MAINTENANCE ALLOCATION CHART (MAC)
SECTION I. INTRODUCTION.
This introduction (Section I) provides a general explanation of all maintenance and repair functions authorized at
various maintenance levels.
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
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.
Section IV contains remarks referred to In Section II.
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, hydraulic, or electrical
characteristics with established standards through examination (e g, by sight, sound, or feel).
b. Test To verify serviceability by measuring the mechanical, hydraulic, or electrical characteristics of an Item and
comparing those characteristics with prescribed standards
c. Service Operations required periodically to keep an item in proper operating condition, I e, to clean (includes
decontamination, when required), to preserve, to drain, to paint, or to replenish fuel, lubricants, chemical fluids, or gases
d. Adjust To maintain or regulate, within prescribed limits. by bringing into proper or exact position, or by setting the
operating features to specified parameters
e. Align To adjust specified elements of an item In order to bring about the best or the desired performance.