j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (CONT)
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
KNOWN INFO
NO
YES
Replace air hose
244 (para 11-19).
Replace service gladhand
two-way check valve (para 11-23).
16.
If air is not present, service
gladhand two-way check valve
is faulty. If air is present, air
hose 244 is faulty.
Is air present at service
gladhand two-way check
valve delivery port?
Vehicle park and service brakes
OK.
Air hoses free from kinks.
Emergency gladhand OK.
Air hose 126 OK.
Service gladhand OK.
Air hose 124 OK.
Air hose 102 OK.
Air hose 108 OK.
TRAILER AIR SUPPLY valve
OK.
Air hose 104 OK.
Air hose 265 OK.
Air brake protecting valve OK.
Air hose 247 OK.
Load sensing valve control port
tee fitting OK.
Air hose 120 OK.
Inversion valve control port
90-degree fitting OK.
Air hose 117 OK.
Faulty service gladhand
two-way check valve.
Faulty air hose 244.
POSSIBLE PROBLEMS
TM 9-2320-365-20-2
2-1742.26 Change 1