SER
VICE MANUAL
TT35 2WD tractor , TT35 4WD tractor , TT40 2WD tractor , TT40 4WD tractor , TT45 2WD tractor , TT45 4WD tractor
INTRODUCTION
[10.001] Engine and crankcase
[10.102] Pan and covers
[10.106] V alve drive and gears
[10.101] Cylinder heads
[10.105] Connecting rods and pistons
Crankshaft and flywheel
[10.400] Engine cooling system
[10.304] Engine lubrication system
[18.1 10] Clutch and components
ransmission
14] Mechanical transmission
12] Power shuttle transmission
Gearbox external controls
Gearbox internal components
Front axle system
[25.100] Powered front axle
[25.400] front
[25.102] Front bevel gear set and dif ferential
[25.108] Final drive hub, steering knuckles, and shafts
Rear axle system
Powered rear axle
Rear bevel gear set and dif ferential
Power T
Planetary and final drives
ake-Of f (PT
[31.101] Rear mechanical control
[31.1 14] T wo-speed rear Power T ake-Of f (PT
Brakes and controls
Mechanical service brakes
Hydraulic systems
[35.000] Hydraulic systems
[35.104] Fixed displacement pump
[35.100] Main lift system
Steering
Steering control
Hydraulic control components
Cylinders
Wheels
Front wheels
Electrical systems
Electrical system
Harnesses and connectors
Engine starting system
Alternator
Battery
T ransmission control system
External lighting
W arning and instruments
Foreword
Important notice
All maintenance and repair operations described this manual should carried out exclusively NEW HOLLAND authorised All instructions should carefully observed and special equipment where indicated should
Anyone who carries out service operations described without carefully observing these prescriptions will directly responsible for any damage
Notes for equipment
Equipment which NEW HOLLAND proposes and shows this manual is:
- Studied and designed expressly for use NEW HOLLAND
- Necessary make reliable repair
- Accurately built and strictly tested fer ficient and long - lasting working
Notice
The words “front”, “rear”, - hand and - hand refer the dif ferent parts seen from the operator ’ s seat oriented the normal direction movement the tractor
Safety rules
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 safeguarded your safety . 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 operation.
T o prevent accidents
Most accidents and personal injuries taking place workshops are due from non - observance some essential rules and safety
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 cleaning, lubrication maintenance operations when the engine running.
Safety rules
Generalities
Carefully follow specified repair and maintenance
• not wear rings, wrist watches, jewels, unbuttoned flapping clothing such ties, torn clothes, scarves, open jackets shirts with open zips which could get caught moving Use approved safety clothing such anti - slipping footwear , safety
• W ear safety glasses with side guards when cleaning parts using compressed air
• Damaged frayed wires and chains are not use them for lifting
• W ear suitable protection such approved eye special gloves and footwear whenever All persons standing vicinity the welding process should wear approved eye Never look the welding arc your eyes are not suitably
• Never carry out any repair the machine someone sitting the operator ’ s except they are qualified operators assisting the operation carried
• Never operate the machine use attachments from a place other than sitting the operator ’ s seat the side the machine when operating the fender
• Never carry out any operation the machine when the engine running, except when specifically indicated. Stop the engine and ensure that all pressure relieved from hydraulic circuits before removing
• All repair and maintenance operations should carried out with greatest care and attention.
• Disconnect the batteries and label all controls warn that the tractor being Block the machine and all equipment which should
• Never check fill fuel tanks nor use starting liquid you are smoking near open flames such fluids are
• The fuel filling gun should always remain contact with filler Maintain this contact until the fuel stops flowing into the tank avoid possible sparks due static electricity build -
• T o transfer a failed tractor , use a trailer a low loading platform trolley available.
• T o load and unload the machine from the transportation select a flat area providing a firm support the trailer truck Firmly tie the machine the truck the trailer platform and block wheels required the transporter
• Always use lifting equipment appropriate capacity lift move heavy
• Chains should always safely Ensure that fastening device strong enough hold the load persons should stand near the fastening
• The working area should always kept clean and dry . Immediately clean any spillage water oil.
• Never use diesel oil other flammable liquids cleaning Use non - flammable non - toxic proprietary solvents.
• not pile grease oil soaked they constitute a great fire Always place them into a metal container
Start
• Never run the engine confined spaces which are not equipped with adequate ventilation for exhaust gas
• Never bring your body , fingers near fans rotating
Engine
• Always loosen the radiator cap very slowly before removing allow pressure the system Coolant should topped only when the engine stopped.
