appropriate column in lines with an indicated
3. Explanation of Columns
maintenance operation authorizes that level to perform
the function. The symbol indicates the lowest level of
maintenance responsible for performing the function,
a. Functional Group Number. The functional group
but does not necessarily indicate repair parts stockage
is a numerical group set up on a functional basis. The
at that level.
Higher levels of maintenance are
applicable functional grouping indexes (obtained from
authorized to perform the indicated functions of lower
TB 750-93-1 Functional Grouping Codes) are listed on
levels. The symbol designation for. The various
the MAC in the appropriate numerical sequence. These
maintenance levels are as follows:
indexes normally are set up in accordance with their
function and proximity to each other.
O/C-Operator or Crew
b. Component Assembly Nomenclature.
This
O -Organizational
column contains the functional grouping index heading,
subgroups heading, and a brief description of the part.
DS -Direct Support
c. Essentiality. The essentiality. column reflects
GS -General Support
whether or not an assembly, or repair part, is combat
essential to the tactical use of the end item. The letter E
D -Depot
in this column indicates the Items are combat essential.
d. Maintenance Operations and Maintenance
Levels. This column contains the various maintenance
operations A through J service, adjust, etc. A symbol
indicating the maintenance level placed in the
Section II. MAINTENANCE ALLOCATION CHART
Maintenance
Maintenance
Note
operations
and
levels
ref
Functional Component assembly nomenclature
A
B
C
D
E
F
G
H
I
J
K
L
group No.
FRONT AXLE
Front Axle Assembly ....................... .... ...... ............ ...... ....... ............. ...... .... ........ O
Tongue......................................... .... ...... ............ ...... ....... ............. ...... .... ........ O
O
REAR AXLE
Rear Axle Assembly ........................ .... ...... ............ ...... ....... ............. ...... .... ........ O
WHEELS AND TRACKS
Wheel Assembly.............................. .... ...... ............ ...... ....... ............. ...... .... ........ O
FRAME, TOWING ATTACH-
MENTS, AND DRAWBARS
Frame Assembly .......................... .... ...... ............ ...... ....... ............. ...... .... ........ O
GS
ACCESSORY ITEMS
Accessory Items
Remote control assembly .............
.... ...... ............ ...... ....... ............. ...... .... ........ O
O
Cables..........................................
.... ...... ............ ...... ....... ............. ...... .... ........ O
O
Holder, publication .......................
.... ...... ............ ...... ....... ............. ...... .... ........ O
Data Plates
Plate, data....................................
.... ...... ............ ...... ....... ............. ...... .... ....... DS
Plate, identification .......................
.... ...... ............ ...... ....... ............. ...... .... ........ O
Diagram, wiring:
instruction sheet ..........................
.... ...... ............ ...... ....... ............. ...... .... ...... O/C
AGO 8244A
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