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 132 of 481
FLUID LEAKAGE CRITERIA FOR TACTICAL VEHICLES
I
II
III
ALL MODELS
Air Compressor (Oil)
±
Coolant System (Engine)
±
Differentials
±
Dump Hoist Cylinder
±
Engine Lube Oil System
±
Engine Surge Tank
±
Front Winch (M925/A1/A2, M928/A1/A2, M930/A1/A2,
±
M932/A1/A2, M936/A1/A2)
Fuel Filter/Water Separator
±
Fuel System
±
Fuel Tank
±
Hydraulic Hoist (except M923/A1/A2, M927/A1/A2,
M931/A1/A2, and M934/A1/A2)
±
Hydraulic Lines and Hoses (except M923/A1/A2,
M927/A1/A2, M931/A1/A2, and M934/A1/A2)
±
Hydraulic Pump (except M923/A1/A2, M927/A1/A2,
M931/A1/A2, and M934/A1/A2)
±
Hydraulic Tank
±
Oil Filter
±
Personnel Heater and Hoses
±
Power Steering Assist Cylinder
±
Power Steering Pump
±
Power Train
PTO (except M923/A1/A2, M927/A1/A2,
±
M931/A1/A2, and M934/A1/A2)
Radiator
±
Transmission Cooler
±
Transmission and Transmission Case
±
Water Pump
±
M936/A1/A2 MEDIUM WRECKER
Crane in Operation
±
Rear Winch and Crane
±
Wrecker Crane
±
TM 9-2320-272-10
2-33
Table 2-2. Fluid Leakage Criteria for Tactical Vehicles.
DEADLINING
LEAKAGE CRITERIA
CAUTION
Operation is allowable with class I or II leakage. You must, of course,
consider fluid capacity of the item/system. WHEN IN DOUBT, NOTIFY
UNIT MAINTENANCE. When operating with class I or II leaks, check
fluid levels more frequently. Class III leaks must be reported immedi-
ately to your supervisor or to unit maintenance.
2-9. CLASS LEAKAGE DEFINITIONS (Contd)
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