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TM 10-4130-239-14
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 varous maintenance categories.
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.
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.
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.
Align. 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
equipments 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
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