MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
a. This section provides a general explanation of
all maintenance and repair functions authorized
at various maintenance levels.
b. Section II designates overall responsibility for
the performance of maintenance functions on
the identified end item or component. The
implementation of the maintenance functions
upon the end item or component will be
Section III lists the tools and test equipment
required for each maintenance function as
referenced from Section II.
d. Section IV contains supplemental instructions,
explanatory notes and/or illustrations required
for a particular maintenance function.
EXPLANATION OF COLUMNS IN SECTION
Group Number. Column 1. The assembly
group is a numerical group assigned to each
assembly in a top down breakdown sequence.
The applicable assembly groups are listed on
the MAC in disassembly sequence beginning
with the first assembly removed in a top down
b. Assembly Group. Column 2. The column
contains a brief description of the components
of each assembly group.
c. Maintenance Functions. Column 3. This
column lists the various maintenance functions
maintenance category authorized to perform
these functions. The symbol designations for
the various maintenance categories are as
C - Operator or Crew
O - Organizational maintenance
F - Direct support maintenance
H - General support maintenance
D - Depot maintenance
The maintenance functions are defined as follows:
A - Inspect. To determine serviceability of an
item by comparing its physical, mechanical,
B - Test. To verify service-ability and to detect
electrical or mechanical failure by use of
C - Service. To clean, to preserve, to charge,
and to add fuel, lubricants, cooling agents,
and air. It if is desired that elements, such
as painting and lubricating, be defined
separately, they may be so listed.
D - Adjust. To rectify to the extent necessary to
bring into proper operating range.
E - Align. To adjust specified variable elements
of an item to bring to optimum performance.
F - Calibrate. To determine the corrections to
be made in the readings of instruments or
measurement. Consists of the comparison