TM 11-6110-211-15
APPENDIX III
MAINTENANCE ALLOCATION
Section I. INTRODUCTION
(f) Repair. To restore an item to service-
1. General
able condition through correction of a
a. This appendix assigns maintenance functions
specific failure or unserviceable condi-
to be performed on components, assemblies, and
tion. This function includes but is not
subassemblies by the lowest appropriate mainte-
limited to welding, grinding, riveting,
nance category.
straightening, and replacement of parts
b. Columns in the maintenance allocation chart
other than the trial and error replace-
are as follows:
ment of running spare type items such
(1) Part or component. This column shows
as fuses, lamps, or electron tubes.
only the nomenclature or standard item
(g) Align. To adjust two or more com-
name. Additional descriptive data are
ponents of an electrical system so
included only where clarification is nec-
that their functions are properly
essary to identify the component. Com-
synchronized.
ponents, assemblies, and subassemblies
(h) Calibrate. To determine, check, or
are listed in top-down order. That is,
rectify the graduation of an instru-
the assemblies which are part of a com-
ment, weapon, or weapons system, or
ponent are listed immediately below that
components of a weapons system.
component, and subassemblies which are
(i) Overhaul. To restore an item to com-
part of an assembly are listed imme-
pletely serviceable condition as pre-
diately below that assembly. Each gener-
scribed by serviceability standards.
ation breakdown (components, assem-
This is accomplished through employ-
blies, or subassemblies) is listed in dis-
ment of the technique of "inspect and
assembly order or alphabetical order.
repair only as necessary" (IROAN).
(2) Maintenance function. This column in
Maximum utilization of diagnostic and
dicates the various maintenance functions
test equipment is combined with mini-
allocated to the categories.
mum disassembly of the item during
(a) Service. To clean, to preserve, and to
the overhaul process.
replenish lubricants.
(j) Rebuild. To restore an item to a stand-
(b) Adjust. To regulate periodically to
ard as near as possible to original or
prevent, malfunction.
new condition in appearance, perform-
(c) Inspect. To verify serviceability and
ance and life expectancy. This is ac-
detect incipient electrical or mechanical
complished through the maintenance
failure by scrutiny.
technique of complete disassembly of
(d) Test. To verify serviceability and to
the item, inspection of all parts or com-
detect incipient electrical or mechanical
ponents, repair or replacement of worn
failure by use of special equipment
or unserviceable elements using origi-
such as gages, meters, and other test
nal manufacturing tolerances and/or
devices.
specifications and subsequent reassem-
To substitute serviceable
(e) Replace.
bly of the item.
components, assemblies, or subassem-
blies, for unserviceable components,
(3) Operator, organization, direct support,
general support, and depot. The symbol
assemblies, or subassemblies.
AIII-1
