New Holland TD3.50 Tractor Service Repair Manual

SERVICE

Part number 48012910

English May 2016

Connecting rods and pistons

Crankshaft and flywheel

Fuel injection system Engine cooling system

Fan and drive

Drive shaft Front axle system

Powered front axle .

Front bevel gear set and dif

Final drive steering and shafts

Rear axle system

Powered rear axle

Rear bevel gear set and dif

Safety rules

Pay attention this symbol

This warning symbol points out important messages involving personal safety . Carefully read the safety rules contained herein and follow advised precautions avoid potential hazards and safeguard your safety and personal integrity

this manual you will find this symbol together with the following

W ARNING: gives warning about improper repair operations and potential consequences fecting the service s personal safety

DANGER: gives specific warning about potential dangers for personal safety the operator other persons directly indirectly involved the

T o prevent accidents

Most accidents and personal injuries taking place workshops are due from non - observance some simple and essential prudential rule and safety

For this most cases they can suf fices foresee possible causes and act consequently with necessary caution and

The possibility that accident might occur with any type machines should not matter how well the machine question was designed and

A wise and careful service technician the best precautions against Careful observance this only basic precaution would enough avoid many severe

DANGER

Never carry out any lubrication maintenance operations when the engine

General

Carefully follow specified repair and maintenance

• not wear wrist jewelry , unbuttoned loose articles clothing such as: torn open jackets shirts with open zips which may remain entangled moving W e advise use approved safety clothing such anti - slipping footwear , gloves, safety goggles, helmets, etc.

• Never carry out any repair the machine someone sitting the operator ’ s except they are certified operators assist the operation carried out.

• Never operate the machine use attachments from a place other than sitting the operator ’ s

• Never carry out any operation the machine when the engine except when specifically

• Stop the engine and ensure that all pressure relieved from hydraulic circuits before removing

• All repair and maintenance operations must carried out using extreme care and

• Service steps and platforms used a workshop the field should built compliance with the safety rules force.

• Disconnect the batteries and label all controls indicate that the vehicle being Block the machine and all equipment which should raised.

• Never check fill fuel tanks nor use starting liquid you are smoking near open flames such fluids are

• Brakes are inoperative when they are manually released for maintenance such the machine should kept constantly under control using blocks similar

• The fuel filling gun should always remain contact with the filler Maintain this contact until the fuel stops flowing into the tank avoid possible sparks due static electricity build -

• Use exclusively specified towing points for towing the tractor Connect parts carefully Ensure that foreseen pins and / locks are steadily fixed before applying not stop near towing cables chains working under load.

• T o transfer a failed tractor , use a trailer a low loading platform trolley

• T o load and unload the machine from the transportation means, select a flat area providing a firm support the trailer truck Firmly tie the machine the truck trailer platform and block wheels required the forwarder

• For electrical battery - chargers and similar equipment use exclusive auxiliary power supplies with a ficient ground avoid electrical shock

• Always use lifting equipment appropriate capacity lift move heavy

• Pay special attention

• Never pour gasoline diesel oil into open, wide and low containers.

• Never use diesel oil other inflammable liquids cleaning Use non - flammable non - toxic proprietary solvents.

• W ear safety glasses with side guards when cleaning parts using compressed air

• not exceed a pressure bar , accordance with local

• not run the engine a closed building without proper

• not use naked cause sparks the area when fuel filling handling highly inflammable

• not use flames light sources when working a machine checking for

• Move with caution when working under a tractor , and also near a tractor W ear proper safety accessories: goggles and special footwear

• During checks which should carried out with the engine ask assistant seat the operator ’ s seat and keep the service technician under visual control any moment.

• case operations outside the drive the tractor a flat area and block working incline cannot first block the tractor carefully Move a flat area soon possible with a certain extent safety

• Ruined plied cables and chains are not use them for lifting Always handle them wearing gloves proper

• Chains should always safely Ensure that fastening device strong enough hold the load persons should stop near the fastening point, trailing chains cables.

