TM-9-2320-366-20-2

M1083 SERIES, 5 TON, 6x6, MEDIUM TACTICAL VEHICLES (MTV)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 2 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-2 - Page 1270 of 1632

TEST OPTIONS

Visual inspection

REASON FOR QUESTION

Is air present at

air brake protecting valve

supply port FV1?

This question eliminates

possible problems and

determines where

troubleshooting continues.

KNOWN INFO

YES

NO

TM 9-2320-366-20-2

2-1976.18

Change 1

j4. NO AIR PRESSURE PRESENT AT REAR GLADHAND(S)

(ALL MODELS EXCEPT M1088) (CONT)

Go to step 14 of this

fault (all models except

M1089) or step 16 of

this fault (M1089).

POSSIBLE PROBLEMS

12.

Vehicle park and service brakes

OK.

Air hoses free from kinks.

Emergency gladhand OK.

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.

Faulty air brake protecting

valve.

Faulty air hose 230 or 256.

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.