TM9-2330-368-14 & P
APPENDIX B
MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
c. Service. Operations required periodically
B-1. GENERAL
to keep an item in proper operating condition, i.e.,
to clean (includes to decontaminate, when re-
a. This section provides a general explana-
quired), to preserve, to drain, to paint, or to replen-
tion of all maintenance and repair functions
ish fuel, lubricants, chemical fluids, or gases.
authorized at various maintenance categories.
d. Adjust. To maintain, within prescribed
b. The Maintenance Allocation Chart (MAC)
limits, by bringing into proper or exact position,
in section II designates overall responsibility for
or by setting the operating characteristics to
the performance of maintenance functions on the
specified parameters.
identified end item or component. The implemen-
tation of the maintenance functions upon the end
e. Align. To adjust specified variable ele-
item or component will be consistent with the
ments of an item to bring about optimum or de-
assigned maintenance functions.
sired performance.
c. Section III lists the special tools and test
f. Calibrate. To determine and cause correc-
equipment required for each maintenance func-
tions to be made or to be adjusted on instruments
tion as referenced from section II.
or test, measuring, and diagnostic equipments used
in precision measurement. Consists of comparisons
d. Section IV contains supplemental instruc-
of two instruments, one of which is a certified
tions and explanatory notes for a particular main-
standard of known accuracy, to detect and adjust
tenance function.
any discrepancy in the accuracy of the instrument
being compared.
B-2. MAINTENANCE FUNCTIONS
g. Install. The act of emplacing, seating, or
fixing into position an item, part, or module (com-
Maintenance functions will be limited to and de-
ponent or assembly) in a manner to allow the
fined as follows:
proper functioning of an equipment or system.
a. Inspect. To determine the serviceability
h. Replace. The act of substituting a ser-
of an item by comparing its physical, mechanical,
viceable like type part, subassembly, or module
and/or electrical characteristics with established
(component or assembly) for an unserviceable
standards through examination,
counterpart.
b. Test. To verify serviceability by measuring
the mechanical or electrical characteristics of an
item and comparing those characteristics with
prescribed standards.
B-1