• The working area should always kept CLEAN and Y Immediately clean any spillage water

• not pile grease oil soaked rags, they constitute a great fire hazard. Always place them into a metal container

Before starting the tractor its adjust and block the operator ’ s Also ensure that there are persons within the tractor attachment operating range.

• not keep your pockets any object which might fall unobserved into the tractor ’ s inner

• Whenever there the possibility being reached ejected metal parts similar , use protection eye mask goggles with side special footwear and heavy

• W ear suitable protection such tinted eye special gloves and footwear whenever necessary carry out welding All persons standing the vicinity the welding process should wear tinted eye NEVER LOOK A T THE WELDING ARC YOUR EYES ARE NOT SUIT ABL Y

• Metal cables with the use get Always wear adequate protections (heavy eye

• Handle all parts with the greatest Keep your hands and fingers far from moving gears and similar Always use approved protective equipment, such eye protection, heavy gloves and protective footwear .

Start

• Never run the engine confined spaces that are not equipped with adequate ventilation for exhaust gas extraction.

• Never place the body , hands fingers near fans rotating

48012910 23/08/2016

Engine - Sectional view

Longitudinal section 3 cylinder engine

ANIL15TRO0027GB

Engine - Engine and crankcase

Engine - Sectional view

Cross section 3 cylinder engine

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Engine - Sectional view

ANIL15TRO0029HB 1 Lubrication system 3 cylinder engine

F Filter Suction screen

Oil pressure gage T . Oil fill cover

Oil dipstick V Pressure bypass valve

P Pump Filter bypass valve

48012910 23/08/2016

Thermostat open

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Engine cooling system

W ater temperature gage

Thermostat closed Engine coolant temperature sender

3 - cylinder models Fan

Thermostat Radiator Pump

Engine - Engine and crankcase

Engine - Remove W ARNING

Heavy objects!

Lift and handle all heavy components using lifting equipment with adequate capacity . Always support units parts with suitable slings hooks. Make sure the work area clear all bystanders.

Failure comply could result death serious injury

CAUTION

Pinch hazard!

Always use suitable tools align mating NOT use your hand

Failure comply could result minor moderate injury .

Remove the negative ( pole the battery .

Remove the guards the right and left hand side the engine.

Remove the fixing bolt (1) the gas

Loosen the pins, which hold the hood, from it’ s socket.

Disconnect the connections (1) from the clogged air filter sensor

Disconnect the connection (1) from the coolant water temperature sensor

Disconnect the electrical connection heater fuel

Disconnect the electrical connection cut - f sender fuel

Disconnect connection the level sender from the brake fluid reservoir

Disconnect the electrical connection from KSB

Disconnect the electrical connections from alternator (1)

12. Disconnect the fuse box connections and cables tween the battery and starter motor

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13. Disconnect the electrical socket connections the

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Remove the bracket (1) from the pump where hand throttle and accelerator pedal

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Remove the hand throttle and accelerator pedal fixing support (1) from the pump.

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16. Remove the fuel line bolt (1) the fuel delivery pump.

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Disconnect the delivery line hydraulic lift pump (1)

ANIL15TRO0048AB Remove the clamp from the oil reservoir hose and detach it.

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Remove the delivery lines (1) and pressure sender (2) hydrostatic steering

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20. Remove the clamp from the rubber hose line draulic lift pump delivery

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Disconnect the electrical connections (1) from fuel float (4) and remove the fuel return line connection (2)

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Remove the suction and pressure lines from static steering cylinder .

Remove the radiator hose clamps (1) Drain the ing system coolant

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24. Remove front, middle and rear fixing bolts from 4WD shaft shield and remove the

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Remove the snap ring (2) the front axle side the 4WD Slide the sleeve (1) the direction arrow , indicated the figure

Remove the snap ring (2) the 4WD transmission side the 4WD shaft. Slide the sleeve (1) the tion shown the figure , until the shaft

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Remove the middle support bolts (1) the 4WD shaft and take out the 4WD shaft together with its

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Engine - Engine and crankcase

28. Place a rotating stand (1) under the engine sion body and place a block both sides prevent rotation the

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Place a wooden block (1) between the stands and tractor

Position a fixed stand (1) under the draw bar support and engage the hand brake.

