TM 9-2320-272-24-1
Table 2-1. Unit Preventive Maintenance Checks and Services (Contd).
ITEM TO
NOT FULLY
MISSION
ITEM INTERVAL
CHECK/
PROCEDURE
NO.
CAPABLE IF:
SERVICE
11 Semi-
h. Lubricate hinges on battery box cover and map
Batteries
compartment every 1,000 mi. (1,600 km) or monthly,
annual (Contd)
whichever occurs first.
EXPECTED TEMPERATURES
+40oF TO - 15F
+40oF TO -65oF
ABOVE 15F
(ABOVE -9oC)
(+4oC TO -26oC)
(+4oC TO -54oC)
OE/HDO 30
OE/HDO 10
OE/HDO
Lubricating oil, internal
combustion engine
(MIL-L-2104)
OEA
OEA
Lubricating oil, internal
combustion engine (arctic)
(MIL-L-46167)
i. Inspect battery box cover and map compartment cover
and seals on both for condition and security of installation.
Replace seal(s) on battery box cover and/or map
compartment cover if damaged (para. 3-123).
12 Semi-
Cab com-
WARNING
annual
ponents
If transmission oil temperature is above 220F (104oC),
allow transmission oil to cool before removing dipstick.
CAUTION
Do not remove transmission dipstick before
l
cleaning dirt away from access plate, filler tube,
and dipstick. Dirt may enter and damage
transmission.
Do not overfill transmission. Internal
l
transmission component damage will result.
Change transmission oil when contamination by
l
fuel, water, and other foreign materials is evident.
Failure to do so may result in failure of internal
transmission components.
Shut off engine if transmission oil temperature
l
exceeds 300F (149C). Continuing to operate
transmission under these conditions may result in
failure of internal transmission components.
NOTE
Steps a. through c. apply to M939/A1 series vehicles
only. Transmission dipstick and temperature sending
unit cannot be accessed through cab floor on M939A2
series vehicles.
2-8
