TM-9-2320-272-10

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; OPERATOR'S MANUAL

SEPTEMBER 2004
CHANGE 2

  TM-9-2320-272-10 - Page 154 of 481

2-55
ITEM
NO.
INTERVAL
ITEM TO
CHECK/
SERVICE
NOT FULLY
MISSION
CAPABLE IF:
TM 9-2320-272-10
LOCATION
CREWMEMBER
PROCEDURE
Table 2-3. Preventive Maintenance Checks and Services for Models M939/A1/A2 (Contd).
24
(contd)
After
Cooling
System
(contd)
c.
On M939A2 series vehicles
check air aftercooler for coolant
leakage.
d.
Check for cracking, fraying,
obvious looseness, and breaks on
alternator (3), fan (1), and power
steering pump (2) drivebelts used
on M939/A1 series vehicles, or ser-
pentine drivebelt (4) used on
M939A2 series vehicles.
c.
Any class III
coolant leak is evi-
dent.
d.
Any drivebelt
is missing, broken,
cracked to the belt
fiber, has more
than one crack 1/8
in. (.32 cm) in depth
or 50% of belt thick-
ness, or has frays
more than 2 in.
(5.1 cm) long.
M939A2 SERIES
M939/A1 SERIES


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