TM5-6350-264-14&P-6
NAVELEX EE181-AA-OMI-1/E121 DT-545
TO 31S9-2FSS9-1-6
is normally the highest degree of maintenance performed
listed in column 3. This figure represents the active time
by the Army. Overhaul does not normally return an item
required to perform the maintenance function at the
to like new condition.
indicated level of maintenance. If the number of
complexity of the tasks within the listed maintenance
k. Rebuild.
Consists of those services/actions
function varies at different maintenance levels,
necessary for the restoration of unserviceable equipment
appropriate "work time" figures will be shown for each
to a like new condition in accordance with original
level. The number of man-hours specified by the "work
manufacturing standards. Rebuild is the highest degree
time" figure represents the average time required to
of materiel maintenance applied to Army equipment.
restore an item (assembly, subassembly, component,
The rebuild operation includes the act of returning to
module, end time, or system) to a serviceable condition
zero those age measurements (hours/miles, etc.)
under typical field operating conditions.
This time
considered in classifying Army equipments/com-ponents.
includes preparation time, troubleshooting time, and
quality assurance/quality control time in addition to the
time required to perform the specific tasks identified for
B-3. COLUMN ENTRIES.
the maintenance functions authorized in the
maintenance allocation chart. The symbol designations
a. Column 1, Group Number. Column 1 lists group
for the various maintenance levels are as follows:
numbers, the purpose of which is to identify components,
assemblies, subassemblies, and modules with the next
C............................................................. Operator or crew
higher assembly.
0 .............................................. Organization maintenance
F ............................................ Direct support maintenance
b. Column 2, Component/Assembly. Column 2
H.........................................General support maintenance
contains the names of components, assemblies,
D......................................................... Depot maintenance
subassemblies, and modules for which maintenance
is authorized.
e. Column 5, Tools and Equipment.
Column 5
specifies, by code, those common tool sets (not
c. Column 3, Maintenance Function. Column 3 lists
individual tools) and special tools, test, and support
the functions to be performed on the item listed in
equipment required to perform the designated function.
column 2.
f. Column 6, Remarks.
Column 6 contains an
d. Column 4, Maintenance Level. Column 4 specifies,
alphabetic code which leads to the remark in section IV,
by the listing of a "work time" figure in the appropriate
Remarks, which is pertinent to the item opposite the
subcolumn (s), the lowest level of maintenance
particular code.
authorized
to
perform
the
function
B-2
