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 189 of 481
2-88
Table 2-3. Preventive Maintenance Checks and Services for Models M939/A1/A2 (Contd).
ITEM
NO.
INTERVAL
ITEM TO
CHECK/
SERVICE
CREWMEMBER
PROCEDURE
NOT FULLY
MISSION
CAPABLE IF:
TM 9-2320-272-10
LOCATION
65
66
67
68
69
Weekly
Weekly
Weekly
Weekly
Weekly
Under-
body
Frame
Differ-
entials
Tow
Pintle
Van
Body
Exterior
Wrecker
Crane
DRIVER
Visually inspect frame side rails,
crossmembers, and underbody sup-
ports for broken bolts, cracks,
breaks, broken welds, rivets, and
rusted-through conditions.
DRIVER
Visually inspect rear differentials
for oil leaks (para. 2-9).
DRIVER
Check for presence and condition.
Ensure safety pin and chain are
present.
DRIVER
a.
Check for condition and proper
function of panels and doors.
b.
Check for presence and condi-
tion of ladders, stabilizers, recepta-
cles, and power cables.
DRIVER
a.
Check PTOs, drive shafts,
hydraulic pumps, and control
valves for damage, leakage, and
security mounting.
b.
Check hydraulic tank oil level.
Any side rail or
crossmember is
obviously broken;
any weld, bolt, or
rivet broken or
rusted through.
Class III leakage
is evident.
Safety pin is miss-
ing.
a.
Panels or
doors do not func-
tion properly.
b.
Ladders,
stabilizers, recep-
tacles, or power
cables are miss-
ing.
Class III leakage
is evident.
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