TM 11-7010-201-12/ET821-AA-OMl-010/E154 MTS/TO 31S5-2TSQ73-1
j. Overhaul. That maintenance effort (service/
time required to perform the specific tasks
action) necessary to restore an item to a completely
identified for the maintenance functions authorized
serviceable/operational condition as prescribed by
in the maintenance allocation chart. Subcolumns of
maintenance standards (i.e., DMWR) in appropriate
Column 4 are as follows:
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.
General Support (L Specialized
k. Rebuild. Consists of those services/actions
necessary for the restoration of unserviceable
equipment to a like new condition in accordance
e. Column 5, Tools and Equipment. Column 5
with original manufacturing standards. Rebuild is
specifies, by code, those common tool sets (not
the highest degree of materiel maintenance applied
individual tools), and special tools, test, and support
to Army equipment. The rebuild operation includes
equipment required to perform the designated
the act of' returning to zero those age
measurements (hours, miles, etc.) considered in
f. Column 6, Remarks. Column 6 contains an
classifying Army equipments/components.
alphabetic code which leads to the remark in
Section IV, Remarks, which is pertinent to the item
B-4. Column Entries.
opposite the particular code.
a. Column 1, Group Number. Column 1 lists
group numbers, the purpose of which is to identify
B-5. Tool and Test Equipment Requirements
components, assemblies, subassemblies, and
modules with the next higher assembly.
a. Tool or Test Equipment Reference
b. Column 2, Component/Assembly. Column 2
Code. The numbers in this column coincide with
contains the noun names of components,
the numbers used in the tools and equipment
assemblies, subassemblies, and modules for which
column of the MAC. The numbers indicate the
maintenance is authorized.
applicable tool or test equipment for the
c. Column 3, Maintenance Functions. Column 3
lists the functions to be performed on the item
b. Maintenance Category. The codes in this
listed in Column 2. When items are listed without
column indicate the maintenance category allocated
maintenance functions, it is solely for the purpose
the tool or test equipment.
of having the group numbers in the MAC and
c. Nomenclature. This column lists the noun
name and nomenclature of the tools and test
d. Column 4, Maintenance Category. Column 4
equipment required to perform the maintenance
specifies by the listing of a "worktime" figure in the
appropriate subcolumn(s), the lowest level of
Stock Number. This column
maintenance authorized to perform the function
lists the National/NATO stock number of the
listed in Column 3. This figure represents the active
specific tool or test equipment.
time required to perform that maintenance. If the
e. Tool Number. This column lists the
number or complexity of the tasks within the listed
manufacturer's part number of the tool followed by
maintenance function vary at different maintenance
the Federal Supply Code for manufacturers
categories, appropriate "worktime" figures will be
(5-digit) in parentheses.
shown for each category. The number of task-hours
specified by the "worktime" figure represents the
B-6. Remarks (Section IV).
average time required to restore an item (assembly,
a. Reference Code. This code refers to the
subassembly, component, module, end item or
appropriate item in Section II, Column 6.
system) to a serviceable condition under typical field
b. Remarks. This column provides the required
operating conditions. This time includes
preparation time, troubleshooting time, and quality
explanatory information necessary to clarify items
appearing in Section II.
assurance/quality control time in addition to the