TM 9-4931-436-14&P
troubleshooting time, and quality
of maintenance performed by the Army.
assurance/quality control time, in addi-
Overhaul does not normally return an
tion to the time required to perform the
item to like new condition.
specific tasks identified for the mainte-
k . Rebuild. Consists of those
nance functions authorized in the mainte-
services/actions necessary for the
nance allocation chart. The symbol
restoration of unserviceable equipment
designations for the various maintenance
to a like new condition in accordance
categories are as follows:
with original manufacturing standards.
Rebuild is the highest degree of mate-
C
.
.
. . . . . . Operator or crew.
riel maintenance applied to Army equip-
. Organizational maintenance.
ment. The rebuild operation includes
O
.
.
. Direct support maintenance.
the act of returning to zero those age
F
.
.
measurements (hours/miles, etc.) con-
General support maintenance.
H
.
.
. . . . . Depot maintenance.
sidered in classifying Army equipments/
D
.
.
components.
e. Column 5, Tools and Equipment.
Column 5 specifies, by code, those com-
Explanation of Columns in the MAC,
B-3.
mon tool sets (not individual tools) and
Section II
special tools, TMDE, and support equip-
ment required to perform the designated
a. Column 1, Group Number. Column 1
lists functional group code numbers, the
function.
purpose of which is to identify compo-
f. Column 6, Remarks. This column,
nents, assemblies, subassemblies, and
when applicable, contains a letter code,
modules with the next higher assembly.
in alphabetic order, which is keyed to
the remarks contained in section IV.
b. Column 2, Component/Assembly.
Column 2 contains the names of compo-
B-4.
Explanation of Columns in Tool and
nents, assemblies, subassemblies, and
Test Equipment Requirements,
modules for which maintenance is
Section III
authorized.
c. Column 3, Maintenance Function.
a. Column 1. Reference Code. The
Column 3 lists the functions to be per-
tool and test equipment reference code
formed on the item listed in Column 2.
correlates with a code used in the MAC,
(For detailed explanation of these func-
section II, column 5.
tions, see paragraph B-2.)
b. Column 2, Maintenance Category.
d . Column 4, Maintenance Category.
The lowest category of maintenance au-
Column 4 specifies, by the listing of a
thorized to use the tool or test
work time figure in the appropriate sub-
equipment.
c. Column 3, Nomenclature. Name or
column(s), the category of maintenance
identification of the tool or test
authorized to perform the function listed
equipment.
in Column 3. This figure represents the
d. Column 4, National Stock Number.
active time required to perform that
The National stock number of the tool or
maintenance function at the indicated
test equipment.
category of maintenance. If the number
e . Column 5, Tool Number. The manu-
or complexity of the tasks within the
facturer's part number.
listed maintenance function vary at
different maintenance categories, ap-
Explanation of Columns in Remarks,
B-5.
propriate work time figures will be
Section IV
shown for each category. The work time
a. Column 1, Reference Code. The
figure represents the average time re-
code recorded in column 6, section II.
quired to restore an item (assembly,
b. Column 2, Remarks. This column
subassembly, component, module, end item,
lists information pertinent to the main-
or system) to a serviceable condition
tenance function being performed as
under typical field operating conditions.
indicated in the MAC, section II.
This time includes preparation time,
B-3
