j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (CONT)
KNOWN INFO
TEST OPTIONS
Visual inspection
REASON FOR QUESTION
YES
NO
POSSIBLE PROBLEMS
Go to step 7
of this fault.
If air is present, air hose 124
is faulty.
6.
Faulty air hose 124.
Faulty air hose 102.
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.
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.
Is air present at
cab floor fitting?
Replace air hose
124 (para 11-19).
TM 9-2320-365-20-2
2-1742.6 Change 1
