New Holland Td4020f Tractors Service Manual.pdf

1. SERVICE MANUAL
TD4020F /TD4030F /TD4040F
Tractor
Part number 48064955
English
September 2016
© 2016 CNHI International. All Rights Reserved.

2. Link Product / Engine
Product Market Product Engine
TD4020F Europe F5AE5484A
TD4030F Europe F5AE5484A
TD4040F Europe F5AE5484A
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3. Contents
INTRODUCTION
Engine ...............................................................................................................10
[10.001] Engine and crankcase........................................................................................................10.1
Clutch ................................................................................................................18
[18.110] Clutch and components......................................................................................................18.1
Transmission....................................................................................................21
[21.114] Mechanical transmission....................................................................................................21.1
[21.160] Creeper ................................................................................................................................21.2
[21.162] Reverser...............................................................................................................................21.3
[21.182] Differential............................................................................................................................21.4
Four-Wheel Drive (4WD) system..................................................................23
[23.202] Electro-hydraulic control ....................................................................................................23.1
[23.304] Four-Wheel Drive (4WD) gearbox....................................................................................23.2
Front axle system............................................................................................25
[25.100] Powered front axle..............................................................................................................25.1
[25.102] Front bevel gear set and differential.................................................................................25.2
[25.108] Final drive hub, steering knuckles, and shafts................................................................25.3
[25.310] Final drives...........................................................................................................................25.4
Rear axle system.............................................................................................27
[27.100] Powered rear axle...............................................................................................................27.1
[27.106] Rear bevel gear set and differential..................................................................................27.2
Power Take-Off (PTO) ....................................................................................31
[31.101] Rear mechanical control ....................................................................................................31.1
Brakes and controls ........................................................................................33
[33.220] Trailer brake hydraulic control...........................................................................................33.1
[33.202] Hydraulic service brakes....................................................................................................33.2
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4. Hydraulic systems ...........................................................................................35
[35.204] Remote control valves ........................................................................................................35.1
[35.114] Three-point hitch control valve...........................................................................................35.2
[35.322] Regulated/Low pressure system .......................................................................................35.3
Hitches, drawbars, and implement couplings .............................................37
[37.110] Rear three-point hitch..........................................................................................................37.1
Steering.............................................................................................................41
[41.206] Pump.....................................................................................................................................41.1
[41.216] Cylinders................................................................................................................................41.2
[41.200] Hydraulic control components ...........................................................................................41.3
Electrical systems............................................................................................55
[55.301] Alternator ..............................................................................................................................55.1
[55.201] Engine starting system .......................................................................................................55.2
[55.051] Cab Heating, Ventilation, and Air-Conditioning (HVAC) controls..................................55.3
[55.523] Cab hitch controls................................................................................................................55.4
[55.408] Warning indicators, alarms, and instruments...................................................................55.5
[55.302] Battery...................................................................................................................................55.6
[55.100] Harnesses and connectors.................................................................................................55.7
Platform, cab, bodywork, and decals ...........................................................90
[90.154] Cab doors and hatches.......................................................................................................90.1
[90.151] Cab interior...........................................................................................................................90.2
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5. INTRODUCTION
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6. Contents
INTRODUCTION
International symbols ..............................................................................................................................3
Safety rules...............................................................................................................................................4
Safety rules.............................................................................................................................................16
Personal safety.......................................................................................................................................21
Basic instructions Hardware.................................................................................................................22
Torque Specification Tables .................................................................................................................23
Basic instructions - Shop and Assembly ............................................................................................28
Capacities ...............................................................................................................................................30
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7. gears
engaged
INTRODUCTION
International symbols
As a guide to the operation of the machine, various universal symbols have been utilized on the instruments, controls,
switches, and fuse box. The symbols are shown below with an indication of their meaning.
