MAINTENANCE ALLOCATION CHART
COMBAT ENGINEER VEHICLE
Section I. INTRODUCTION
a. This section provides a general explanation of all maintenance and repair functions authorized
at various maintenance levels.
b. The Maintenance Allocation Chart (MAC) in Section II designates overall responsibility for the
performance of maintenance functions on the identified end item or component. The implementation of
the maintenance functions upon the end item or component will be consistent with the assigned
c. Section III lists the special tools and test equipment required for each maintenance function as
referenced from Section II.
d. Section IV contains supplemental instructions and explanatory notes for a particular
B-2. Maintenance Functions.
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 by measuring the mechanical or electrical characteris- tics 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 (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 specified parameters.
e. Aline. To adjust specified variable elements of an item to bring about optimum or desired
f. Calibrate. To determine and cause corrections to be made or to be adjusted on instruments or
test, measuring, and diagnostic equipments used in precision measurement. Consists of comparisons of
two instrument, one of which is a certified standard of known accuracy, to detect and adjust any
discrepancy in the accuracy of the instrument being compared.