TM-9-2320-386-24-1-1
2-1/2-TON, 6X6, M44A3 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; EXTENDED SERVICE PROGRAM (ESP); UNIT, DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL; VOLUME 1 OF 2
MAY 2001
TM-9-2320-386-24-1-1 - Page 177 of 1078
TM 9-2320-386-24-1-1
0025 00
0025 00-8
ITEM
NO.
INTERVAL
ITEM TO
CHECK/
SERVICE
EQUIPMENT NOT
READY/AVAILABLE
IF:
PROCEDURE
Table 1. Unit Preventive Maintenance Checks and Services (Contd).
15
Semiannually
Cooling
e.
Inspect fan (2) for cracks and missing
e.
Fan is cracked,
(Contd)
system
or loose rivets and screws. Replace fan (2)
broken, or loose.
if defective (WP 0082 00).
f.
Inspect water pump (1) for cracks,
f.
Water pump is
leaks, and loose condition. If loose, tighten. broken, cracked,
If broken, cracked, or leaking, replace
leaking, or loose.
(WP 0080 00).
16
Semiannually
Engine
a.
Inspect fan drivebelt (4) and water
a.
Drivebelt(s) is
drivebelts
pump drivebelt (5) for wear and cracking.
worn or cracked.
Replace belt(s) if necessary (WP 0081 00 or Serpentine belt is
WP 0084 00).
missing or broken
Belt fiber has more
than one crack 1/8 in.
(3.2 mm) in depth or
50% or frays more
than 2 in. (5.1 cm)
long
b.
Check and adjust water pump
drivebelt tension (WP 0081 00).
c.
Inspect engine drivebelt tensioner for
c.
Engine drivebelt
unusual noise or wobbly pulley bearings.
tensioner is noisy or
Replace engine drivebelt tensioner (3) if
wobbly.
noisy or wobbly (WP 0087 00).
17
Semiannually
Alternator
a.
Inspect alternator (6) for secure
and alter-
mounting.
nator
b.
Inspect alternator wiring for burned
b.
Wiring insulation
wiring
or frayed wires and loose or broken term-
is missing, frayed,
inal connections. If loose, tighten. If burned, or split; or poor
frayed, or broken, replace or repair wiring
connections are
(WP 0125 00).
evident.
18
Semiannually
Starter and
a.
Inspect starter for security. If loose,
starter
tighten mounting screws to 55 lb-ft
wiring
(75 N
•
m).
b.
Inspect starter wiring for missing,
b.
Wiring insulation
frayed, split, or poor connections. If
is missing, frayed,
corrosion is present, clean. If connections
or split; or poor
are loose, tighten. If damaged, repair
connections evident.
(WP 0125 00).
1
6
5
4
2
~
3
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