VEHICLE BRAKES UNEVENLY, BRAKES PULL TO ONE SIDE OR GRAB (Cont)

TM 9-2320-366-20-2

i5. VEHICLE BRAKES UNEVENLY, BRAKES PULL TO ONE SIDE OR GRAB (CONT)

KNOWN INFO

TEST OPTIONS

12.

Air tanks pressurized.

Visual inspection

Front wheel brake shoes OK.

Are vent hoses and vent

REASON FOR QUESTION

Front wheel brake adjustment

valve for affected rear

OK.

wheel brakes free from

If vent hoses or vent valves are

Front axle quick release valve

obstructions?

plugged, brakes will not apply

OK.

at affected wheel(s).

Air hose to front brake air

chamber OK.

Front brake vent hose OK.

Front brake air chamber OK.

Load sensing valve OK.

Rear brake shoes OK.

Rear wheel brake adjustment

OK.

Relay valve OK.

Air hose to rear brake air

chamber OK.

POSSIBLE PROBLEMS

Replace damaged vent hose

YES

or vent valve (para 11-21).

Faulty rear brake vent hose or

vent valve.

Faulty rear brake air

chamber(s).

Replace rear brake air chamber(s)

at affected wheel(s) (para 11-8).

2-1922

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