TM-9-2320-272-24-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4
JUNE 1998
TM-9-2320-272-24-1 - Page 98 of 1015
TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
ITEM TO
ITEM
INTERVAL
CHECK/
PROCEDURE
NO.
SERVICE
NOT FULLY
MISSION
CAPABLE IF:
12 Semi-
Cab com-
f.
Lubricate transfer case shift linkage pins every
annual
ponents
1,000 mi. (1,600 km) or monthly, whichever occurs first.
(Contd)
g.
On M929/A1/A2 and M930/A1/A2 vehicles, lubricate
dump lever and crossshaft every 1,000 mi. (1,600 km) or
monthly, whichever occurs first (LO 9-2320-272-12).
EXPECTED TEMPERATURES
LUBRICANTS
ABOVE 15
o
F
+40
o
F TO -15
o
F
+40
o
F TO -65
o
F
(ABOVE -9
o
C)
(+4
o
C TO -26°C)
(+4
o
C TO -54
o
C)
GAA
All temperatures
Grease, automotive and
artillery (MIL-G-10924)
OE/HDO
OE/HDO 30
OE/HDO 10
Lubricating oil, internal
combustion engine
(MIL-L-2104)
h.
Inspect instrument panel cluster and cab portion of
front wiring harness for frays, splits, missing or damaged
insulation, or poor connections. Repair or replace affected
wiring (para. 3-131).
13 Semi-
Front
a.
Inspect winch for security of mounting, loose or missing
annual
winch
mounting bolts, and broken or missing parts (para. 3-329).
WARNING
l
Wire rope can become frayed or contain broken
wires. Wear heavy leather-palmed work gloves
when handling wire rope. Frayed or broken wires
can injure hands.
l
Never let moving wire rope slide through hands,
even when wearing gloves. A broken wire could
cut through glove and cut hand.
b.
Unwind entire cable, soak and clean with new oil, and
inspect for kinks, frays, and wear. Refer to TM 9-2320-272-10
for operation.
LUBRICANTS
CW
Lubricating oil (VV-L-751)
Oil lubricating, multipurpose
(MIL-L-2105) GO-75
EXPECTED TEMPERATURES
ABOVE
+80
o
F TO +30
o
F
+30
o
F TO -30
o
F
-30’ TO -65
o
+80°F(+27
o
C)
(27°C TO -1
o
C)
(-1°C TO -34°C) (-34
o
TO -54°C)
CW-11C
CW-11B
CW-11A
GO-75
c.
On M936/A1 vehicles, lubricate sheave bearing (1),
swivel fitting (3), trolley wheel (4), and level wind frame (2)
every 3,000 mi. (4,800 km) or 6 months, whichever comes
first. If operation is frequent, continuous, or under severe
conditions, service weekly (LO 9-2320-272-12).
2-10
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