Troubleshooting Symptom Index-continued -714670034

TM 5-2420-224-34

Troubleshooting Symptom Index (Cont)

Troubleshooting

Malfunction

Procedure

Number

Malfunction

Page

ENGINE

ENGINE CRANKS BUT WILL NOT START OR HARD TO START .................................

2-5

ENGINE RUNS ROUGH OR LACKS POWER ................................................................

2-6

FUEL CONSUMPTION EXCESSIVE ...............................................................................

2-6

ENGINE OIL PRESSURE LOW .......................................................................................

2-6

ENGINE OIL CONSUMPTION EXCESSIVE ....................................................................

2-7

ENGINE OIL DILUTED WITH FUEL ................................................................................

2-7

ENGINE OIL DILUTED WITH ENGINE COOLANT .........................................................

2-7

ENGINE VIBRATES EXCESSIVELY ...............................................................................

2-7

TRANSMISSION

TRANSMISSION WILL NOT OPERATE IN ANY FORWARD OR REVERSE GEAR ......

2-8

10.

TRANSMISSION LOCKS UP IN GEAR ............................................................................

2-9

11.

TRANSMISSION SLIPS IN ALL RANGES........................................................................

2-9

12.

CLUTCH SLIPS OR DRAGS.............................................................................................

2-9

13.

PTO WILL NOT ENGAGE OR EXCESSIVELY NOISY ....................................................

2-10

14.

FRONT AXLE PROPELLER SHAFT WILL NOT TURN ...................................................

2-10

15.

TRANSMISSION GEARS NOISY DURING SHIFTING ....................................................

2-10

BRAKES AND AIR SYSTEM

16.

DUAL BRAKE GAGE IN CAB WILL NOT INDICATE CORRECT PRESSURE ...............

2-10

16.1

BRAKING UNEVEN ..........................................................................................................

2-12.1

17.

INTERMEDIATE SPEED SHIFT VALVE WILL NOT OPERATE ......................................

2-13

18.

TRAILER BRAKES WILL NOT DISINGAGE.....................................................................

2-13

STEERING SYSTEM

19.

STEERING HARD TO MOVE FULL RIGHT AND LEFT...................................................

2-14

HYDRAULIC SYSTEM

20.

FRONT OR REAR HYDRAULIC PUMP NOISY ...............................................................

2-15

21.

HYDRAULIC SYSTEM OIL OVERHEATS........................................................................

2-22

22.

BACKHOE/CRANE WILL NOT TILT INTO OR OUT OF TRANSPORT POSITION ........

2-22

23.

HYDRAULIC FUNCTION SLUGGISH ..............................................................................

2-22

FORKLIFT

24.

ERRATIC UP AND DOWN MOVEMENT OF FORKLIFT .................................................

2-23

HD45 HAMMER DRILL

25.

HAMMER DRILL WILL NOT OPERATE OR OPERATES SLOWLY................................

2-23

Change 1

2-3