TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 367 of 1417
Table
1.
Field Preventive Maintenance Checks and Services - Continued.
ITEM
NO.
INTERVAL
ITEM TO BE
CHECKED OR
SERVICED
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE IF:
31
Semiannual
Transmission
and Transfer
Case
WARNING
•
If transmission oil temperature is above
220°F (104°C), allow transmission oil to
cool before removing dipstick. Failure to
comply may result in injury or death to
personnel.
•
Accidental or intentional introduction of
liquid contaminants into the environment
is in violation of state, federal, and
military regulations. Refer to local Unit
SOP for information concerning storage,
use, and disposal of these liquids.
Failure to comply may result in injury or
death to personnel.
CAUTION
•
Do not remove transmission dipstick
before cleaning dirt away from
access plate, filler tube, and dipstick.
Dirt may enter and damage
transmission.
•
Do not overfill transmission. Internal
transmission component damage
will result.
•
Change transmission oil when
contamination by fuel, water, or other
foreign materials is evident. Failure
to do so may result in failure of
internal transmission components.
NOTE
Change transmission oil every 24,000 mi
(38,000 km) or 24 months, whichever occurs
first.
a.
On M939A2 series vehicles, 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 by coolant. If oil
is diluted, by coolant, refer to: mechanical
troubleshooting.
TM 9-2320-272-23-2
0207
0207-32
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