TM
5-4310-350-14
MAINTENANCE
ALLOCATION
CHART
Section I. INTRODUCTION
to drain, to paint, or to replenish fuel, lubricants,
B-1. General
hydraulic fluids, or compressed air supplies.
a. This section provides a general explanation
4. ADJUST. To maintain within prescribed
of all maintenance and repair functions author-
limits, by bringing into proper or exact position,
ized at various maintenance levels.
or by setting the operating characteristics to
b. Section II designates overall responsibility
s p e c i f i e d parameters. ,
for the performance of maintenance functions on
5. ALIGN. To determine and cause correc-
the identified end item or component and the
tions to be made or to be adjusted on instruments
work measurement time required to perform the
or test measuring and diagnostic equipments used
functions by the designated maintenance level.
in precision measurement. Consists of comparison
The implementation of the maintenance functions
of two instruments, one of which is a certified
upon the end item or component will be consistent
standard of known accuracy, to detect and adjust
with the assigned maintenance functions.
any discrepancy in the accuracy of the instrument
c. Section III lists the tools and test equipment
being compared.
required for each maintenance function as refer-
7. INSTALL. The act of emplacing, seating,
enced from Section II.
or fixing into position an item, part or module
(component or assembly) in a manner to allow the
B-2. Explanation of Columns in
proper functioning of an equipment or system.
Section II
8. REPLACE. The act of substituting a
a. Column (1), Group Number. Column 1 lists
s e r v i c e a b i l i t y like type part, sub-assembly
group numbers to identify related components,
o r module (component or assembly) for an
assemblies, sub-assemblies, and modules with their
unserviceable counterpart.
next higher assembly. The applicable groups are
9. REPAIR. The application of maintenance
listed in the MAC in disassembly sequence begin-
services (inspect, test, service, adjust, align,
ning with the first group removed.
calibrate, o r replace) or other maintenance
b. Column (2), Component/Assembly. This
actions (welding, grinding, riveting, straighten-
column contains the noun names of components,
i n g , facing, remachining or resurfacing) to
assemblies, sub-assemblies and modules for which
restore serviceability to an item by correcting
maintenance is authorized.
specific damage, fault, malfunction, or failure in
c. Column (3), Maintenance Functions. This
a part, sub-assembly, module (component or
column lists the functions to be performed on the
assembly), end item, or system.
item listed in Column (2).
10. OVERHAUL. That maintenance effort
The maintenance functions are defined as follows:
(service/action ) necessary to restore an item
1. INSPECT. To determine serviceability of
to a completely serviceable/operational condition
an item by comparing its physical, mechanical,
as prescribed by maintenance standards (i.e.,
and/or electrical characteristics with established
DMWR) in appropriate technical publications.
standards through examination.
Overhaul is normally the highest degree of mainte-
2. TEST. To verify serviceability and detect
nance performed by the Army. Overhaul does not
incipient failure by measuring the mechanical or
normally return an item to a like new condition.
electrical characteristics of an item and com-
paring those characteristics with prescribed
11. REBUILD. Consists of those services/
standards.
actions necessary for the restoration of unservice-
3. SERVICE. Operations required periodi-
a b l e equipment to a like new condition in
accordance with original manufacturing stand-
cally to keep an item in proper operating con-
dition, i.e., to clean (decontaminate), to preserve,
ards. Rebuild is the highest degree of material
