d. Tool Number.
This column lists the
C-3.
Explanation of Columns in Section II
manufacturer's code and part number, or Federal Stock
a. Reference Code. This column consists of a
Number of tools and test equipment.
number and a letter separated by a dash. The number
C-4.
Explanation of Columns in Section IV
references the T&TE requirements column on the
a. Reference Code. This column consists of two
Maintenance Allocation Chart. The letter represents the
specific maintenance function the item is to be used
letters separated by a dash, both of which are
with. The letter is representative of columns A through
references to Section II. The first letter references
K on the MAC.
column 5 and the second letter references a
b. Maintenance Category. This column shows the
maintenance function, column 3, A through K.
b. Remarks.
This column lists information
lowest level of maintenance authorized to use the
special tool or test equipment.
pertinent to the maintenance function being performed,
c. Nomenclature. This column lists the name or
as indicated on the MAC, Section II.
identification of the tool or test equipment.
Section II. MAINTENANCE ALLOCATION CHART
(1)
(2)
(3)
(4)
(5)
Functional Group
Maintenance functions
Tools and
Remarks
equipment
A
B
C
D
E
F
G
H
I
JK
01
ENGINE
0100
Engine Assembly (687C-18-ES) .................
C
F
C
...
..
..
.. H
O
H
D
..................
A
Engine Assembly (D333TA) .......................
C
F
C
...
..
..
.. F
O
H
D
0101
Crankshaft, Block Cylinder Head
Crankcase assembly .............................
O
....
.... ...
..
..
.. H
H
....
.. 1, 2 ,3, & 4
Head and valve assembly
(D333TA)
.... ....
.... ...
..
..
.. H
F
....
.. 5
Head and valve assembly
(687C-18-ES)
.... ....
.... ...
..
..
.. H
H
0102
Crankshaft
Cover assembly ...................................
..
...
....
...
..
..
..
F
F
Crankshaft assembly ............................
..
...
..
...
..
..
..
H
D
..
.. 6 ................
B
Damper assembly .................................
..
...
..
...
..
..
..
F
F
0103
Flywheel Assembly (D333TA).....................
..
...
..
...
..
..
..
H
H
..
.. ..................
C
Flywheel Assembly (687C-18-ES) ..............
..
...
..
...
..
..
..
F
F
0104
Pistons, Connecting Rods ..........................
H
...
..
...
..
..
..
H
H
..
.. 7, 8
0105
Valves, Camshaft, and Timing
System.
Arm assembly, rocker ...........................
..
...
..
O
..
..
..
F
F
Cover assembly, cam pocket ................
..
...
..
...
..
..
..
F
F
Cover assembly, valve gear ..................
O.
...
..
...
..
..
..
O
Camshaft assembly ..............................
H
...
..
...
..
..
..
H
H
..
.. 10
Valves, seats (687C-18-ES) ..................
H
...
..
...
..
..
..
H
H
..
.. 9 ................
D
Valves, seats (D333TA) ........................
F
...
..
...
..
..
..
F
F
0106
Engine Lubrication System Cooler,
oil (D333TA). ........................................
O
...
..
...
..
..
..
F
Filter assembly, oil ................................
..
...
C
...
..
..
..
O
O
Pan, oil (687C-18-ES) ...........................
..
...
..
...
..
..
..
H
H
Pan, oil (D333TA) .................................
..
...
..
...
..
..
..
F
H
Pump, oil ..............................................
H
...
..
...
..
..
..
H
H
Strainer, oil pump .................................
..
...
H.
...
..
..
..
H
Strainer, lube oil....................................
..
...
C.
...
..
..
..
O
0108
O.
...
..
...
..
..
..
O
0109
Accessory Driving Mechanisms
(687C-18-ES)........................................
..
...
.. ...
..
..
.. H
H
Accessory Driving Mechanisms
(D333TA). .............................................
..
...
.. ...
..
..
.. F
F
C-2