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Remove ten bolts (1) fixing the engine the

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Engine - Engine and crankcase

32. Separate the engine from the transmission.

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Insert the fixed stand (1) under the front ballast and secure the front wheels with wooden blocks (2)

NOTE: After separating the engine from the transmission follow the following steps procedure separate front axle support.

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Remove two metal clamps (1) from the turbocharger

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Remove engine air intake hose connections located the intake

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Engine - Engine and crankcase

T ake out the metal clamps securing the turbocharger (1)

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Remove connection clamps (1) the cooling system

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Remove the fixing clamps (1) the connection hoses the top the radiator .

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Remove the bolts fixing the engine the front axle

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40. Connect the crane the adjustable chain (1) fixed lifting lugs the Lift the engine f a suitable place separating front axle support.

Engine - Engine and crankcase

Engine - Install

Lift the engine prescribed three points using able Position the engine the front axle

Assemble two bodies using 4 safety

Shift the rotating stand from under the dif ferential case towards engine oil Place a suitable wooden block between the stand and engine

Connect the lower connection hose the radiator the water pump secure both ends the hose with suitable

Install the metal clamps securing the turbocharger

Install engine air intake hose connections located the intake

Make the connections turbocharger

Insert the fixed stand under the front ballast and secure the front wheels with wooden blocks.

Install ten bolts fixing the engine the

Position a fixed stand under the drawbar

Install the 4WD and

1 Place a wooden block between the stands and tractor

12. Connect the 4WD shaft and install the guard.

Make the electrical connections fuel float and install the fuel return line

Use suitable sealants for matching surfaces the gine. Use suitable sealants for studs the engine. Place suitable gaskets the studs the

Connect delivery lines the hydrostatic steering

Install oil reservoir connection

Install the delivery lines hydraulic lift

18. Make fuel line connection the delivery pump.

Connect the hand throttle and accelerator pedal bles the

Install electrical connection wire the

Refit the front ballast together with the Fill the radiator

Connect the battery pole

Engine - Engine and crankcase

Engine - Disassemble W ARNING

Heavy objects!

Lift and handle all heavy components using lifting equipment with adequate capacity . Always support units parts with suitable slings hooks. Make sure the work area clear all bystanders. Failure comply could result death serious injury

Drain the engine T ake the engine assembly a suitable stand using such equipment chains and hooks (1)

Remove the oil filter (1)

Remove the bolts (1) fixing the fan unit and water pump pulley

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Loosen the alternator fixing bolts (1) .

Engine - Engine and crankcase

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Loosen the belt tensioner adjusting bolt (1)

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Remove the engine belts (1) (Compressor , A / C and fan belt).

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Remove the alternator (1) from its housing engine

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Remove

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the lower pipe piece (1) and paper gasket (2) the water ANIL15TRO0079AB 8

Remove the water pump and fan pulley (1) fixing bolts (2) ANIL15TRO0080AB 9

Remove the water pump and fan pulley (1)

1 Unscrew the fixing bolts (2) and remove the coolant pump (1) together with the ANIL15TRO0082AB

Engine - Engine and crankcase

12. Remove the bolts (1) the thermostat housing and remove the thermostat

ANIL15TRO0083AB

Remove the bolts the pump support (1) and silencer support and take out both

ANIL15TRO0084AB

Install support number 380000313 (1) the engine order allow the engine fixed rotating stand 380000201

Insert a plug (1) the position where the silencer support fixed the front side the Lift the engine from the wooden platform and carry stand 380000301 (2) Fix the engine together with bracket (3)

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Engine - Engine and crankcase

Remove the turbocharger oil return pipe connection (1)

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17. Remove the turbocharger lubrication oil supply pipe connection (1)

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Remove the turbocharger oil return pipe (1)

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Remove the turbocharger unit (1) entirely

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20. T ake out the exhaust manifold (1) .

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Remove and separate air hose connection (1) nected LDA valve intake

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Remove the bolts (1) fixing the intake manifold gine and take out the intake manifold.

Remove the connections (1) lift pump and take out the fuel

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