j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (CONT)
KNOWN INFO
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
YES
NO
Replace TRAILER
AIR SUPPLY valve
(para 11-18).
If air is not present, air hose
104 is faulty. If air is present,
TRAILER AIR SUPPLY valve
is faulty.
Is air present at
TRAILER AIR SUPPLY
valve supply port?
Replace air hose
104 (para 11-19).
POSSIBLE PROBLEMS
9.
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.
Air hose 108 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.
TM 9-2320-365-20-2
2-1742.12 Change 1