Thermostart
starting aid
Radio PTO
Position
Control
Alternator
charge
Keep alive
memory
Transmission
in neutral
Draft
Control
Fuel level Turn signals
Creeper Accessory
socket
Automatic
Fuel shut-off
Engine speed
(rev/min x 100)
Hours recorded
Engine oil
pressure
Engine coolant
temperature
Turn signals
-one trailer
Turn signals
-two trailers
Front wind-
screen
wash/wipe
Rear wind-
screen
wash/wipe
Heater temp-
erature control
Slow or
low setting
Fast or high
setting
Ground
speed
Differential
lock
Rear axle
oil tem-
perature
Implement
socket
%age
slip
Hitch raise
(rear)
Hitch lower
(rear)
Hitch height
limit (rear)
Coolant
level
Transmission
oil pressure
Hitch height
limit (front)
Tractor lights Air conditioner
FWD Hitch dis-
abled
Headlamp
main beam
Air filter
blocked
FWD dis-
engaged
Hydraulic and
transmission
filters
Headlamp
dipped beam
Parking
brake
Warning!
Remote
valve extend
Work lamps
Brake fluid
level
Hazard
warning lights
Remote
valve retract
Stop
lamps
Horn
Trailer
brake
Roof
beacon
Warning !
Corrosive
substance
Variable
control
Pressurised!
Open carefully
Remote
valve float
Malfunction!
See Operator's
Manual
Malfunction!
(alter-
native symbol)
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Heater fan

8. DANGER
INTRODUCTION
Safety rules
IMPORTANT NOTICE
All maintenance and repair operations described in this manual should be carried out exclusively by authorised work-
shops. All instructions should be carefully observed and special equipment where indicated should be used.
Anyone who carries out service operations described without carefully observing these instructions will be directly
responsible for any damage caused.
NOTES FOR EQUIPMENT
Equipment shown in this manual is:
• designed expressly for use on these tractors;
• necessary to make a reliable repair;
• accurately built and strictly tested to offer efficient and long-lasting working life.
NOTICES
The words “front”, “rear”, “right hand”, and “left hand” refer to the different parts as seen from the operator’s seat
oriented to the normal direction of movement of the tractor.
SAFETY RULES
PAY ATTENTION TO THIS SYMBOL
This warning symbol points out important messages involving personal
safety. Carefully read the safety rules contained herein and follow advised
precautions to avoid potential hazards and safeguard your safety.
In this manual you will find this symbol together with the following
key-words:
WARNING -it gives warning about improper repair operations and potential
consequences affecting the service technician’s personal safety.
DANGER - it gives specific warning about potential dangers for personal
safety of the operator or other persons directly or indirectly involved in
the operation.
TO PREVENT ACCIDENTS
Most accidents and personal injuries taking place in workshops are due from non-observance of some essential rules
and safety precautions.
The possibility that an accident might occur with any type of machines should not be disregarded, no matter how well
the machine in question was designed and built.
A wise and careful service technician is the best precautions against accidents.
Careful observance of this basic precaution would be enough to avoid many severe accidents.
Never carry out any cleaning, lubrication or maintenance operations when the engine is running.
B013
SAFETY RULES
Generalities
• Carefully follow specified repair and maintenance procedures.
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9. INTRODUCTION
• Do not wear rings, wristwatches, jewels, unbuttoned or flapping clothing such as ties, torn clothes, scarves, open
jackets or shirts with open zips which could get caught on moving parts. Use approved safety clothing such as
anti-slipping footwear, gloves, safety goggles, helmets, etc.
• Wear safety glasses with side guards when cleaning parts using compressed air.
• Damaged or frayed wires and chains are unreliable. Do not use them for lifting or towing.
• Wear suitable protection such as approved eye protection, helmets, special clothing, gloves and footwear whenever
welding. All persons standing in the vicinity of the welding process should wear approved eye protection. NEVER
LOOK AT THE WELDING ARC IF YOUR EYES ARE NOT SUITABLY PROTECTED.
• Never carry out any repair on the machine if someone is sitting on the operator’s seat, except if they are qualified
operators assisting in the operation to be carried out.
• Never operate the machine or use attachments from a place other than sitting at the operator’s seat or at the side
of the machine when operating the fender switches.
• Never carry out any operation on the machine when the engine is running, except when specifically indicated. Stop
the engine and ensure that all pressure is relieved from hydraulic circuits before removing caps, covers, valves, etc.
• All repair and maintenance operations should be carried out with the greatest care and attention.
• Disconnect the batteries and label all controls to warn that the tractor is being serviced. Block the machine and all
equipment which should be raised.
• Never check or fill fuel tanks or batteries, nor use starting liquid if you are smoking or near open flames as such
fluids are flammable.
