TM 9-1375-213-12
MAINTENANCE ALLOCATION CHART
INTRODUCTION
Section 1.
C-1. General
(4) Touch-up. To spot paint scratched or
a. The Maintenance Allocation Chart designates
blistered surfaces.
responsibility for the performance of mainte-
(5) Mark. To restore obliterated identifica-
nance functions.
tion.
b. Only the lowest level of maintenance author-
d. Install. To emplace, seat, or fix into position
ized to perform a maintenance function is indi-
an item in a manner to allow the proper function-
cated.
ing of the equipment.
e. Adjust. To maintain within prescribed limits
e. A maintenance function assigned a mainte-
by bringing into proper or exact position, or by
nance level will automatically be authorized to be
performed at any higher maintenance level.
setting the operating characteristics to the speci-
fied parameters.
d. A maintenance function that cannot be per-
f. Renovate. To restore item to serviceable con-
formed at the assigned level of maintenance for
dition.
any reason may be evacuated to the next higher
(1) Paint. To repaint the entire item.
maintenance organization. Higher maintenance
(2) Repair. To restore serviceability to an
levels will perform the maintenance functions of
item by correcting specific damage, fault, mal-
lower maintenance levels when required or di-
function, or failure through the application of
rected by the appropriate commander.
maintenance services or other maintenance
actions.
C-2. Maintenance Functions
(3) Replace. To substitute a serviceable com-
The implementation of maintenance tasks will be
ponent in a manner to allow the proper function-
consistent with the assigned maintenance in
ing of equipment.
accordance with the following definitions.
a. Inspect. TO determine the serviceability of an
C-3. Explanation of Format
item by comparing its physical, mechanical and/
a. Group Number. Column 1 lists the group
or electrical characteristics with established
numbers, the purpose of which is to identify com-
standards through examination.
ponents and assemblies with the next higher as-
b. Test. To verify serviceability and to detect
sembly.
incipient failure by measuring the mechanical or
b. Functional Group. Column 2 lists the item
electrical characteristics of an item and compar-
names of parts and assemblies on which mainte-
ing those characteristics with prescribed stand-
nance is authorized.
ards.
c. Maintenance Function. Column 3 lists the
c. Service. Operations required periodically to
twelve maintenance functions defined in C-2
keep an item in proper operating condition.
above. Capital letters are inserted under appro-
(1) Unpack. To remove item from packing
priate maintenance functions, on line with each
box for service or when required for the perform-
functional group, to indicate the lowest level of
ance of other maintenance operations.
maintenance authorized to perform that function.
(2) Repack. To return item to packing box
Symbols used and the maintenance category each
after service and other maintenance operations.
represents are as follows: