MAINTENANCE OF M939 SERIES VEHICLES - OD1661 - LESSON 1/TASK 2
electrical. The mechanical troubleshooting symptom index is found in
Chapter 2, Table 2-2 of TM 9-2320-272-20-1.
The following M939 FOV
functional systems are designated as mechanical in the table:
(1)
Engine
(2)
Ether Start System
(3)
Exhaust System
(4)
(5)
Transmission
(6)
Transfer Case
(7)
Propeller and Drive Shafts
(8)
Front and Rear Axles
(9)
Wheels and Tires
(10)
Steering
(11)
Frame and Brackets
(12)
Springs and Shock Absorbers
(13)
Winch
(14)
Power Takeoff
(15)
Instruments and Gages
(16)
Radio Interference Suppression
(17)
Fifth Wheel
(18)
Medium Wrecker
(19)
Dump Body
(20)
Expansible Van
(21)
Power Liftgate
The troubleshooting symptom index is found in Chapter 2, Table 2-3 of
the same TM.
The following functional systems are designated as
electrical in the table:
(1)
Battery System
(2)
Starting System
(3)
Generating System
(4)
(5)
Directional Signal System
(6)
Indicator, Gage, and Warning System
(7)
Trailer Connection System
(8)
Tables 2-2 and 2-3 are the master reference tables for locating
troubleshooting information within a functional system.
The tables
segment each functional system into malfunction symptoms.
Each
malfunction symptom given for an individual component or system is
followed by step(s) that should be taken to determine the cause and
corrective action that must be taken to remedy the problem.
An
example is shown in Table 1 (on the following page).
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