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

14.

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, air hose 230

Emergency gladhand OK.

control port tee fitting

is faulty.

Air hose 155, 157, or 167

delivery port?

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 120 OK.

Inversion valve control port

90-degree fitting OK.

Air hose 128, 130, or 132

Go to step 15

YES

OK.

of this fault.

POSSIBLE PROBLEMS

Faulty air hose 230.

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 145.

Replace air hose

230 (para 11-21).

2-1976.22

Change 1