SYMPTOM INDEX -714360023

TM5-241O-237-34

SYMPTOM INDEX

2-6.

This symptom index is provided as a quick way to get you to the troubleshooting

procedure that will help you solve the problem you are having.

MECHANICAL TROUBLESHOOTING SYMPTOM INDEX

PAGE

MALFUNCTION

NO.

ENGINE

Engine will not crank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Engine cranks, fails to start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Engine starting motor operates, does not

engage flywheel ring gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Engine stalls at low rpm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6

Low oil pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Engine knocks (mechanical noise) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Abnormal noise from valve mechanism (clicking sound) . . . . . . . .. 2-8

Excessive oil consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

Engine misses or runs rough . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9

Excessive engine vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10

Coolant in engine lubricating oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

Engine lubricating oil in cooling system . . . . . . . . . . . . . . . . . . . . 2-11

Engine lubricating oil at exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

Excessive exhaust smoke (black or gray smoke) . . . . . . . . . . . . . . . . 2-12

Excessive exhaust smoke (white or blue smoke) . . . . . . . . . . . . . . . . 2-12

FUEL SYSTEM

2-13

Sudden changes in engine speed (rpm) . . . . . . . . . . . . . . . . . . . . . . . .

2-13

Low power - loss of power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-14

Engine fuel knocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-14

Excessive fuel consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

COOLING SYSTEM

Engine overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...... ... 2-15

Loss of coolant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . .... . 2-15

TRANSMISSION AND TORQUE DIVIDER

Transmission does not operate in any

speed or slips in all speeds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15

Transmission does not shift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16

Slow shifting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16

Transmission downshifts during operation

(no transmission selector lever movement) . . . . . . . . . . . . . . . . . . 2-16

Rough shifting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...... . 2-17

Tractor moves in forward speeds only . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

Tractor moves in reverse speeds only . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

Tractor does not move in FIRST speed

forward or reverse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17

Tractor does not move in SECOND speed

forward or reverse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18

2-3