New Holland TD3.50 Tractor Service Repair Manual Instant Download (2025)

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Title: New Holland TD3.50 Tractor Service Repair Manual Instant Download

1
SERVICE MANUAL
TD3.50 Tractor
Part number 48012910 English May 2016
2016 CNHI International. All Rights Reserved.
2
Link Product / Engine
Product Market Product Engine
TD3.50 Europe 8045.45.747
48012910 23/08/2016
3
Contents INTRODUCTION Engine......................
..................................................
............... 10 10.001 Engine and crankcase
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . 10.1 10.102 Pan and
covers . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
10.2 10.106 Valve drive and gears . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 10.3 10.101 Cylinder heads . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . 10.4 10.105
Connecting rods and pistons . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
10.5 10.103 Crankshaft and flywheel. . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . 10.6 10.218 Fuel injection system. . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . 10.7 10.400 Engine cooling
system . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . 10.8 10.414 Fan
and drive . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
10.9 10.304 Engine lubrication system . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. 10.10 Clutch ..................................
..................................................
... 18 18.110 Clutch and components . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 18.1 Transmission.......................
..................................................
..... 21 21.114 Mechanical transmission .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . 21.1 21.140 Mechanical
transmission internal components. . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . 21.2 Four-Wheel Drive (4WD) system
..................................................
23 23.314 Drive shaft. . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 23.1 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 Rear axle
system............................................
............................ 27 27.100
Powered rear axle. . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
27.1 27.106 Rear bevel gear set and
differential . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . 27.2
48012910 23/08/2016
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27.120 Planetary and final drives . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. 27.3 Power Take-Off (PTO) ....................
.............................................
31 31.101 Rear mechanical control . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . 31.1 31.110 One-speed rear Power Take-Off
(PTO) . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . .
31.2 Wheels.......................................
...............................................
44 44.511 Front wheels. . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . 44.1 Electrical
systems...........................................
............................ 55 55.000
Electrical system . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. 55.1 55.100 Harnesses and connectors. . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . 55.2 55.201 Engine starting system . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . 55.3 55.301 Alternator. . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
55.4 55.302 Battery. . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . 55.5 55.408 Warning
indicators, alarms, and instruments . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . 55.6
48012910 23/08/2016
6
INTRODUCTION
48012910 23/08/2016 1
7

• INTRODUCTION
• 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 and personal integrity.
• In this manual you will find this symbol together
  with the following keywords.
• WARNING It gives warning about improper repair
  operations and potential consequences affecting
  the service tech- nicians 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
  simple and essential prudential rule and safety
  precautions.
• For this reason, in most cases they can be
  avoided. It suffices to foresee possible causes
  and act consequently with necessary caution and
  care.
• 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.

48012910 23/08/2016 3
8
INTRODUCTION

• 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.
• Use exclusively specified towing points for
  towing the tractor. Connect parts carefully.
  Ensure that foreseen pins and/or locks are
  steadily fixed before applying traction. Do not
  stop near towing bars, cables or chains working
  under load.
• 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 forwarder.
• For electrical heaters, battery-chargers and
  similar equipment use exclusive auxiliary power
  supplies with a efficient ground to avoid
  electrical shock hazard.
• Always use lifting equipment of appropriate
  capacity to lift or move heavy components.
• Pay special attention to bystanders.
• Never pour gasoline or diesel oil into open, wide
  and low containers.
• Never use petrol, diesel oil or other inflammable
  liquids as cleaning agents. Use non-flammable
  non-toxic propri- etary solvents.
• Wear safety glasses with side guards when
  cleaning parts using compressed air.
• Do not exceed a pressure of 2.1 bar, in
  accordance with local regulations.
• Do not run the engine in a closed building
  without proper ventilation.
• Do not smoke, use naked flames, or cause sparks
  in the area when fuel filling or handling highly
  inflammable liquids.
• Do not use flames as light sources when working
  on a machine or checking for leaks.
• Move with caution when working under a tractor,
  and also on or near a tractor. Wear proper safety
  accessories helmets, goggles and special
  footwear.
• During checks which should be carried out with
  the engine running, ask an assistant to seat at
  the operators seat and keep the service
  technician under visual control at any moment.
• In case of operations outside the workshop, drive
  the tractor to a flat area and block it. If
  working on an incline cannot be avoided, first
  block the tractor carefully. Move it to a flat
  area as soon as possible with a certain extent of
  safety.
• Ruined or plied cables and chains are unreliable.
  Do not use them for lifting or trailing. Always
  handle them wearing gloves of proper thickness.
• Chains should always be safely fastened. Ensure
  that fastening device is strong enough to hold
  the load foreseen. No persons should stop near
  the fastening point, trailing chains or cables.

