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New Holland TK65 User manual

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TK65 -- TK75 -- TK76 -- TK85 -- TK95
TRACTORS
SERVICE MANUAL
SECTIONS
GENERAL GUIDELINES 00........................................
ENGINE 10......................................................
CLUTCH 18......................................................
TRANSMISSIONS 21..............................................
REAR MECHANICAL TRANSMISSION 27...........................
POWER TAKE- OFF 31............................................
BRAKES 33......................................................
HYDRAULIC SYSTEMS 35........................................
STEERING CLUTCHES 46.........................................
SUSPENSION AND TRACKS 48...................................
ELECTRICAL SYSTEM 55.........................................
SERVICE
6035438100
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SECTION 00 -- GENERAL -- CHAPTER 1 1
603.54.381.00 -- 05 -- 2001
GENERAL INSTRUCTIONS
IMPORTANT NOTICE
All maintenance and repair work described in this manual must be performed exclusively by NEW HOLLAND
service technicians, in strict accordance with the instructions given and using any specific tools necessary.
Anyone performing the operations described herein without strictly following the instructions is personally re-
sponsible for any eventual injury or damage to property.
BATTERY
Before carrying out any kind of service operations, disconnect and isolate the battery negative lead, unless other-
wise requested for specific operations (e.g.: operations that require the engine running). Once the specific oper-
ation has been completed, disconnect the lead in order to complete the operation.
SHIMMING
For each adjustment operation, select adjusting shims and measure individually using a micrometer, then add
up the recorder values. Do not rely on measuring the entire shimming set, which may be incorrect, or the rated
value indicated for each on shim.
ROTATING SHAFT SEALS
For correct rotating shaft seal installation, proceed as follows:
-- before assembly, allow the seal to soak in the oil it will be sealing for at least thirty minutes;
-- thoroughly clean the shaft and check that the working surface on the shaft is not damaged;
-- position the sealing lip facing the fluid; with hydrodynamic lips, take into consideration the shaft rotation direc-
tion and position the grooves so that they will deviate the fluid towards the inner side of the seal;
-- coat the sealing lip with a thin layer of lubricant (use oil rather than grease) and fill the gap between the sealing
lip and the dust lip on double lip seals with grease;
-- insert the seal in its seat and press down using a flat punch; do not tap the seal with a hammer or mallet;
-- whilst inserting the seal, check that the it is perpendicular to the seat; once settled, make sure that it makes
contact with the thrust element, if required;
-- to prevent damaging the seal lip on the shaft, position a protective guard during installation operations.
O--RING “SEALS”
Lubricate the O--RING seals before inserting them in the seats, this will prevent them from overturning and twist-
ing, which would jeopardise sealing efficiency.
SEALING COMPOUNDS
Apply one of the following sealing compounds on the mating surfaces marked with an X: RTV SILMATE, RHO-
DORSIL CAF 1 or LOCTITE 510 or SILASTIC AP black.
Before applying the sealing compound, prepare the surfaces as follows:
-- remove any incrustations using a wire brush;
-- thoroughly de--grease the surfaces using one of the following cleaning agents: trichlorethylene, petrol or a
water and soda solution.
BEARINGS
When installing bearings it is advised to:
-- heat the bearings to 80 to 90 0C (176 to 194 0F) before fitting on the shafts;
-- allow the bearings to cool before installing them from the outside.
SPRING PINS
When fitting split socket elastic pins, ensure that the pin notch is positioned in the direction of the force required
to stress the pin.
Spiral spring pins do not require special positioning.
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2SECTION 00 -- GENERAL -- CHAPTER 1
603.54.381.00 -- 05 -- 2001
FRONT SEALS
Carefully check the metal rings, making sure that the
sealing surfaces show no signs of scoring, dents or
wear caused by ring pair misalignment or surface
flatness errors.
Even if only one of the rings is faulty, change the en-
tire seal.
Never pair a used ring with a new one or use different
pairs of rings.
To fit the seals, proceed as follows.
1. Eliminate any sharp edges or burr and carefully
clean the seats for the rubber rings.
