TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
NOT FULLY
ITEM TO
MISSION
ITEM
INTERVAL
CHECK/
PROCEDURE
SERVICE
CAPABLE IF:
NO.
16
Semi-
Engine
WARNING
annual
lubrication
system and
Accidental or intentional introduction of liquid
oil lines
contaminants into the environment is in violation of
(Contd)
state, federal, and military regulations. Refer to
Army POL (para. 1-8) for information concerning
storage, use, and disposal of these liquids. Failure to
do so may result in injury or death.
NOTE
Sample oil every 60 days or 1,000 mi. (1,600 km),
whichever occurs first. Army Reserve units will
sample oil every 120 days or 1,000 mi. (1,600 km).
When AOAP laboratory support is not available,
change engine oil every 6,000 mi. (9,600 km) or
6 months, whichever occurs first.
Engine AOAP sampling valve on M939/A1 series
vehicles is located on right side of engine attached
to oil cooler, On M939A2 series vehicles, valve is
located near starter on left side of engine.
e. Collect engine oil sample (para. 3-10) or change oil
[RPL]
(para. 3-5) as required.
EXPECTED TEMPERATURES
+40F TO -65F
+40F TO -15F
ABOVE 15F
(+4C TO -26C) (+4C TO -54C)
(ABOVE -9C)
OE/HDO 10
OE/HDO 30
OE/HDO
Lubricating oil, internal
combustion engine
(MIL-L-2104)
OEA
OEA
Lubricating oil, internal
combustion engine (arctic)
(MIL-L-46167)
f. Inspect valve cover(s) and gasket(s) for evidence of
leaks. Notify DS maintenance if leak(s) are detected.
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