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.

TRAILER AIR SUPPLY

If air is not present, air hose

Emergency gladhand OK.

valve control port?

108 is faulty.

Air hose 155, 157, or 167

OK.

Air hose 149, 150, or 151

OK.

Air hose 102 OK.

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.

Replace air hose

YES

Air hose 120 OK.

108 (para 11-21).

Inversion valve control port

90-degree fitting OK.

Air hose 128, 130, or 132

OK.

POSSIBLE PROBLEMS

Faulty air hose 108.

Faulty TRAILER AIR SUPPLY

valve.

Faulty air hose 104.

2-1976.10

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