TM 5-6350-264-14&P-3
NAVELEX EE 181-AA-OMI-040/E121 R1860 M9443
TO 31S9-2FSS9-1-3
listed in column 3. This figure represents the active time
j.Overhaul. That maintenance effort (service/ actions)
necessary to restore an item to a completely
required to perform the maintenance function at the
serviceable/operational condition as prescribed by
indicated level of maintenance. If the number or
maintenance standards (i.e., DMWR) in appropriate
complexity of the tasks within the listed maintenance
technical publications. Overhaul is normally the highest
function varies at different maintenance levels,
degree of maintenance performed by the Army.
appropriate "work time "figures will be shown for each
Overhaul does not normally return an item to like new
level. The number of man-hours specified by the "work
condition.
time" figure represents the average time required to
restore an item (assembly, subassembly, component,
k.Rebuild.
Consists of those services/actions
module, end item, or system) to a serviceable condition
necessary for the restoration of unserviceable equipment
under typical field operating conditions.
This time
to a like new condition in accordance with original
includes preparation time, troubleshooting time, and
manufacturing standards. Rebuild is the highest degree
quality assurance/quality control time in addition to the
of materiel maintenance applied to Army equipment.
time required to perform the specific tasks identified for
The rebuild operation includes the act of returning to
the maintenance functions authorized in the
zero those age measurements (hours/miles, etc.)
maintenance allocation chart. The symbol designations
considered in classifying Army equipments/components.
for the various maintenance levels are as follows:
C .............................................. Operator or crew
B3. COLUMN ENTRIES.
O ............................... Organization maintenance
a. Column 1, Group Number. Column 1 lists group
numbers, the purpose of which is to identify components,
F..............................Direct support maintenance
assemblies, subassemblies, and modules with the next
higher assembly.
H ......................... General support maintenance
b. Column 2, Component/Assembly.
Column 2
D ..........................................Depot maintenance
contains .the names of components, assemblies,
subassemblies, and modules for which maintenance is
e. Column 5, Tools and Equipment.
Column 5
authorized.
specifies, by code, those common tool sets (not
individual tools) and special tools, test, and support
c.Column 3, Maintenance Function. Column 3 lists the
equipment required to perform the designated function.
functions to be performed on the item listed in 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
