TM-9-2320-366-20-3

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

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; UNIT MAINTENANCE; VOLUME NO. 3 OF 5

FEBRUARY 2006

CHANGE 3

TM-9-2320-366-20-3 - Page 108 of 1396

TEST OPTIONS

KNOWN INFO

TM 9-2320-366-20-3

6.

2-2078

Change 2

m3.

FIVE CENTRAL TIRE INFLATION SYSTEM (CTIS) ECU INDICATOR LIGHTS FLASHING

(CONT)

Front and rear air gages read

120 PSI.

CTIS manifold valve vent hose

and bulkhead fitting OK.

Air hose and fittings OK.

Front axle CTIS quick

release valves OK.

Intermediate axle CTIS

quick release valve OK.

Rear axle CTIS quick

release valve OK.

POSSIBLE PROBLEMS

Faulty wheel valve.

Faulty front wheel kneeling

valve.

Faulty wheel seals.

Faulty electrical system.

Visual Inspection

REASON FOR QUESTION

Leaks at wheel valves and

front wheel kneeling valve(s)

that cause rapid tire deflation

will make five CTIS ECU

mode lights flash.

YES

NO

Replace kneeling valve(s)

or wheel valve(s) (para 12-5).

Are CTIS wheel valves and

front wheel kneeling valves

free from leaks and

damage?