ARMY TM 10-8340-224-13
AIR FORCE TO 35E5–6-1
NAVY NAVFAC-P-337.A
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 categories.
b. The Maintenance Allocation Chart (MAC) in section II
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 categories.
c. Section III lists the tools and test equipment (both
special tools and common tool sets) required for each maintenance
function as referenced from section II.
d. Section IV contains supplemental instructions and
explanatory notes for a particular maintenance function.
B-2. MAINTENANCE FUNCTIONS. Maintenance functions will be limited
to and defined as follows:
a. Inspect. To determine the serviceability of an item by
comparing its physical, mechanical and/or electrical
characteristics with established standards through examination.
b. 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.
c.
Service. Operations required periodically to keep an item
in proper operational condition, i.e., to clean (decontaminate),
to preserve, to drain, to paint, or to replenish fuel,
lubricants,
hydraulic fluids, or compressed air supplies.
d. Adjust. To maintain, within prescribed limits, by bringing
into proper or exact position, or by setting the operating
characteristics to the specified parameters.
e. Align. To adjust specified variable elements of an item to
bring about optimum or desired performance.
B-1
