COLUMN ENTRIES - TM-5-6350-264-14-P-110087

TM 5-6350-264-14&P-11

NAVELEX EE 181-AA-OMI-120/E121 C-7359-60-1

T.O. 31S9-2FSS9-1-11

Overhaul. That maintenance effort (service/actions) necessary to restore an item to a completely

serviceable/operational condition as prescribed by maintenance standards (i.e., DMWR) in appropriate technical

publications. Overhaul is normally the highest degree of maintenance performed by the Army.

Overhaul does not

normally return an item to like new condition.

Rebuild. Consists of those services/actions necessary for the restoration of unserviceable equipment to a like

new condition in accordance with original manufacturing standards. Rebuild is the highest degree of materiel

maintenance applied to Army equipment. The rebuild operation includes the act of returning to zero those age

measurements (hours/miles, etc.) considered in classifying Army equipments/components.

B-3. COLUMN ENTRIES.

Column 1, Group Number. Column 1 lists group numbers, the purpose of which is to identify components,

assemblies, subassemblies, and modules with the next higher assembly.

Column 2, Component/Assembly. Column 2 contains the names of components, assemblies, subassemblies,

and modules for which maintenance is authorized.

Column 3, Maintenance Function. Column 3 lists the functions to be performed on the item listed in column

Column 4, Maintenance Level. Column 4 specifies, by the listing of a "work time" figure in the appropriate

subcolumn(s), the lowest level of maintenance authorized to perform the function listed in column 3. This figure

represents the active time required to perform the maintenance function at the indicated level of maintenance. If the

number or complexity of the tasks within the listed maintenance function varies at different maintenance levels,

appropriate "work time" figures will be shown for each level. The number of man-hours specified by the "work time"

figure represents the average time required to restore an item (assembly, subassembly, component, module, end item,

or system) to a serviceable condition under typical field operating conditions. This time includes preparation time,

troubleshooting time, and quality assurance/quality control time in addition to the time required to perform the specific

tasks identified for the maintenance functions authorized in the maintenance allocation chart. The symbol designations

for the various maintenance levels are as follows:

C................................. Operator or crew

O ................................ Organization maintenance

F ................................. Direct support maintenance

H................................. General support maintenance

D................................. Depot maintenance

Column 5, Tools and Equipment. Column 5 specifies, by code, those common tool sets (not individual tools)

and special tools, test, and sup- port equipment required to perform the designated function.

Column 6, Remarks. Column 6 contains an alphabetic code which leads to the remark in section IV,

Remarks, which is pertinent to the item opposite the particular code.

B-2