TM 5-6350-264-14&P-12
NAVELEX EE 181-AA-OMI-120/E121 C-7359-90-1
T.O. 31S9-2FSS0-1-12
MAINTENANCE ALLOCATION CHART
Section 1. INTRODUCTION
B-1
The Army Maintenance System MAC
This introduction provides a general explanation of all maintenance and repair functions
authorized at the two maintenance levels under the Two-Level Maintenance System concept.
This MAC (immediately following the introduction) designates overall authority and responsibility
for the performance of maintenance functions on the identified end item or component. The
application of the maintenance functions to the end item or component shall be consistent with
the capacities and capabilities of the designated maintenance levels, which are shown on the
MAC in column (4) as:
Field includes three subcolumns, Crew maintenance
(C),
Service maintenance(O), and Field maintenance (F).
Sustainment includes two subcolumns, Below Depot (H) and Depot(D).
The tools and test equipment requirements (immediately following the MAC) list the tools and test
equipment (both special tools and common tool sets) required for each maintenance function as
referenced from the MAC.
The remarks (immediately following the tools and test equipment requirements) contain
supplemental instructions and explanatory notes for a particular maintenance function.
B-2
Maintenance Functions
Maintenance functions are limited to and defined as follows:
1.
Inspect. To determine the serviceability of an item by comparing its physical,
mechanical, and/or electrical characteristics with established standards through
examination (e.g., by sight, sound, or feel). This includes scheduled inspection and
gagings and evaluation of cannon tubes.
2.
Test. To verify serviceability by measuring the mechanical, pneumatic, hydraulic, or
electrical characteristics of an item and comparing those characteristics with prescribed
standards on a scheduled basis, i.e., load testing of lift devices and hydrostatic testing of
pressure hoses.