9
SERVICE MANUAL Engine TD3.50
48012910 23/08/2016 10
10
Engine - Engine and crankcase Engine -
Sectional view Longitudinal section of 3 cylinder
engine
ANIL15TRO0027GB 1
48012910 23/08/2016 10.1 10.001 / 8
11
Engine - Engine and crankcase Engine -
Sectional view Cross section of 3 cylinder engine
ANIL15TRO0028GA 1
48012910 23/08/2016 10.1 10.001 / 9
12
Engine - Engine and crankcase
Engine - Sectional view
ANIL15TRO0029HB 1 Lubrication system of 3
cylinder engine
F. Filter S. Suction screen
G. Oil pressure gage T. Oil fill cover
L. Oil dipstick V. Pressure bypass valve
P. Pump V1. Filter bypass valve
48012910 23/08/2016 10.1 10.001 / 10
13
Engine - Engine and crankcase
ANIL15TRO0030GB 2 Engine cooling system
a. Thermostat open 3. Water temperature gage
b. Thermostat closed 4. Engine coolant temperature sender
c. 3-cylinder models 5. Fan
1. Thermostat 6. Radiator
2. Pump
48012910 23/08/2016 10.1 10.001 / 11
14
Engine - Engine and crankcase
Engine - Remove
WARNING Heavy objects! Lift and handle all heavy
components using lifting equipment with adequate
capacity. Always support units or parts with
suitable slings or hooks. Make sure the work area
is clear of all bystanders. Failure to comply
could result in death or serious injury. W0398A
CAUTION Pinch hazard! Always use suitable tools
to align mating parts. DO NOT use your hand or
fingers. Failure to comply could result in minor
or moderate injury. C0044A
1. Remove the negative (-) pole of the battery.
ANIL15TRO0031AA 1
2. Remove the guards at the right and left hand
side of the engine.
ANIL15TRO0032AA 2
3. Remove the fixing bolt (1) of the gas strut.
ANIL15TRO0034AB 3
48012910 23/08/2016 10.1 10.001 / 12
15
Engine - Engine and crankcase
4. Loosen the pins, which hold the hood, from
its socket.
ANIL15TRO0035AB 4
5. Disconnect the connections (1) from the
clogged air filter sensor.
ANIL15TRO0036AB 5
6. Disconnect the connection (1) from the coolant
water temperature sensor
ANIL15TRO0037AB 6
7. Disconnect the electrical connection of heater
on fuel system.
ANIL15TRO0038AA 7
48012910 23/08/2016 10.1 10.001 / 13
16
Engine - Engine and crankcase
8. Disconnect the electrical connection of
cut-off sender on fuel system.
ANIL15TRO0039AA 8
9. Disconnect connection of the level sender from
the brake fluid reservoir.
ANIL15TRO0040AA 9
10. Disconnect the electrical connection from KSB
unit.
ANIL15TRO0041AA 10
11. Disconnect the electrical connections from
alternator (1).
ANIL15TRO0042AB 11
48012910 23/08/2016 10.1 10.001 / 14
17
Engine - Engine and crankcase
12. Disconnect the fuse box connections and
cables be- tween the battery and starter motor.
ANIL15TRO0043AA 12
13. Disconnect the electrical socket connections
on the engine.
ANIL15TRO0044AB 13
14. Remove the bracket (1) from the pump where
hand throttle and accelerator pedal is connected.
ANIL15TRO0045AB 14
15. Remove the hand throttle and accelerator
pedal fixing support (1) from the pump.
ANIL15TRO0046AB 15
48012910 23/08/2016 10.1 10.001 / 15
18
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19
Engine - Engine and crankcase
16. Remove the fuel line bolt (1) on the fuel
delivery pump.
ANIL15TRO0047AB 16
17. Disconnect the delivery line of hydraulic
lift pump (1).
ANIL15TRO0048AB 17
18. Remove the clamp from the oil reservoir hose
and detach it.
ANIL15TRO0049AB 18
19. Remove the delivery lines (1) and pressure
sender (2) of hydrostatic steering pump.
ANIL15TRO0050AB 19
48012910 23/08/2016 10.1 10.001 / 16
20
https//www.ebooklibonline.com Hello dear
friend! Thank you very much for reading. Enter
the link into your browser. The full manual is
available for immediate download. https//www.ebo
oklibonline.com

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