• not fill fuel tank when the engine
• Never adjust the fuel injection pump when the tractor moving. Never lubricate the tractor when the engine
Electrical systems
• necessary use auxiliary batteries, cables must connected both sides follows. (+) (+) and ( ( A void short - circuiting the Gas released from batteries highly During leave the battery compartment uncovered improve A void sparks flames near the battery not
• not charge batteries confined
• Always disconnect the batteries before performing any type service the electrical system.
Hydraulic systems
• Some fluid coming out from a very small port can almost invisible and strong enough penetrate skin. For this Never use your hands check for but use a piece cardboard a piece wood for this any fluid injected into the seek medical aid immediately Lack immediate medical attention may result serious infections
• Always take system pressure readings using the appropriate
Wheels and tires
• Check that the tires are correctly inflated the pressure specified the manufacturer Periodically check for possible damage the rims and
• Stay a the tire side when
• Check the pressure only when the tractor unloaded and tires are cold avoid wrong reading due over -
• Never cut, nor weld a rim with the inflated tire assembled.
• T o remove the block both front and rear tractor Raise the tractor and install safe and stable supports under the tractor accordance with the regulations
• Deflate the tire before removing any object caught into the tire
• Never inflate tires using flammable gases they may originate explosions and cause injuries
Removal and installation
• Lift and handle all heavy components using lifting equipment adequate capacity Ensure that parts are supported appropriate slings and Use lifting eyes provided this T ake care the persons near the loads
Safety rules
Health and safety precautions
Many the procedures associated with vehicle maintenance and repair involve physical hazards other risks This section alphabetically , some these hazardous operations and the materials and equipment ciated with The precautions necessary avoid these hazards are
The list not exhaustive and all operations and procedures and the handling should carried out with health and safety
Acid and alkalis
See battery caustic soda, sulfuric Used batteries and cleaning
Irritant and corrosive the skin, eyes, nose and throat. Causes burns.
A void splashes the eyes and W ear suitable protective gloves and Can destroy ordinary protective clothing. not breathe mists. Ensure access water and soap readily available for splashing
Adhesives and sealers
See fire highly
Generally should stored areas, cleanliness and tidiness use should observed. E.g. able paper covering benches should dispensed from applicators where possible containers including secondary should
Solvent based adhesive / sealers
See Follow manufacturer ’ s
W ater base adhesive / sealers
Those based polymer emulsions and rubber lattices may contain small amounts volatile toxic and harmful Skin and eye contact should avoided and adequate ventilation provided during Follow
Resin based adhesives / sealers
Epoxide and formaldehyde resin
Mixing should only carried out well ventilated areas harmful toxic volatile chemicals may released. Skin contact with uncured resins and hardeners can result dermatitis and absorption toxic harmful chemicals through the Splashes can damage the Provide adequate ventilation and avoid skin and eye Follow
Anaerobic, cyanoacrylate and other acrylic adhesives
Many are sensitizing harmful the Some are eye
Skin and eye contact should avoided and the instructions
Cyanaocrylate adhesives (super - glues) must not contact the skin skin eye tissue bonded cover with a clean moist pad and get medical not attempt pull tissue Use well ventilated areas vapors can cause irritation the nose and eyes.
For two - pack systems see resin based adhesives /
Isocyanate (polyurethane) adhesives / sealers
See resin based adhesives.
Individuals suf fering from asthma respiratory allergies should not work with near these materials sensitivity reactions can occur .
Any spraying should preferably carried out exhaust ventilated booths removing vapors and spray droplets form the breathing Individuals working with spray applications should wear supplied air
Antifreeze
See solvents ethylene
Highly
Used vehicle cooling systems, brake air pressure systems, screen wash solutions.
vapors given f from coolant antifreeze (glycol) arise only when
Antifreeze may absorbed through skin toxic harmful quantities. Antifreeze swallowed fatal and medical attention must found immediately
Arc welding
See Battery acids
See acids and Gases released during charging are explosive. Never use naked flames allow sparks near charging recently charged
Brake and clutch fluids (polyalkylene glycols)
See fire
Splashes the skin and eyes are slightly A void skin and eye contact far Inhalation vapor hazards not arise ambient temperatures because the very low vapor
Brazing
See Chemical materials - general
See legal
Chemical materials such resin battery brake oils and grease should always used with caution and stored and handled with care. They may toxic, harmful, corrosive irritant highly inflammable and give rise hazardous fumes and
The fects excessive exposure chemicals may immediate delayed, briefly experienced permanent, life threatening may reduce life expectancy
Do’ s
remove chemical materials from the skin and clothing soon practicable after Change heavily soiled clothing and have
carefully read and observe hazard and precaution warning given material containers (labels) and any companying poster other Material health and safety data sheets can obtained from ufacturers’.
