TROUBLESHOOTING SYMPTOM INDEX - TM-9-2320-285-24-10542

TM 9-2320-285-24-1

2-45.

TROUBLESHOOTING SYMPTOM INDEX

Para/Malfunction

Page

SERVICE BRAKE SYSTEM

Front or rear axle brakes release slowly ..........................................................

2-46/1

2-520

Uneven or erratic front axle brakes ..................................................................

2-46/2

2-520

Uneven or erratic rear axle brakes ....................................................................

2-46/3

2-521

Front axle brakes automatic adjustment not operating ....................................

2-46/4

2-522

Front axle brakes dragging ...............................................................................

2-46/5

2-523

Rear axle brakes dragging ...............................................................................

2-46/6

2-524

Front axle brakes grabbing................................................................................

2-46/7

2-526

Rear axle brakes grabbing ...............................................................................

2-46/8

2-526

Front axle brakes linings wear unevenly ..........................................................

2-46/9

2-527

Rear axle brakes linings wear unevenly ...........................................................

2-46/10

2-528

Front axle brakes frozen or locked ....................................................................

2-46/11

2-529

Rear axle brakes frozen or locked ...................................................................

2-46/12

2-529

Insufficient brake force to stop vehicle (front axle

brakes ) .....................................................................................................

2-46/13

2-530

Insufficient brake force to stop vehicle (rear axle

brakes) ......................................................................................................

2-46/14

2-531

Front axle brakes squeak or groan, or scraping noise

when applied .............................................................................................

2-46/15

2-531

Rear axle brakes squeak or groan, or scraping noise

when applied .............................................................................................

2-46/16

2-532

AIR BRAKE SYSTEM

Rapid pressure drop after engine is shut down (brakes

released) ...................................................................................................

2-47/1

2-533

Rapid pressure drop after engine is shut down (brakes

applied)......................................................................................................

2-47/2

2-533

Pressure builds up slowly .................................................................................

2-47/3

2-534

Pressure won't build up to normal .....................................................................

2-47/4

2-534

Parking (spring) brakes won't release ..............................................................

2-47/5

2-535

AIR COMPRESSOR

Pressure too high, or air compressor won't cut out ...........................................

2-48/1

2-535

Pressure builds up slowly ..................................................................................

2-48/2

2-535

Air compressor knocks .....................................................................................

2-48/3

2-536

TRAILER BRAKE LINES AND COUPLINGS

Trailer brakes do not release ............................................................................

2-49/1

2-536

Trailer service brakes do not function (cab guard) ............................................

2-49/2

2-537

Trailer service brakes do not function (rear of

tractor) .......................................................................................................

2-49/3

2-538

2-519