NAVELEX EE 181-AA-OMI-050/E121 DT546 M9442
MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
d. Adjust. To maintain, within prescribed limits, by
bringing into proper or exact position, or by setting the
operating characteristics to specified parameters.
This section provides a general explanation
of all maintenance and repair functions
e. Align. To adjust specified variable elements of an
authorized at various maintenance levels.
item to bring about optimum or desired performance.
Section II designates overall responsibility
f. Calibrate. To determine and cause corrections to
for the performance of maintenance
be made, or to be adjusted on instruments for test,
functions on the identified end item or
measuring and diagnostic equipments used in precision
component. The implementation of the
Consists of comparisons of two
maintenance functions upon the end item or
instruments, one of which is a certified standard of
component will be consistent with the
known accuracy, to detect and adjust any discrepancy in
assigned maintenance functions.
the accuracy of the instrument being compared.
Section III lists the special tools and test
g. Install. The act of emplacing, seating, or fixing into
equipment required for each maintenance
position an item, part, or module in a manner to allow
function as referenced from section II.
the proper functioning of an equipment or system.
h. Replace. The act of substituting a serviceable like
instructions or explanatory notes for a
part, subassembly, or module for an unserviceable
particular maintenance function.
i. Repair. The application of maintenance services
(inspect, test, service, adjust, align, calibrate, or replace)
functions are defined as follows:
or other maintenance actions (welding, grinding,
riveting, straightening, facing, remachining, or
a. Inspect. To determine the serviceability of an item
resurfacing) to restore serviceability to an item by
by comparing its physical, mechanical and/ or electrical
correcting specific damage, fault, malfunction, or failure
characteristics with established standards through
in a part, subassembly, module, end item or system.
That maintenance effort (service/
b. Test. To verify serviceability and detect incipient
actions) necessary to restore an item to a completely
failure by measuring the mechanical or electrical
serviceable/operational condition as prescribed by
characteristics of an item and comparing those
maintenance standards (i.e., DMWR) in appropriate
characteristics with prescribed standards.
technical publications. Overhaul is normally the highest
degree of maintenance performed by the Army.
c. Service. Operations required periodically to keep
Overhaul does not normally return an item to like new
an item in proper operating condition, i.e., to clean, to
preserve, to drain, to paint, or to replenish fuel,
lubricants, hydraulic fluids, or compressed air supplies.