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

18.

Visual inspection

Vehicle park and service brakes

REASON FOR QUESTION

OK.

Air hoses free from kinks.

Is air present at service

If air is not present, service

Emergency gladhand OK.

gladhand two-way check

gladhand two-way check valve

Air hose 155, 157, or 167

valve delivery port?

is faulty. If air is present, air

OK.

hose 145 is 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.

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.

Replace service gladhand

Booster valve OK.

YES

two-way check valve (para 11-25).

Air hose 120 OK.

Inversion valve control port

90-degree fitting OK.

Air hose 128, 130, or 132

OK.

POSSIBLE PROBLEMS

Faulty service gladhand

two-way check valve.

Faulty air hose 145.

Replace air hose

145 (para 11-21).

2-1976.30

Change 1