TM 9-6150-226-13
APPENDIX B
MAINTENANCE ALLOCATION CHART
Section I.
INTRODUCTION
B-1.
GENERAL.
a.
This section provides a general explanation of all maintenance and
repair functions authorized at various maintenance levels.
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 or explanatory notes
for a particular maintenance function.
B-2 . MAINTENANCE FUNCTIONS.
Maintenance functions will be limited to and defined as follows:
a. Inspect. To determine the serviceability of an item by comparing its
physical,
mechanical, and/or
electrical
characteristics with
established
standards 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 in proper
operating condition, i.e., 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, by
bringing into proper or exact position 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 or adjustments 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
