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.

Visual inspection

Vehicle park and service brakes

REASON FOR QUESTION

OK.

Is air present at

Air hoses free from kinks.

emergency gladhand

If air is present, emergency

Air hose 149, 150, or 151

supply port?

gladhand is faulty.

OK.

Air hose 102 OK.

Air hose 108 OK.

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.

Go to step 4

YES

Booster valve OK.

of this fault.

Service gladhand two-way

check valve OK.

Air hose 145 OK.

Air hose 120 OK.

Inversion valve control port

90-degree fitting OK.

Air hose 128, 130, or 132

OK.

POSSIBLE PROBLEMS

Faulty emergency gladhand.

Faulty air hose 155, 157, or

167.

Faulty air brake protecting

valve.

Replace emergency

gladhand (para 11-24).

2-1976

Change 1