MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
characteristics of an item and comparing those
characteristics with prescribed standards
a. This section provides a general explanation of all
C-Service: Operations required periodically to keep
maintenance and repair functions authorized at various
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.
performance of maintenance functions on the identified
D-Adjust: To maintain within prescribed limits, by
end item or component and the work measurement time
bringing into proper or exact position, or by setting the
required to perform the functions by the designated
operating characteristics to specified parameters.
The implementation of the
E-Align. To adjust specified variable elements of an
maintenance functions upon the end item or component
item to bring about optimum or desired performance.
will be consistent with the assigned maintenance
F-Calibrate: To determine and cause corrections to
be made or to be adjusted on instruments or test
c. Section III lists the special tools and test
measuring and diagnostic equipment used in precision
equipment required for each maintenance function as
Consists of comparisons of two
referenced from Section II. (Not Applicable).
instruments, one of which is certified standard of known
d. Section IV contains supplemental instructions or
accuracy, to detect and adjust any discrepancy of the
explanatory notes for a particular maintenance function.
instrument being compared.
G-Install: The act of emplacing, seating, or fixing into
position an item, part or module (component or
B-2. EXPLANATIONS OF COLUMNS IN SECTION II.
assembly) in a manner to allow the proper functioning of
a. Column (1), Group Number. A number is
an equipment or system.
assigned to each group in a top down breakdown
H-Replace: The act of substituting a serviceable like
sequence. The applicable groups are listed with the first
type part, subassembly, or module (component or
assembly for an unserviceable counterpart.
b. Column (2), Functional Group. This column
I-Repair: The application of maintenance services
contains a brief description of the components of each
(inspect, test, service, adjust align, calibrate, or replace)
or other maintenance actions (welding, grinding,
c. Column (3), Maintenance Functions. This
column lists the various maintenance functions (A
resurfacing) to restore serviceability to an item by
through K). The lowest maintenance level authorized to
correcting specific damage, fault, malfunction, or failure
perform these functions is indicated by a symbol in the
in a part, subassembly, module (component or
appropriate column. Work measurement time standards
assembly), end item, or system.
(the active repair time required to perform the
J-Overhaul: That maintenance effort (service/action)
maintenance function) are shown directly below the
necessary to restore an item to a completely
symbol identifying the maintenance level. The symbol
serviceable/operational condition as prescribed by
designation for the various maintenance levels are as
maintenance standards (i.e., DMWR) in appropriate
technical publication. Overhaul is normally the highest
C-Operator or crew
degree of maintenance performed by the Army.
Overhaul does not normally return an item to like new
F-Direct support maintenance
H-General support maintenance
K-Rebuild: Consists of those services/actions
necessary for the restoration of unserviceable equipment
The maintenance functions are defined as follows:
to a like new condition in accordance with
A-Inspect: To determine serviceability of an item by
comparing its physical, mechanical, and electrical
characteristics with established standards through
B-Test: To verify serviceability and detect incipient
failure by measuring the mechanical or electrical