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 97 of 1015
TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
ITEM TO
ITEM
INTERVAL
CHECK/
NOT FULLY
PROCEDURE
MISSION
NO.
SERVICE
CAPABLE IF:
12 Semi-
Cab com-
a.
Open access door in floor of cab. Lubricate access
annual
ponents
door hinge every 1,000 mi. (1,600 km) or monthly,
(Contd)
whichever occurs first.
EXPECTED TEMPERATURES
LUBRICANTS
ABOVE 15
o
F
+40
o
F TO -15°F
+40
o
F TO -65
o
F
(ABOVE -9
o
C)
(+4
o
C TO -26
o
C)
(+4
o
C TO -54°C)
OE/HDO
OE/HDO 30
OE/HDO 10
Lubricating oil, internal
combustion engine
(MIL-L-2104)
OEA
OEA
Lubricating oil, internal
combustion engine (arctic)
(MIL-L-46167)
b.
Inspect transmission dipstick and oil:
1.
Check for evidence of metal particles. Notify
your supervisor if metal particles are found.
2.
Check for evidence of dilution from coolant. If oil
is diluted by coolant, refer to para. 2-21, mechanical
troubleshooting.
3.
Check oil level in transmission. If oil levels are
excessive, drain the excess (para. 3-133).
c.
Inspect transmission temperature sending unit for
security of mounting and wiring for frays, splits, breaks,
and missing insulation.
d.
On vehicles with winch, lubricate winch and Power
Takeoff (PTO) control levers every 1,000 mi. (1,600 km) or
monthly, whichever occurs first.
e.
Lubricate power brake treadle with 3-4 drops of
oil every 1,000 mi. (1,600 km) or monthly, whichever
occurs first.
LUBRICANTS
OE/HDO
Lubricating oil, internal
combustion engine
(MIL-L-2104)
OEA
Lubricating oil, internal
combustion engine (arctic)
(MIL-L-46167)
EXPECTED TEMPERATURES
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)
OE/HDO 30
OE/HDO 10
OEA
2-9
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