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 TM 55-1905-220-14-9
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
various maintenance levels.
b. Section II designates overall responsibility for the performance of maintenance functions on the
identified end item or component and the work measurement time required to perform the functions by the
designated maintenance level. The implementation of the maintenance functions upon the end item or
components will be consistent with the assigned maintenance functions.
c. Section III lists the tools and test equipment required for each maintenance function as referenced from
Section II.
d.
Section IV lists the remarks referenced from Section II.
B-2.
EXPLANATION OF COLUMNS IN Section II.
a. Column (1), Group Number. Column 1 lists group numbers to identify related components, assemblies,
subassemblies, and modules with their next higher assembly. The applicable groups are listed in the MAC in
disassembly sequence beginning with the first group removed.
b. Column (2), Component/Assembly. This column contains the known names of components,
assemblies, subassemblies, and modules for which maintenance is authorized.
c. Column (3), Maintenance Functions. This column lists the functions to be performed on the item listed
in Column 2. The maintenance functions are defined as follows:
(1) Inspect. To determine serviceability of an item by comparing its physical, mechanical,
or electrical characteristics with established standards through, examination.
(2) Test. To verify serviceability and to detect incipient failure by measuring the
mechanical or electrical characteristics of an item, and comparing those characteristics with prescribed
standards.
(3) Service. Operations required periodically to keep an item in proper operating
condition, i.e., to clean (decontaminate), to preserve, to drain, to paint, or to replenish fuel, lubricants, hydraulic
fluids, or compressed air supplies.
B-1
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