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Page Title:
Appendix C. MAINTENANCE ALLOCATION CHART |
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 MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
A-Inspect. To determine serviceability of an
C-1. General
item by comparing its physical, mechanical,
a. This section provides a general explanation of
and electrical characteristics with established
all maintenance and repair functions authorized
standards.
at various maintenance levels.
B-Test. To verify serviceability and to detect
b. Section II designates overall responsibility
electrical or mechanical failure by use of
for the performance of maintenance functions on
test equipment.
the identified end item or component. The imple-
mentation of the maintenance functions upon the
C-Service. To clean, to preserve, to charge, to
end item or component will be consistent with the
paint, and to add fuel, lubricants, cooling
assigned maintenance functions.
agents, and air.
c. Section III lists the special tools and test
D-Adjust. To rectify to the extent necessary
equipment required for each maintenance function
to bring into proper operating range.
as referenced from Section II.
E-Align. To adjust specified variable elements
d. Section IV contains supplemental instruc-
of an item to bring to optimum performance.
tions, explanatory notes and/or illustrations re-
F-Calibrate. To determine the corrections to
quired for a particular maintenance function.
be made in the readings of instruments or
test equipment used in precise measurement.
C-2. Explanation of Columns in Section II
Consists of the comparisons of two instru-
ments, one of which is a certified standard
a. Group Number. Column 1. The assembly
of known accuracy, to detect and adjust any
group is a numerical group assigned to each as-
discrepancy in the accuracy of the instru-
sembly in a top down breakdown sequence. The
m e n t being compared with the certified
applicable assembly groups are listed on the MAC
standard.
in disassembly sequence beginning with the first
assembly removed in a top down disassembly se-
G-Install. To set up for use in an operational
quence.
environment such as an emplacement, site,
or vehicle.
b. Assembly Group. Column 2. This column con-
tains a brief description of the components of each
H-Replace. To replace unserviceable items with
assembly group.
serviceable assemblies, subassemblies, or
parts.
c. Maintenance Functions. Column 3. T h i s
column lists the various maintenance functions (A
I-Repair. To restore an item to serviceable
through K) and indicates the lowest maintenance
condition. This includes, but is not limited
level authorized to perform these functions. The
to, inspection, cleaning, preserving, adjust-
symbol designations for the various maintenance
replacing,
and
riveting,
ing,
welding,
levels are as follows:
strengthening.
C--Operator or crew
J-Overhaul. To restore an item to a completely
O--Organizational maintenance
serviceable condition as prescribed by main-
F--Direct support maintenance
tenance serviceability standards using the
H--General support maintenance
I n s p e c t and Repair Only as Necessary
The maintenance functions are defined as follows:
(IROAN) technique.
AGO 20053A
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