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

Visual inspection

Vehicle park and service brakes

REASON FOR QUESTION

OK.

Is air present at

Air hoses free from kinks.

If air is present, air hose (refer

cab floor fitting?

Emergency gladhand OK.

to Table 2-49.4. Air Brake

Air hose 155, 157, or 167

Protecting Valve Control Hose

OK.

Numbers) is faulty.

Service gladhand OK.

Air hose 241, 253, or 254

OK.

Air brake protecting valve OK.

Air hose 230 or 256 OK.

Load sensing valve control port

tee fitting OK.

Air hose 240 or 243 OK.

Booster valve OK.

Service gladhand two-way

check valve OK.

Air hose 145 OK.

Air hose 120 OK.

Inversion valve control port

90-degree fitting OK.

Go to step 7

YES

Air hose 128, 130, or 132

of this fault.

OK.

POSSIBLE PROBLEMS

Faulty

air hose 149, 150, or

151.

Faulty

air hose 102.

Faulty

air hose 108.

Faulty

TRAILER AIR SUPPLY

valve.

Faulty

air hose 104.

Replace air hose (refer to Table

2-49.4. Air Brake Protecting Valve

Control Hose Numbers) (para 11-16).

2-1976.6

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