TROUBLESHOOTING SYMPTOM INDEX (CONT) - TM-9-2320-285-24-10037

TM 9-2320-285-24-1

2-6.

TROUBLESHOOTING SYMPTOM INDEX (CONT)I

Para/Malfunction

Page

SERVICE BRAKE SYSTEM (cont)

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

(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 ...................................................................................................2-48/1,3-22/1

2-535,3-161

Pressure builds up slowly .............................................................................2-48/2,3-21/3

2-535,3-154

Air compressor knocks .................................................................................2-48/3,3-22/2

2-536,3-161

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

(rear of tractor) .....................................................................................2-49/3

2-538

TREADLE VALVE AND BRAKE CONTROLS

Rapid pressure drop after engine is shut down

(brakes released) .................................................................................3-21/1

3-154

(brakes applied) ....................................................................................3-21/2

3-154

Pressure builds up slowly .............................................................................3-21/3

3-154

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

3-21/4 3-155

Parking (spring) brakes won't release ..........................................................3-21/5

3-155

Parking (spring) brake won't apply ...............................................................3-21/6

3-157

Front and rear service brakes release slowly ...............................................3-21/7

3-158

Front service brakes release slowly .............................................................3-21/8

3-158

Rear service brakes release slowly ..............................................................3-21/9

3-158

Trailer brakes do not release ........................................................................3-21/10

3-159

Trailer service brakes do not function

(cab guard) ...........................................................................................3-21/11

3-159

(rear of tractor) .....................................................................................3-21/12

3-161

WHEELS AND TIRES

Tire wearing unevenly ..................................................................................2-55/1

2-644

Noisy or bumping sound while traveling .......................................................2-55/2

2-644

STEERING SYSTEM

Tractor wanders over road ...........................................................................2-56/1,3-27/3

2-646,3-227

No recovery ..................................................................................................2-56/2,3-27/4

2-646,3-228

Shimmy ......................................................................................................2-56/3,3-27/5

2-646,3-230

High steering effort in both directions ...........................................................2-56/4,3-27/8

2-647,3-233

Lost motion at steering wheel .......................................................................2-56/5,3-27/9

2-647,3-234

Power steering pump making noise .............................................................2-56/6,3-27/11

2-648,3-236

Steering wheel stops turning before tractor

front wheels hit stop blocks ..................................................................3-27/1

3-226

Too much play in steering wheel ..................................................................3-27/2

3-227

Oversteering or darting .................................................................................3-27/6

3-230

2-14