specific maintenance function the item is to be used
with. The letter is representative of columns A through
a. Reference Code. This column consists of two
K on the MAC.
letters separated by a dash, both of which are
b. Maintenance Category. This column shows the
references to Section II. The first letter references
lowest level of maintenance authorized to use the
column 5 and the second letter references a main,
special tool or test equipment.
tenance function, column 3, A through K.
c. Nomenclature. This column lists the name or
b. Remarks.
This column lists information
identification of the tool or test equipment.
pertinent to the-maintenance function being performed,
as indicated on the MAC, Section II.
d. Tool Number.
This column lists the
manufacturer's code and part number, or Federal:
Stock Number of tools and test equipment.
C-4-. Explanation of Columns in Section IV
Section II. MAINTENANCE ALLOCATION CHART
(1)
(2)
(3)
(4)
(5)
G
Functional Group
Maintenance functions
Tools and
Remarks
R
equipment
O
A
B
C
D
E
F
G
H
I
J
K
U
C
P
A
O
I
S
L
I
R
V
R
N
N
E
A
I
N
E
R
E
E
U
S
R
D
A
B
S
P
E
R
B
M
P
T
V
J
L
R
T
L
P
H
U
B
E
E
I
U
I
A
A
A
A
A
I
E
C
S
C
S
G
T
L
C
I
U
L
R
T
T
E
T
N
E
L
E
R
L
D
01
ENGINE
0100
Engine Assembly (687C-18-ES)
C
F
C -----------------------------H
O
H
D -------------------------------------------- A
Engine Assembly (D383TA) ------------
C
F
C--------------------------------F
O
H
D
0101
Crankcase, Block Cylinder Head
Crankcase assembly
O-----------------------------------------------H
H---------------------
1,2,3,
&4
Head and valve assembly
(D3S3TA)------------------------------------------------------------------------------------ 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-
18ES)--------------------------------------------------------------------------------------------- F
F
0104
Pistons, Connecting Rods .------------------H------------------------------------------------ H
H ---------------------------
7, 8
0106
Valves, Camshaft, and Timing
System
Arm assembly, rocker--------------------------------------------
O--------------------- F
F
Cover assembly, cam pocket ---------------------------------------------------------------FF
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 (DS38TA)---------------------
0----------------------------------------------- F
Filter assembly, oil----------------------------------------
C-------------------------------O
O
Pan, oil (687C-18-ES)----------------------------------------------------------------------- -H
H
Pan, oil (D338TA)----------------------------------------------------------------------------- .F
H
Pump, oil---------------------------------------H-------------------------------------------------H
H
Strainer, oil pump-
H
H
Strainer, lube oil---------------------------------
C-------------------------------------- O
0108
Manifolds, exhaust------------------------
O------------------------------------------------O
0109
Accessory Driving Mechanisms
(687C-18-ES) ----------------------------- -----------------------------------------------------H
H
Accessory Driving Mechanisms
(D333TA)-----------------------------------------------------------------------------------------FF
C-2
