NAVELEX EE 181-AA-OMI-120/E121 C-7359-60-1
MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
This section provides a general explanation of all maintenance and repair functions authorized at various
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 maintenance functions.
Section III lists the special tools and test equipment required for each maintenance function as referenced
from section II.
Section IV contains supplemental instructions or explanatory notes for a particular maintenance function.
B-2. MAINTENANCE FUNCTIONS. Maintenance functions are defined as follows:
Inspect. To determine the serviceability of an item by comparing its physical, mechanical and/or electrical
characteristics with established standards through examination.
Test. To verify serviceability and detect incipient failure by measuring the mechanical or electrical
characteristics of an item and comparing those characteristics with prescribed standards.
Service. Operations required periodically to keep 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.
Adjust. To maintain, within prescribed limits, by bringing into proper or exact position, or by setting the
operating characteristics to specified parameters.
Align. To adjust specified variable elements of an item to bring about optimum or desired performance.
Calibrate. To determine and cause corrections to be made, or to be adjusted on instruments for test,
measuring and diagnostic equipments used in precision measurement. Consists of comparisons of two instruments, one
of which is a certified standing of known accuracy, to detect and adjust any discrepancy in the accuracy of the instrument
Install. The act of emplacing, seating, or fixing into position an item, part, or module in a manner to allow the
proper functioning of an equipment or system.
The act of substituting a serviceable like part, subassembly, or module for an unserviceable
Repair. The application of maintenance services (inspect, test, service, adjust, align, calibrate, or replace) or
other maintenance actions (welding, grinding, riveting, straightening, facing, remachining, or resurfacing) to restore
serviceability to an item by correcting specific damage, fault, malfunction, or failure in a part, subassembly, module, end
item or system.