to be made
item to bring
in the read-
ings of instruments or test
Consists of the comparisons
equipment used in precise measurement.
of two instruments, one of which is a
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