TM
5-4520-244-1.4
APPENDIX C
MAINTENANCE ALLOCATION CHART
Section 1 lNTRODUCTION
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General
a.
To determine service-
This section provides a general
(1)Inspect.
ability of an item by comparing its phy-
explanation of all maintenance and re-
sical, mechanical, or electrical chara-
pair functions authorized at various
teristics with established standards
maintenance levels.
through examination.
b. Section II designates overall re-
(2) Tut. To verify serviceability
sponsibility for the performance of
of an item by comparing its physical,
maintenance functions on the identified
mechanical , or electrical characteris-
end item or component and the work
tics of an item, and comparing those
measurement time required to perform
characteristics with prescribed stand-
the functions by the designated mainten-
ance level. The implementation of the
ards.
(3) Service. Operations required
maintenance functions upon the end item
periodically to keep an item in proper
or components will be consistent with
operating condition, i.e. , to clean
the assigned maintenance functions.
c. Section III lists the tools and
(decontaminate), to preserve, to drain,
to paint, or to replenish fuel, lubri-
test equipment required for each main-
cants, hydraulic fluids, or compressed
tenance function as referenced from
air supplies.
Section II (Not Applicable).
(4) Adjust. To maintain within pre-
scribed limits, by bringing into pro-
Explanation of Columns in Section II
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per or exact position, or by setting the
a.
Column (1), Group Number. Column 1
operating characteristics to specified
parameters.
lists group numbers to identified related
(5) Align. To ad-just specified
components, assemblies, subassemblies,
variable elements of an item to bring
and modules with their next higher assem-
about optimum or desired performance.
bly. The applicable groups are listed
To determine and
in the MAC in disassembly sequence be-
(6) Calibrate.
cause corrections to be adjusted on
ginning with the first group removed.
instruments or test measuring and
b. Column (2), Component/;Assembly.
diagnostic equipments used in
This column contains the noun mames of
precision measurement. Consist of com-
components, assemblies, subassemblies
parison of two instruments, one of which
and modules for which maintenance is
is a certified standard of known accura-
authorized.
c. Column(3), Maintenance Functions.
cy, to detect and adjust any discrepancy
This column lists the functions to be
in the accuracy of the instrument being
compared.
performed on the item listed in Column 2.
(7) Install. The act of emplacing,
The maintenance functions are defined
seating, or fixing into position an
as follows:
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