• The fuel filling gun should always remain in contact with the filler neck. Maintain this contact until the fuel stops
flowing into the tank to avoid possible sparks due to static electricity build-up.
• To transfer a failed tractor, use a trailer or a low loading platform trolley if available.
• To load and unload the machine from the transportation means, select a flat area providing a firm support to the
trailer or truck wheels. Firmly tie the machine to the truck or trailer platform and block wheels as required by the
transporter.
• Always use lifting equipment of appropriate capacity to lift or move heavy components.
• Chains should always be safely fastened. Ensure that fastening device is strong enough to hold the load foreseen.
No persons should stand near the fastening point.
• The working area should be always kept CLEAN and DRY. Immediately clean any spillage of water or oil.
• Never use gasoline, diesel oil or other flammable liquids as cleaning agents. Use non-flammable non-toxic propri-
etary solvents.
• Do not pile up grease or oil soaked rags, as they constitute a great fire hazard. Always place them into a metal
container.
START UP
• Never run the engine in confined spaces which are not equipped with adequate ventilation for exhaust gas extrac-
tion.
• Never bring your head, body, arms, legs, feet, hands, fingers near fans or rotating belts.
ENGINE
• Always loosen the radiator cap very slowly before removing it to allow pressure in the system to dissipate. Coolant
should be topped up only when the engine is stopped.
• Do not fill up fuel tank when the engine is running.
• Never adjust the fuel injection pump when the tractor is moving.
• Never lubricate the tractor when the engine is running.
ELECTRICAL SYSTEMS
• If it is necessary to use auxiliary batteries, cables must be connected at both sides as follows: (+) to (+) and (-) to
(-). Avoid short-circuiting the terminals. GAS RELEASED FROM BATTERIES IS HIGHLY FLAMMABLE. During
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10. SERVICE MANUAL
Engine
TD4020F
TD4030F
TD4040F
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11. Contents
Engine - 10
[10.001] Engine and crankcase............................................................................................................10.1
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12. Engine - 10
Engine and crankcase - 001
TD4020F
TD4030F
TD4040F
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13. Contents
Engine - 10
Engine and crankcase - 001
SERVICE
Engine
Remove..................................................................................................................................................................... 3
Install ....................................................................................................................................................................... 14
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14. Engine - Engine and crankcase
Engine - Remove
To access the clutch it is necessary to separate the en-
gine complete with the front axle from the transmission.
Proceed as follows:
1. Disconnect the battery negative lead (1)
2. Drain the oil from the transmission–gearbox housing.
3. Drain the cooling system.
4. Remove the exhaust pipe. Attach lifting chains (2) to
the bonnet (1) and attach the chain to the hoist.
5. Disconnect the electrical connection (1) of bonnet.
ANIL16TRO2582AA 1
ANIL16TRO2583AA 2
ANIL16TRO2584AA 3
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15. Engine - Engine and crankcase
6. Detach the gas strut (1) from the bonnet.
7. Remove the two bonnet hinge bolts (1) and take out the
spacers (2) lift the bonnet clear.
8. Remove the three retaining bolts (1) and the guard (2)
both on the right and left hand side of the engine.
9. Unscrew the nut (1) from the weight retaining pin. Re-
move the weights from the front support.
ANIL16TRO2585AA 4
ANIL16TRO2586AA 5
ANIL16TRO2587AA 6
ANIL16TRO2588AA 7
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16. Engine - Engine and crankcase
10. Unscrew the front central and rear retaining bolts on
the front axle shaft guard, then remove the guard (1) .
11. Remove the circlip (2) and move the front sleeve (1) in
the direction indicated by the arrow until it is released
from the groove on the front axle.
12. Remove the circlip (2) and move the rear sleeve (1) in
the direction indicated by the arrow until it is released
from the groove on the drive.
13. Remove the propeller shaft central support (1) retain-
ing bolts (2) and extract the shaft together with the
support
ANIL16TRO2589AA 8
ANIL16TRO2590AA 9
ANIL16TRO2591AA 10
ANIL16TRO2592AA 11
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17. Engine - Engine and crankcase
14. Disconnect the pressure pipe connection (1) of the
hydrostatic steering pump.
15. Disconnect the pressure pipe connection (1) of the lift
pump.
16. Disconnect the delivery lines of both hydraulic lift
pump (1) and hydrostatic steering pump (2) .