2. Thoroughly clean the rings on the seals.
3. Insert each metal ring (2) on the respective
rubber ring (1), as shown in the drawing, acting
on the points indicated by the arrows.
1
4. Make sure that the metal ring is fitted correctly,
checking that measurement (A) is constant on all
of the circumference.
5. Assemble each pair of rings in their respective
seats (1), manually positioning the rubber ring
(as shown in figure
2
6. Before terminating assembly operations, clean
the sealing surfaces (1) with a clean (not frayed)
cloth and pour a thin covering of fluid oil over the
surfaces.
3
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SECTION 00 -- GENERAL -- CHAPTER 1 3
603.54.381.00 -- 05 -- 2001
SPARE PARTS
Only use original NEW HOLLAND spare parts bearing the logo shown below.
4
Only original spare parts guarantee the same quality, duration and safety as they are the same parts that are
assembled during production.
Only original NEW HOLLAND parts can offer this guarantee.
When ordering spare parts, always provide the following information:
-- vehicle model (commercial name) and frame number;
-- engine type and number;
-- part number of the ordered part, which can be found in the “Microfiches” or the “Spare Parts Catalogue”, used
for order processing.
TOOLS
The tools that NEW HOLLAND propose and illustrate in this manual are:
-- specifically researched and designed for use with NEW HOLLAND vehicles;
-- essential for reliable repair operations;
-- accurately built and rigorously tested so as to offer efficient and long--lasting operation.
By using these tools, repair personnel will benefit from:
-- operating in optimal technical conditions;
-- obtaining the best results;
-- saving time and effort;
-- working in safe conditions.
CAUTION
Wear limit values indicated for certain parts are recommended, but not binding. The terms “front”, “rear”, “right--
hand” and “left--hand” (when referred to different parts) are intended as seen from the driving position with the
vehicle in the normal direction of movement.
MOVING THE TRACTOR WITH THE BATTERY REMOVED
External power supply cables should only be connected to the respective positive and negative cable terminals,
using efficient clamps that guarantee adequate and secure contact.
Disconnect all services (lights, windshield wipers, etc.) before starting the vehicle.
If the vehicle electrical system requires checking, carry out operations with the power supply connected; once
checking is completed, disconnect all services and switch off the power supply before disconnecting the cables.
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4SECTION 00 -- GENERAL -- CHAPTER 1
603.54.381.00 -- 05 -- 2001
SAFETY REGULATIONS
WARNING AND DANGER SYMBOL
This warning symbol points out important messages
concerning your safety.
Carefully read the following safety regulations and
observe advised precautions in order to avoid poten-
tial hazards and safeguard your health and safety.
In this manual the symbol is accompanied by the fol-
lowing key--words:
CAUTION -- Warnings concerning unsuitable repair
operations that may jeopardise the safety of Service
personnel.
DANGER Specific warnings concerning potential
hazards for operator safety or for other persons di-
rectly or indirectly involved.
ACCIDENT PREVENTION
Most accidents or injuries that occur in workshops
are the result of non--observance of simple and fun-
damental safety regulations. For this reason, IN
MOST CASES THESE ACCIDENTS CAN BE
AVOIDED by foreseeing possible causes and conse-
quently acting with the necessary caution and care.
Accidents may occur with all types of vehicles, re-
gardless of how well it was designed and built.
A careful and judicious service technician is the best
guarantee against accidents.
Precise observance of the most basic safety rule is
normally sufficient to avoid many serious accidents.
DANGER. Never carry out any cleaning, lubrication
or maintenance operations when the engine is run-
ning.
SAFETY REGULATIONS
GENERAL GUIDELINES
-- Carefully follow specified repair and mainten-
ance procedures.
-- Do not wear rings, wristwatches, jewellery, un-
buttoned or loose articles of clothing such as:
ties, torn clothing, scarves, open jackets or shirts
with open zips that may remain entangled in
moving parts. It is advised to wear approved
safety clothing, e.g.: non--slip footwear, gloves,
safety goggles, helmets, etc.
