KNOWN INFO
POSSIBLE PROBLEMS
Faulty air hose 108.
Faulty TRAILER AIR SUPPLY
valve.
Faulty air hose 104.
Vehicle park and service brakes
OK.
Air hoses free from kinks.
Emergency gladhand OK.
Air hose 126 OK.
Air hose 124 OK.
Air hose 102 OK.
Service gladhand OK.
Air hose 265 OK.
Air brake protecting valve OK.
Air hose 247 OK.
Load sensing valve control port
tee fitting OK.
Service gladhand two-way
check valve OK.
Air hose 244 OK.
Air hose 120 OK.
Inversion valve control port
90-degree fitting OK.
Air hose 117 OK.
8.
If air is not present, air hose
108 is faulty.
Replace air hose
108 (para 11-19).
Is air present at
TRAILER AIR SUPPLY
valve control port?
NO
YES
REASON FOR QUESTION
Visual inspection
TEST OPTIONS
j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (CONT)
TM 9-2320-365-20-2
2-1742.10 Change 1