organise work practices and protective clothing avoid soling the skin and breathing vapors / aerosols / dusts / inadequate container labelling; fire and explosion
wash before job before drinking using toilet facilities when handling chemical
keep work areas clean, uncluttered and free spills.
store according national and local
keep chemical materials out reach children. not’ s
not mix chemical materials except under the instructions. Some chemicals can form other toxic harmful chemicals give f toxic harmful fumes explosive when mixed together
not spray chemical materials, particular those based solvents, confined spaces. E.g. When people are inside a
not apply heat flame chemical materials except under the instructions. Some are highly inflammable and some may release toxic harmful
not leave containers Fumes given f can build harmful explosive Some fumes are heavier than air and will accumulate confined pits
not transfer chemical materials unlabeled
not clean hands clothing with chemical particularly solvents and fuels will dry the skin and may cause irritation with Some can absorbed through the skin toxic harmful
not use emptied containers for other except when they have been cleaned under supervised
not snif f smell chemical Brief exposure high concentrations fumes can toxic
Clutch fluids
See brake and clutch
Clutch linings and pads
See brake and clutch linings and pads.
Corrosion protection materials
See solvents, fire.
Highly
These materials are varied and the instructions should followed. They may contain solvents, resins, petroleum products skin and eye contact should They should only sprayed conditions quate ventilation and not confined
Cutting
See - waxing
See solvents and fuels
Dusts
Powder , dusts clouds may irritant, harmful toxic. A void breathing dusts from powdery chemical materials those arising from dry abrasion W ear respiratory protection ventilation
Electric shocks
Electric shocks can result from the use the faulty electrical equipment from the misuse equipment even good
Ensure that electrical equipment maintained good condition and frequently
Ensure that plugs and sockets are not cracked otherwise
Ensure that electric equipment protected the correct rated
Never misuse electrical equipment and never use equipment which anyway faulty . The results could fatal.
Use reduced voltage equipment where possible preference electrical cases electrocution:
• Switch f electricity before approaching
• this not possible, push drag victim from source electricity using dry non - conductive material.
• Commence resuscitation trained
• Summon medical assistance
Exhaust fumes
These contain asphyxiating, harmful and toxic chemicals and particles such carbon oxides, nitrogen oxides, lead and aromatic Engines should only run under conditions adequate extraction general ventilator and not confined
Gasoline (petrol) engine
There may not adequate warning properties odor irritation before immediate and delayed toxic harmful fects
Diesel engine discomfort and irritation usually give adequate warning hazardous fume
Fiber insulation
See
Used noise and sound
The fibrous nature surfaces and cut edges can cause skin This usually a physical and not a chemical
Precautions should taken avoid excessive skin contact through careful organization work practices and the use
Fire
See legal
Many the materials found associated with the repair vehicles are highly Some give f toxic harmful fumes
INTRODUCTION
Observe strict fire safety when storing and handling flammable materials particularly near electrical ment welding
Ensure before using electrical welding equipment but that there fire hazard
Have suitable fire extinguisher available when using welding heating equipment.
First aid
Apart from meeting any legal requirements its i desirable for someone the workshop trained first aid
Splashes the eye should flushed with clean water for least min
Soiled skin should washed with soap and water
Inhalation fected individuals should removed fresh air immediately swallowed fects persist consult a doctor with information (label) material not induce vomiting (unless indicated manufacturer).
Foams
See fire.
Used sound and noise Cured foams used seat and trim
Follow reacted components are irritating and may harmful the skin and W ear gloves and
Individuals with chronic respiratory diseases, asthma, bronchial medical problems histories allergic diseases should not work with near uncured
The components, vapors, spray mists can cause direct irritation, sensitivity reactions and may toxic harmful.
vapors and spray mists must not These materials must applied with adequate ventilation and respiratory not remove respirator immediately after wait until vapor / mists have
Burning the uncured components and the cured foams can generate toxic and harmful
Smoking, open flames the use electrical equipment during foaming operations and until vapors / mists have cleared should not Any heat cutting cured foams partially cured foams should conducted with extraction
Fuels
See legal chemicalsUsed fuels and cleaning
Gasoline (petrol)
Highly
Swallowing can result mouth and throat irritation and absorption from the stomach can result drowsiness and Small amounts can fatal Aspiration liquid into the through a very serious
Gasoline dries the skin and can cause irritation and dermatitis prolonged repeated Liquid the eye causes severe
Motor gasoline may contain
appreciable quantities benzene, which toxic upon inhalation and the concentrations gasoline vapors must kept very low High concentrations will cause nose and throat depression and symptoms V ery high concentrations will result rapid loss
Ensure there adequate ventilation when handling and using Great care must taken avoid the serious consequences inhalation the event vapor build arising from spillages confined
Special precautions apply cleaning and maintenance operations gasoline storage Gasoline should not used a cleaning must not siphoned
Kerosene (paraffin)
Used also heating solvent and cleaning
Irritation the mouth and throat may result from The main hazard from swallowing arises liquid ration into the lungs Liquid contact dries the skin and can cause irritation Splashes the eye may slightly
normal circumstances the low volatility does not give rise harmful Exposure mists and vapors from kerosene elevated temperatures should avoided (mists may arise - A void skin and eye contact and ensure there adequate ventilation.
