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

16.

Visual inspection

Vehicle park and service brakes

REASON FOR QUESTION

OK.

Is air present at booster

Air hoses free from kinks.

valve delivery port?

If air is present, air hose (refer

Emergency gladhand OK.

to Table 2-49.9. Booster Valve

Air hose 155, 157, or 167

Delivery 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.

Air hose 241, 253, or 254

OK.

Air brake protecting valve OK.

Air hose 230 OK.

Load sensing valve control port

tee fitting OK.

Air hose 120 OK.

Go to step 17

YES

Inversion valve control port

of this fault.

90-degree fitting OK.

Air hose 128, 130, or 132

OK.

POSSIBLE PROBLEMS

Faulty air hose 240, 243, or

256.

Faulty booster valve.

Faulty service gladhand

two-way check valve.

Faulty air hose 145.

Replace air hose (refer to Table

2-49.9. Booster Valve Delivery Hose

Numbers) (para 11-21).

2-1976.26

Change 1