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 not present, air brake

air brake protecting valve

Emergency gladhand OK.

protecting valve is faulty. If air

delivery port TRLR E?

Air hose 149, 150, or 151

is present, air hose (refer to

OK.

Table 2-49.2. Emergency

Air hose 102 OK.

Gladhand Hose Numbers) is

Air hose 108 OK.

faulty.

TRAILER AIR SUPPLY valve

OK.

Air hose 104 OK.

Service gladhand OK.

Air hose 241, 253, or 254

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.

Replace air brake protecting

Air hose 145 OK.

YES

valve (para 11-18).

Air hose 120 OK.

Inversion valve control port

90-degree fitting OK.

Air hose 128, 130, or 132

OK.

POSSIBLE PROBLEMS

Faulty air hose 155, 157, or

167.

Faulty air brake protecting

valve.

Replace air hose (refer to

Table 2-49.2. Emergency Gladhand

Hose Numbers) (para 11-21).

2-1976.2

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