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)

WARNING

Read WARNING

KNOWN INFO

TEST OPTIONS

on following page.

10.

Visual inspection

Vehicle park and service brakes

REASON FOR QUESTION

OK.

Is air present at

Air hoses free from kinks.

service gladhand

If air is present, service

Emergency gladhand OK.

supply port?

gladhand is faulty.

Air hose 155, 157, or 167

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.

POSSIBLE PROBLEMS

Faulty service gladhand.

Faulty air hose 241, 253, or

254.

Faulty air brake protecting

valve.

Go to step 11

YES

Faulty air hose 230 or 256.

of this fault.

Faulty load sensing valve

control port tee fitting.

Faulty air hose 240 or 243.

Faulty booster valve.

Faulty service gladhand

two-way check valve.

Faulty air hose 145.

Faulty air hose 120.

Faulty inversion valve control

port 90-degree fitting.

Faulty air hose 128, 130, or

132.

Replace service

gladhand (para 11-24).

2-1976.14

Change 1