TM 9-2320-283-20-3
APPENDIX B
MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
B-1. GENERAL.
a. This section provides a general explanation of all maintenance
functions authorized at various maintenance categories.
and repair
b. The Maintenance Allocation Chart (MAC) in section II designates overall
authority and responsibility for the performance of maintenance
functions on
the identified end item or component.
The application of the maintenance
functions to the end item or component will be consistent with the capacities
and capabilities of the designated maintenance categories.
c.
Section III lists the tools and test equipment (both special tools and
common
tool sets) required
for each maintenance function as referenced from
section II.
d. Section IV contains supplemental instructions and explanatory notes for a
particular maintenance function.
B-2. MAINTENANCE FUNCTIONS.
a. Inspect.
physical,
To determine the serviceability of an item by comparing its
mechanical, and/or electrical characteristics with established stan-
dards through examination (e.g., by sight, sound, or feel).
b. Test.
To verify serviceability by measuring the mechanical, pneumatic,
hydraulic, or electrical
characteristics of an
item and comparing
those
characteristics with prescribed standards.
c. Service.
Operations required periodically to keep an
item
operating condition, i.e.,
in proper
to clean (includes decontaminate, when required), to
preserve, to drain, to paint, or to replenish fuel, lubricants, chemical
fluids, or gases.
d. Adjust.
To maintain or regulate,
within prescribed limits,
into proper or exact position,
by bringing
or by setting the operating characteristics to
specified parameters.
e. Aline.
To adjust specified variable elements of an item to bring about
optimum or desired performance.
f. Calibrate.
To determine and cause corrections to be made or to be
adjusted on instruments or
test, measuring,
and diagnostic equipment
used in
precision measurement.
Consists of comparisons of two instruments, one of
which is a certified standard of known accuracy,
to detect and adjust any
discrepancy in the accuracy of the instrument being compared.
B-1