17. Detach the diesel recovery pipe (3) and delivery pipe
(2) to the diesel pump (1) .
ANIL16TRO2593AA 12
ANIL16TRO2594AA 13
ANIL16TRO2595AA 14
ANIL16TRO2596AA 15
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18. Engine - Engine and crankcase
18. Remove two metal clamps (1) and the rigid pipe (2)
of drawing oil from the transmission housing via lift
pump.
19. Remove the electrical floor mat (1) .
20. Remove the electrical connection from the brake fluid
reservoir and take the brake fluid reservoir (1) from the
bracket.
21. Disconnect the steering oil delivery and return hoses
(1) and (2) . Disconnect the steering cylinder lines (3)
and (4) .
ANIL16TRO2597AA 16
ANIL16TRO2598AA 17
ANIL16TRO2599AA 18
ANIL16TRO2600AA 19
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19. Engine - Engine and crankcase
22. Remove two bolts (1) securing the rear hood to the
gearbox.
23. Remove two bolts (1) securing the rear hood to the
bonnet support.
24. Disconnect the delivery (1) and return lines (2) to the
power steering cylinders.
25. Disconnect rear brakes oil distribution connection
pipes (1) and (2) .
ANIL16TRO2601AA 20
ANIL16TRO2602AA 21
ANIL16TRO2603AA 22
ANIL16TRO2604AA 23
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21. Engine - Engine and crankcase
26. Remove the fuse box (1) from the bonnet support.
27. Remove the electrical oil pressure switch (1) .
28. Remove the electrical connections of coolant temper-
ature sender (1) .
29. Remove the electrical connection hydrostatic steering
pump oil pressure switch (1) .
ANIL16TRO2605AA 24
ANIL16TRO2606AA 25
ANIL16TRO2607AA 26
ANIL16TRO2608AA 27
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22. Engine - Engine and crankcase
30. Remove the electrical connection of pump cut–out so-
lenoid sender (1) .
31. Remove the retaining bolts (1) and (2) for the support.
Remove the retaining nut (3) and detach the throttle
control tie–rod connected to the injection pump.
Remove the hand and foot throttle cables complete
with their support (4) .
32. Disconnect the electrical connection (1) between the
cab and the engine.
33. Disconnect the electrical connections from starter mo-
tor (1) .
ANIL16TRO2609AA 28
ANIL16TRO2610AA 29
ANIL16TRO2611AA 30
ANIL16TRO2612AA 31
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23. Engine - Engine and crankcase
34. Disconnect the electrical connections from alternator
(1) .
35. Disconnect the electrical connection of water in fuel
sensor (1) .
36. Remove the electrical connection of air filter clogging
sensor (1) .
37. Remove the two connectors (1) and (2) for the heater
relay.
ANIL16TRO2613AA 32
ANIL16TRO2614AA 33
ANIL16TRO2615AA 34
ANIL16TRO2616AA 35
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24. Engine - Engine and crankcase
38. Remove the two connectors of the brake lights switch
(1) .
39. Loosen the corresponding retaining clamps and ex-
tract the pipes (1) , (2) , (3) and (4) .
40. Hitch the engine to the hoist with the chains (1) an-
choring it to the attachments on the engine.
41. Engine lifting points are shown at image 39 .
ANIL16TRO2617AA 36
ANIL16TRO2618AA 37
ANIL16TRO2619AA 38
ANIL16TRO2620AA 39
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25. Engine - Engine and crankcase
42. Position two wedges (1) on the front axle to prevent
any movement of the engine about the axle pivot. Po-
sition the tractor dismantling stand , so that the fixed
support (3) is under the rear transmission housing in
the area of the engine coupling flange and the mobile
support (2) under the engine in the area of the flange
attached to the transmission housing.
43. Position another mobile stand under the front ballast
carrier to prevent any possibility of the engine turning
or tipping forwards when the transmission housing is
removed.
44. Interpose wooden blocks (1) between the stands
and the tractor, and turn the stand height adjustment
screws to bring the blocks (1) into contact with the
tractor.
45. Position a fixed stand (1) under the draw bar support
and pull on the hand brake.
BRAG12TRALL0080 40
BRAG12TRALL0081 41
LAIL11TL1134A0A 42
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