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

11.

Visual inspection

Vehicle park and service brakes

REASON FOR QUESTION

OK.

Is air present at

Air hoses free from kinks.

air brake protecting valve

If air is present, air hose (refer

Emergency gladhand OK.

delivery port TRLR S?

to Table 2-49.6. Service

Air hose 155, 157, or 167

Gladhand Hose Numbers) is

OK.

faulty.

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.

POSSIBLE PROBLEMS

Faulty air hose 241, 253, or

254.

Faulty air brake protecting

valve.

Faulty air hose 230 or 256.

Go to step 12

YES

Faulty load sensing valve

of this fault.

control port tee fitting.

Faulty air hose 240 or 243.

Faulty booster valve.

Faulty service gladhand

two-way check valve.

Faulty air hose 145.

Faulty air hose 120.

Faulty inversion valve control

port 90-degree fitting.

Faulty air hose 128, 130, or

132.

Replace air hose (refer to Table

2-49.6. Service Gladhand Hose

Numbers) (para 11-21).

2-1976.16

Change 1