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APPENDIX C
MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
C-1. General
a.
Section I, provides a general explanation of all
maintenance and repair functions authorized at various
maintenance levels.
b.
Section lI, designates overall responsibility for
the performance of maintenance operations on the
identified end item or component. The implementation
of the maintenance tasks upon the end item or
component will be consistent with the assigned
maintenance operations.
c.
Section III, lists the special tools and test
equipment required for each maintenance operation as
referenced from section II.
d.
Section IV, contains supplemental instructions,
explanatory notes and/or illustrations required for a
particular maintenance function.
C-2. Explanation of Columns in Section II
a.
Functional Group Number. The functional
group is a numerical group set up on a functional basis.
The applicable functional grouping indexes obtained
from TB 750-981 (Functional Grouping Codes) are listed
on the MAC in the appropriate numerical sequence.
These indexes are normally set up in accordance with
their function and proximity to each other.
b.
Component Assembly Nomenclature. This
column contains a brief description of the components
of each functional group.
c.
Maintenance
Operations
and
Maintenance
Levels. This column lists the various maintenance
operations (A through J) and indicates the lowest
maintenance
level
authorized
to
perform
these
operations. The symbol designations for the various
maintenance levels are as follows:
C -
Operator or crew
O -
Organizational maintenance
F -
Direct support maintenance
H -
General support maintenance
D -
Depot maintenance
The maintenance operations are defined as follows:
A - Service: Operations required periodically follows:
A - Service: Operations required periodically to keep the
item in proper operating condition, i.e., to clean,
preserve,
drain,
paint,
and
replenish
fuel,
lubricants, hydraulic, and deicing fluids, or
compressed air supplies.
B - Adjust: Adjust two or more components of an
electrical or mechanical system so that their
functions are properly synchronized or adjusted.
C - Aline: To adjust specified variable elements of an
item to bring to optimum performance.
D - Calibrate Determine, check, or rectify the graduation
of an instrument, weapon, or weapons system or
components of a weapons system.
E - Inspect: Verify serviceability and detect incipient
electrical or mechanical failure by close visual
examination.
F - Test: Verify serviceability and detect incipient
electrical or mechanical failure by measuring the
mechanical or electrical characteristics of the item
and
comparing
those
characteristics
with
authorized standards. Tests will be made
commensurate with test procedures and with
calibrated tools and/or test equipment referenced
in the MAC.
G - Replace: Substitute serviceable components,
assemblies and subassemblies for
C-1
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