Gas - oil (diesel fuel)
See fuels (kerosene). Combustible.
Gross prolonged skin contact with high boiling gas oils may also cause serious skin disorders including skin cancer
Gas cylinders
See Gases such carbon argon and propane are normally stored cylinders pressures 2000 / / m2) and great care should taken handling these cylinders avoid mechanical damage them the valve gear attached. The contents each cylinder should clearly identified appropriate
Cylinders should stored well ventilated and protected from ice and snow , direct Fuel gases acetylene and propane) should not stored close proximity oxygen
Care should exercised prevent leaks from gas cylinders and and avoid sources Only trained personnel should undertake work involving gas
Gases
See gas
Gas shielded welding
See Gas welding
See
General workshop tools and equipment
essential that all tools and equipment are maintained good condition and the correct safety equipment used where
Never use tools equipment for any purpose other than that for which they were
Never overload equipment such axle and chassis stands lifting Damage caused loading not always immediately apparent and may result a fatal failure the next time that the equipment
not use damaged defective tools particularly high speed equipment such grinding A damaged grinding wheel can disintegrate without warning and cause serious injury
W ear suitable eye protection when using chiselling sand blasting
W ear a suitable breathing mask when using sand blasting equipment, working with asbestos based materials using spraying
Glues
See adhesives and
High pressure air , lubrication and oil test equipment
See lubricants and
Always keep high pressure equipment good condition and regularly particularly joints and
Never direct a high pressure nozzle the skin the fluid may penetrate the underlying tissue and cause serious injury
Legal aspects
Many laws and regulations make requirements relating health and safety the use materials and equipment
W orkshops should familiar , with associated laws and Consult local factory inspectorate any
Lubricants and greases
A void all prolonged and repeated contact with mineral especially used Used oils contaminated during service routine service change sump oils) are more irritating and more likely cause serious fects including skin cancer the event gross and prolonged skin contact.
W ash skin thoroughly after work involving Proprietary hand cleaners may value provided they can removed from the skin with water . not use petrol, paraf fin other solvents remove oil from the skin.
Lubricants and greases may slightly irritating the
Repeated prolonged skin contact should avoided wearing protective clothing necessary . Particular care should taken with used oils and greases containing not allow work clothing contaminated with Dry clean launder such clothing regular Discard oil soaked
not employ used engine oils lubricants for any application where appreciable skin contact likely occur Used oils may only disposed accordance with local
There are publications describing the problems and advising precautionary
Noise insulation materials
See fibre
Paints
See solvents and chemical materialsHighly
One pack
Can contain harmful toxic driers and other components well Spraying should only carried out with adequate
T pack
Can also contain harmful and toxic unreacted resins and resin hardening agents. The instructions should followed and the resin based isocyanate containing adhesives and foams should
Spraying should preferably carried out exhausted ventilated booths removing vapor and spray mists from the breathing Individuals working booths should wear respiratory Those doing small scale repair work the open shop should wear supplied air respirators.
Paint thinners
See solvents.
Petrol
See fuels
Pressurised equipment
See high pressure air , lubrication and oil test
Resistance welding
See Sealers
See adhesives and Solder
See Solders are mixtures metals such that the melting point the mixture below that the constituent metals mally lead and Solder application does not normally give rise toxic lead provided a gas / air flame Oxy - acetylene flames should not they are much hotter and will cause lead fumes
Some fumes may produced the application any flame surfaces coated with grease etc. and inhalation these should
Removal excess solder should under taken with care, ensure that fine lead dust not produced, which can give toxic fects Respiratory protection may necessary
Solder spillage and filing should collected and removed promptly prevent general air contamination lead.
High standards personal hygiene are necessary order avoid indigestion lead inhalation solder dust from clothing.
Solvents
See chemical materials - general fuels (kerosene), fire. white
Used cleaning materials,waxing, paints, plastics, resins, thinners etc.
Highly
Skin contact will decrease the skin and may result irritation and dermatitis following repeated prolonged Some can absorbed through the skin toxic harmful
Splashes the eye may cause severe irritation and could lead loss
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