TM 11-6130-392-12
APPENDIX B
MAINTENANCE ALLOCATION CHART
Section I. INTRODUCTION
B-1. General
vice/action) necessary to restore an item to a completely
This appendix provides a summary of the maintenance
serviceable/operational condition as prescribed by main-
tenance standards (e.g., DMWR) in appropriate technical
operations for Battery Charger PP-7286/U. It authorizes
categories of maintenance for specific maintenance func-
publications. Overhaul does not normally return an item
tions on repairable items and components and the tools
to like-new condition.
and equipment required to perform each function. This
k. Rebuild. Consists of those services/actions neces-
appendix may be used as an aid in planning maintenance
sary for the restoration of unserviceable equipment to a
operations.
like-new condition in accordance with original manufac-
turing standards. Rebuild is the highest degree of material
B-2. Maintenance Functions
maintenance applied to Army equipment. The rebuild
Maintenance functions shall be limited to and defined as
operation includes the act of returning to zero those age
follows in connection with the Maintenance Allocation
measurements (hours, miles, etc.) considered in classify-
Chart:
ing Army equipment/components.
a. Inspect. To determine the serviceability of an item
B-3. Column Entries (Sect. II)
by comparing its physical, mechanical, and/or electrical
characteristics with established standards through ex-
a. Column 1, Group Number. Column 1 lists group
amination.
numbers, the purpose of which is to identify components,
b. Test. To verify serviceability and to detect incipient
assemblies, subassemblies and modules with the next
failure by measuring the mechanical or electrical charac-
higher assembly.
teristics of an item and comparing those characteristics
b. Column 2, Component/Assembly. Column 2 con-
with prescribed standards.
tains the noun names of components, assemblies, sub-
c. Service. Operations required periodically to keep an
assemblies, and modules for which maintenance is
item in proper operating condition, i.e., to clean,
authorized.
preserve, drain, paint, or to replenish fuel/lubricants/-
c. Column 3, Maintenance Functions. Column 3 lists
hydraulic fluids or compressed air supplies.
the functions to be performed on the item listed in column
d. Adjust. Maintains within prescribed limits by bring-
2.
ing into proper or exact position, or by setting the operat-
d. Column 4, Maintenance Category. Column 4
ing characteristics to the specified parameters.
specifies, by the listing of a " worktime" figure in the ap-
e. Align. To adjust specified variable elements of an
propriate subcolumn (s), the lowest level of maintenance
item to about optimum or desired performance.
authorized to perform the function listed in column 3.
f. Calibrate. To determine and cause corrections to be
This figure represents the active time required to perform
made or to be adjusted on instruments or test measuring
that maintenance function at the indicated category of
and diagnostic equipment used in precision measurement.
maintenance. If the number or complexity of the tasks
Consists of the comparison of two instruments, one of
within the listed maintenance function vary at different
which is a certified standard of known accuracy, to detect
maintenance categories, appropriate "worktime" figures
and adjust any discrepancy in the accuracy of the instru-
will be shown for each category. The number of task-
ment being compared.
hours specified by the "worktime" figure represents the
g. Install. The act of emplacing, seating, or fixing into
average time required to restore an item (assembly, sub-
position an item, part, module (component or assembly)
assembly, component, module, end item or system) to a
in a reamer to allow the proper functioning of the equip-
serviceable condition under typical field operating condi-
ment system.
tions. This time includes preparation time, troubleshoot-
h. Replace. The act of substituting a serviceable like-
ing time and quality assurance/quality control time in ad-
type part, subassembly, model (component or assembly)
dition to the time required to perform the specific tasks
for an unserviceable counterpart.
identified for the maintenance functions authorized in the
i. Repair. The application of maintenance services (in-
maintenance allocation chart. Subcolumns of column 4
are as follows:
spect, test, service, adjust, align, calibrate, replace) or
other maintenance actions (welding, grinding, riveting,
C-Operator/Crew
straightening, facing, machining, or resurfacing) to
O-Oganizational
restore serviceability to an item by correcting specific
F--Direct Support
damage, fault, malfunction, or failure in a part, subassem-
H-General Support
D-Depot
bly, module/component/assembly, end item or system.
e. Column 5, Tools and Equipment. Column 5 specifies
j. Ouerhaul. That periodic maintenance effort (ser-
B-1
