TM 5-5420 -202-20-4
Column 3. Maintenance Functions.
and restore serviceability to an item by
Column 3 lists the functions to be
specific
damage,
fault,
correcting
performed on the item listed in column 2.
m a l f u n c t i o n , or failure in a part,
(For detailed explanation of these functions,
module
(component or
subassembly,
see para B-2.)
assembly), end item, or system.
j.
d. Column 4. Maintenance Level.
T h a t maintenance
Overhaul.
effort (services/actions) necessary to
T h i s column specifies the average total
a completely
item
to
restore an
manhours required to do the job. For example,
serviceable/operational
condition as
-
it it takes two people five hours to complete the
prescribed by maintenance standards (i.e.,
job, the figure would be ten (manhours). This
appropriate
technical
DMWR)
in
figure represents the time required to perform
publications.
Overhaul is normally the
the job at the lowest indicated category of
highest degree of maintenance performed
mainentance and restore the item to a serviceable
by the Army. Overhaul does not normally
includes
disassembly,
condition.
It
return an item to like new condition.
Consists of those
and
k. Rebuild.
assurance
quality
troubleshooting,
for
services/actions
necessary
the
assembly. The symbol designations for the
restoration of unserviceable equipment to
various maintenance levels are as follows:
a like new condition in accordance with
original manufacturing standards. Rebuild
Operator or crew
............
C
is the highest d e g r e e o f materiel
Organization maintenance
........
O
maintenance applied to Army equipment.
Direct support maintenance
...
....
F
The rebuild operation includes the act of
...
. . . . General support maintenance
H
return ing to zero those age measurements
5
...
. . Specialized repair activity (SRA)
L
(hours/miles, etc.) considered in classifying
Depot maintenance
..
..... . . . .
D
Army equipments/components.
A # symbol after the manhour figure identifies
B-3. Explanation of Columns in the MAC,
a maintenance function performed on
Section II.
Hydraulic/Electrical Upgraded (HEU) vehicles.
Group Number.
a. C o l u m n 1.
Column 1 lists group numbers, the purpose
of which is to identify components,
assemblies, subassemblies, a n d modules
with the next higher assembly.
b. Column 2. Component/Assembly.
2 c o n t a i n s the
names of
Column
components, assemblies, subassemblies,
a n d modules for which maintenance is
authorized.
5 This maintenance category is n o t included in Section II, column (4) of the
Maintenance Allocation Chart. To identify functions to this category of maintenance, enter a
work time figure in the "H" column of Section II, column (4), and use an associated reference
code in the Remarks column (6). Key the code to Section IV, Remarks, and explain the SRA
complete repair application there. The explanatory remark(s) shall reference the specific
Repair Parts and Special Tools List (RPSTL) TM which contains additional SRA criteria and
the authorized spare/repair parts.
-2 Change