NO AIR PRESSURE PRESENT AT REAR GLADHAND(S) (ALL MODELS EXCEPT M1088) (cont)

TM 9-2320-366-20-2

j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S)

(ALL MODELS EXCEPT M1088) (CONT)

KNOWN INFO

TEST OPTIONS

15.

Visual inspection

Vehicle park and service brakes

REASON FOR QUESTION

OK.

Is air present at

Air hoses free from kinks.

load sensing valve

If air is present, load sensing

Emergency gladhand OK.

control port tee fitting

valve control port tee fitting is

Air hose 155, 157, or 167

supply port?

faulty.

OK.

Service gladhand OK.

Air hose 149, 150, or 151

OK.

Air hose 102 OK.

Air hose 108 OK.

TRAILER AIR SUPPLY valve

OK.

Air hose 104 OK.

Air hose 241, 253, or 254

OK.

Air brake protecting valve OK.

Air hose 230 OK.

Air hose 120 OK.

Inversion valve control port

90-degree fitting OK.

Go to step 16

YES

Air hose 128, 130, or 132

of this fault.

OK.

POSSIBLE PROBLEMS

Faulty load sensing valve

control port tee fitting.

Faulty air hose 240 or 243.

Faulty booster valve.

Faulty service gladhand

two-way check valve.

Faulty air hose.

Replace load sensing valve

control port tee fitting (para 11-10).

2-1976.24

Change 1