JavaScript seems to be disabled in your browser.
You must have JavaScript enabled in your browser to utilize the functionality of this website.

Buy Printed Manual

Ferguson Tractor TO-20 Operation and Maintenance Manual

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

TROUBLE-SHOOTING (Cont'd)

3. Spark plug porcelain cracked

4. Spark plug gaps not properly spaced

5. Spark plug porcelain is dirty, allowing

voltage to short circuit from

terminal to base of plug

6. Leaking spark plug wire

7. Short in distributor cap

8. Lew compression in cylinder

9. Spark plug wire not correctly assembled in

distributor plate

Replace plug

Reset gaps

-

See page 22

Clean plug thoroughly; if necessary,

replace with new plug

Replace wire

Replace same

See your Ferguson Dealer

Check wiring

(J) ERRATIC MISFIRING

Possible Cause

1. Defective coil

2. Defective condenser

3. Sticking breaker arm

4. Dirty points

5. Weak breaker arm return spring

6. Dirty distributor assembly

7. Improperly adjusted breaker points

8. Sticky valve action

9. Weak valve spring

10. Improperly spaced spark plug gaps

11. Improperly adjusted valves

12. Leakage in intake manifold

Possible Remedy

Replace same

Replace same

Lubricate pivot point

Clean thoroughly

See your Ferguson Dealer

Clean thoroughly

Adjust same-See page 21

See your Ferguson Dealer

See your Ferguson Dealer

Reset gaps-See page 22

Adjust valves-See page 15

See your Ferguson Dealer

(K) STARTER TURNS BUT DOES NOT CRANK ENGINE

Possible Cause

Possible Remedy

1. Bendix drive is dirty

Clean thoroughly

2. Bendix spring is broken

Replace spring

{L) ST ARTER DOES NOT CRANK ENGINE OR CRANKS ENGINE IMPROPERLY

Possible Cause

1. Insufficient charge in battery

2. Loose or disconnected terminal

3. Corroded battery terminals

4. Faulty starter switch

5. Faulty wiring

6. Starter motor brushes and commutator dirty

7. Weak starting motor brush spring

8. Worn out starting motor brushes

9. Bent starter armature shaft

10. Cracked cylinder head

11. Leaky cylinder head gasket

12. Starter pinion locked in flywheel ring gear

13. Engine oil too heavy

14. Improper adjustment of switch assembly on

housing

Possible Remedy

Charge battery

Check wiring

Clean terminals

Replace same

Check and replace when defective

Clean thoroughly

See your Ferguson Dealer

Replace same with new brushes

See your Ferguson Dealer

Replace same

Replace same

See your Ferguson Dealer

Use lighter, proper grade of oil

Adjust

1
...
40
41
42
43
44
45
46
...
48

Get assistance and advice from our parts specialists

TractorJoe Information

Copyright © 2009 - 2023 TractorJoe.com, all rights reserved.

14385 23 Ave N Plymouth, MN 55447 - 1.888.860.9096