TM 11-6625-828-12
APPENDIX C
MAINTENANCE ALLOCATION
Section I. INTRODUCTION
system. This function does not include the trial and error
C-1. General.
replacement of running spare type items such as fuses,
This appendix provides a summary of the maintenance
lamps, or electron tubes.
operations for Test Set, Radio, AN/ARM-A. It authorizes
j.
Overhaul That periodic maintenance effort
categories of maintenance for specific maintenance
(service/action) necessary to restore an item to a
functions on repairable items and components and the
completely
serviceable/operational
condition
as
tools and equipment required to perform each function.
prescribed by maintenance standards (e.g., MWDR) in
This appendix may be used as an aid in planning
appropriate technical publications. Overhaul is normally
maintenance operations.
the highest degree of maintenance performed by the
C-2. Maintenance Function.
Army. Overhaul does not normally return an item to like-
Maintenance functions will be limited to and defined as
new condition.
follows:
k. Rebuild. Consists of those services/actions
a. Inspect To determine the serviceability of an item
necessary for the restoration of unserviceable equipment
by comparing its physical, mechanical, and/or electrical
to a like-new condition in accordance with original
characteristics with established standards through
manufacturing standards. Rebuild is the highest degree
examination.
of material maintenance applied to Army equipment.
b. Test To verify serviceability and to detect incipient
The rebuild operation includes the act of returning to zero
failure by measuring the mechanical or electrical
those age measurements (hours, miles, etc.) considered
characteristics of an item and comparing those
in classifying Army equipment/components.
characteristics with prescribed standards.
C-3. Column Entries.
c. Service. Operations required periodically to keep
a. Column 1, Group Number. Column 1 lists group
an item in proper operating condition, i.e., to clean,
numbers, the purpose of which is to identify components,
preserve,
drain,
paint,
or
to
replenish
assemblies, subassemblies and modules with the next
fuel/lubricants/hydraulic fluids or compressed air
higher assembly.
supplies.
b. Column 2, Component/Assembly. Column 2
d. Adjust Maintain within prescribed limits by bringing
contains the noun names of components, assemblies,
into proper or exact position, or by setting the operating
subassemblies, and modules for which maintenance is
characteristics to the specified parameters.
authorized.
e. Align. To adjust specified variable elements of an
c. Column 3, Maintenance Functions. Column 3 lists
item to about optimum or desired performance.
the functions to be performed on the item listed in
f. Calibrate. To determine and cause corrections to
column 2. When items are listed without maintenance
be made or to be adjusted on instruments or test
functions, it is solely for purpose of having the group
measuring and diagnostic equipment used in precision
numbers in the MAC and RPSTL coincide.
measurement. Consists of the comparison of two
d. Column 4, Maintenance Category. Column 4
instruments, one of which is a certified standard of
specifies, by the listing of a "worktime" figure in the
known accuracy, to detect and adjust any discrepancy in
appropriate subcolumn(s), the lowest level of
the accuracy of the instrument being compared.
maintenance authorized to perform the function listed in
g. Install . The act of emplacing, seating, or fixing
column 3. This figure represents the active time required
into position an item, part, module (component or
to perform that maintenance function at the indicated
assembly) in a manner to allow the proper functioning of
category of maintenance. If the number or complexity of
the equipment/system.
the tasks within the listed maintenance function vary at
h Replace. The act of substituting a serviceable like-
different maintenance categories, appropriate "worktime"
type part, subassembly, model (component or assembly)
figures will be shown for each category. The number of
for an unserviceable counterpart.
task-hours specified by the "worktime" figure represents
i Repair. The application of maintenance services
the average time required to restore an item (assembly,
(inspect, test, service, adjust, align, calibrate, replace) or
subassembly, component, module, end item or system)
other maintenance actions (welding, grinding, riveting,
to a serviceable condition under typical field operating
straightening, facing, remachining, or resurfacing) to
conditions.
This time includes preparation time,
restore serviceability to an item by correcting specific
troubleshooting time and quality
damage, fault, malfunction, or failure in a part,
subassembly, module/component/assembly, end item or
Change 1 C-1
