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

13.

Visual Inspection

Vehicle park and service brakes

REASON FOR QUESTION

OK.

Is air present at

Air hoses free from kinks.

air brake protecting valve

If air is present, air brake

Emergency gladhand OK.

supply port FV2?

protecting valve is faulty.

Air hose 155, 157, or 167

OK.

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 hose 230 or 256 OK.

Load sensing valve control port

tee fitting OK.

Go to step 19

Air hose 240 or 243 OK.

YES

of this fault.

Booster valve OK.

Service gladhand two-way

check valve OK.

Air hose 145 OK.

POSSIBLE PROBLEMS

Faulty air brake protecting

valve.

Faulty air hose 120.

Faulty inversion valve control

port 90-degree fitting.

Faulty air hose 128, 130, or

132.

Replace air brake

protecting valve

(para 11-18).

2-1976.20

Change 1