Quantcast Appendix B: MAINTENANCE ALLOCATION CHART (MAC) 2-LM

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TM 9-2330-326-14&P
MAINTENANCE ALLOCATION CHART (MAC) 2-LM
B-1. INTRODUCTION
The Army Maintenance System MAC
This introduction provides a general explanation of all maintenance and repair functions authorized
at various maintenance levels under the standard Army maintenance system concept.
The MAC (Section B-2, immediately following this 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 will be
consistent with the capacities and capabilities of the designated maintenance levels, which are
shown on the MAC in Column (4) as:
FIELD LEVEL
SUSTAINMENT LEVEL
Unit:
General Support:
Includes two sub column(s),
Includes H sub column.
C (Operator/Crew), and
O (Organizational) maintenance.
Direct Support:
Depot:
Includes F sub column.
Includes D sub column.
The Tools and Test Equipment (Section B-3, 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 (Section B-4, immediately following the Tools and Test Equipment) contain
supplemental instructions and explanatory notes for a particular maintenance function.
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, gauging, and evaluation of cannon tubes.
2.
Test. To verify serviceability by measuring the mechanical, pneumat ic, hydraulic, or electrical
characteristics of an item and comparing those characteristics with prescribed standards on a
scheduled basis, e.g., load testing of lift devices and hydrostatic testing of pressure hoses.
3.
Service. Operations required periodically to keep an item in proper operating condition; e.g., to
clean (includes decontaminate, when required), to preserve, to drain, to paint, or to replenish fuel,
lubricants, chemical fluids, or gases. This includes scheduled exercising and purging of r coil
e
mechanisms.



 


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