TM 9-4940-421-14
Cose. The tool and test equipment reference code cor-
time, troubleshooting time, and quality
relates with a maintenance function on the identified
assurance/quality control time in addition to the time
end item or component.
required to perform the specific tasks identified for the
b. Column 2, Maintenance Level. The lowest level of
maintenance functions authorized in the maintenance
maintenance authorized to use the tool or test equip-
allocation chart. The symbol designations for the
ment.
various maintenance levels are as follows:
C operator or crew
c. Column 3, Nomenclature. Name or identification
O Organization maintenance
of the tool or test equipment.
F Direct support maintenance
d. Column 4, National/NATO Stock Number. T h e
H General support maintenance
National or NATO stock number of the tool or test
D Depot maintenance
equipment.
e. Column 5, Tools and Equipment. Column 5
e. Column 5, Tool Number. The manufacturer's
specifies, by code, those common tool sets (not in-
part number.
dividual tools) and special tools, test, and support
equipment required to perform the designated func-
C-5. EXPLANATION OF COLUMNS IN SEC-
tion.
TION IV.
f. Column 6, Remarks. This column shall contain a
a. Reference Code. The code scheme recorded in Col-
letter code in alphabetic order which shall be keyed to
umn 1, Section III.
the remarks contained in Section IV.
b. Remarks. This column lists information pertinent
C-4. COLUMN ENTRIES USED IN TOOLS AND
to the maintenance function being performed as indi-
TEST EQUIPMENT REQUIREMENTS.
cated on the MAC Section II.
a. Column 1, Tool or Test Equipment Reference
Section II. MAINTENANCE ALLOCATION CHART
(1)
(2)
(3)
(4)
(5)
(6)
Maintenance level
Group
Maintenance
Tools and
C
O
F
H
D
Number
Component/Assembly
function
equipment
Remarks
01
ENGINE
0.1
Inspect
ENGINE ASSEMBLY
0100
Test
0.1
0.3
Service
Replace
2.2
1.3
Repair
Overhaul
12.0
CRANKCASE, CYLINDER BLOCK
0101
Inspect
Cylinder Head
0.2
Replace
0.5
Cylinder Block
Inspect
0.2
Replace
0.7
Inspect
Manifold
0.2
Replace
0.5
0102
CRANKSHAFT
CRANKSHAFT ASSEMBLY
Replace
1.9
Repair
0.5
Inspect
Pistons and Rods
0.4
0.8
Replace
Inspect
Flywheel Assembly
0.2
Replace
1.0
Repair
0.9
Inspect
Camshaft
0.6
Replace
1.2
Repair
0.8
Valves and
Inspect
0.6
Timing Gear
1.2
Adjust
Train
Replace
0.8
ENGINE LUBRICATION SYSTEM
0103
0.1
Service
Filter, Oil
Replace
0.2
Pan, Oil
Inspect
0.1
Replace
1.5
Inspect
Pump, Oil
0.2
1.0
Replace
C-2
