TM 9-2320-366-20-2
2-21. AIR SYSTEM TROUBLESHOOTING
This paragraph covers Air System Troubleshooting. The Air System Fault Index, Table 2-49, lists faults for the Air
System of the vehicle.
Table 2-49. Air System Fault Index
Fault No.
Description
Page
j1.
Air System Loses Pressure During Operation/Slow, No, or Incorrect Air Pressure Buildup .
.... 2-1948
j2.
Large Quantity of Moisture Expelled From Air Reservoirs .
...........................
2-1964
j3.
Air Dryer Purges Constantly .
................................................
2-1968
j4.
No Air Pressure Present at Rear Gladhand(s) (All Models Except M1088) .
...............
2-1972
j4A.
No Air Pressure Present at All M1088 Rear and Fifth Wheel Gladhands .
..............
2-1976.36
j4B.
No Air Pressure Present at M1088 Rear and/or Fifth Wheel EMERGENCY Gladhand(s) .
... 2-1976.42
j4C.
No Air Pressure Present at M1088 Rear and/or Fifth Wheel SERVICE Gladhand(s) .
......
2-1976.48
j4D.
M1088 Trailer Handbrake Control Does Not Operate .
............................
2-1976.60
j5.
Air System Pressure Builds Up More Than 120 psi (827 kPa) (Compressor Fails to
Unload) .
...............................................................
2-1978
j6.
Noisy Air Compressor Operation .
.............................................
2-1982
j7.
M1088 Rear Gladhand(s) Leaks or Does Not Operate .
.............................
2-1986
j8.
M1091/M1094 Tailgate Release Does Not Operate .
................................
2-1988
Change 1
2-1947