5
-- Do not carry out repair operations with someone
sitting in the driver’s seat, unless the person is a
trained technician who is assisting with the oper-
ation in question.
-- Do not operate the vehicle or use any of the im-
plements from different positions, other than the
driver’s seat.
-- Do not carry out operations on the vehicle with
the engine running, unless specifically indicated.
-- Stop the engine and check that the hydraulic cir-
cuits are pressure--free before removing caps,
covers, valves, etc.
-- All repair and maintenance operations must be
carried out using extreme care and attention.
-- Service steps and platforms used in the work-
shop or elsewhere should be built according to
standard accident prevention regulations.
-- Disconnect the batteries and label all controls to
indicate that the vehicle is being serviced. Any
parts that are to be raised must be locked in posi-
tion.
-- Do not check or fill fuel tanks, accumulator bat-
teries, nor use starting liquid when smoking or
near naked flames, as these fluids are inflam-
mable.
-- Brakes are inoperative when manually released
for repair or maintenance purposes. Use blocks
or similar devices to control the machine in these
conditions.
-- The fuel nozzle should always be in contact with
the filling aperture. Maintain this position until fill-
ing operations are completed in order to avoid
possible sparks caused by the accumulation of
static electricity.
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SECTION 00 -- GENERAL -- CHAPTER 1 5
603.54.381.00 -- 05 -- 2001
-- Only use specified towing points for towing the
tractor. Connect parts carefully. Make sure that
all pins and/or locks are secured in position be-
fore applying traction. Never remain near the
towing bars, cables or chains that are operating
under load.
-- Transport vehicles that cannot be driven using a
trailer or a low--loading platform trolley, if avail-
able.
-- When loading or unloading the vehicle from the
trailer (or other means of transport), select a flat
area capable of sustaining the trailer or truck
wheels. Firmly secure the tractor to the truck or
trailer and lock the wheels in the position used by
the carrier.
-- Electric heaters, battery--chargers and similar
equipment must only be powered by auxiliary
power supplies with efficient ground insulation to
avoid electrical shock hazards.
-- Always use suitable hoisting or lifting devices
when raising or moving heavy parts.
-- Take extra care if bystanders are present.
-- Never pour gasoline or diesel oil into open, wide
or low containers.
-- Never use gasoline, diesel oil or other inflam-
mable liquids as cleaning agents. Use non--in-
flammable, non toxic commercially available sol-
vents.
-- Wear safety goggles with side guards when
cleaning parts with compressed air.
-- Limit the air pressure to a maximum of 2.1 bar
(30.46 psi), according to local regulations.
-- Do not run the engine in confined spaces without
suitable ventilation.
-- Do not smoke, use naked flames, or cause
sparks in the area when fuel filling or handling
highly inflammable liquids.
-- Never use naked flames for lighting when work-
ing on the machine or checking for“leaks.
-- All movements must be carried out carefully
when working under, on or near the vehicle.
Wear protective equipment: helmets, goggles
and special footwear.
-- When carrying out checks with the engine run-
ning, request the assistance of an operator in the
driver’s seat. The operator must maintain visual
contact with the service technician at all times.
-- If operating outside the workshop, position the
vehicle on a flat surface and lock in position. If
working on a slope, lock the vehicle in position.
Move to a flat area as soon as is safely possible.
-- Damaged or bent chains or cables are unreliable.
Do not use them for lifting or towing. Always use
suitable protective gloves when handling chains
or cables.
-- Chains should always be safely secured. Make
sure that the hitch--up point is capable of sustain-
ing the load in question. Keep the area near the
hitch--up point, chains or cables free of all by-
standers.
-- Maintenance and repair operations must be car-
ried out in a CLEAN and DRY area. Eliminate any
water or oil spillage immediately.
-- Do not create piles of oil or grease--soaked rags
as they represent a serious fire hazard. Always
store rags in a closed metal container.
Before starting the vehicle or implements, make
sure that the driver’s seat is locked in position.
Also check that there are no persons within the
tractor or implement range of action.
-- Empty pockets of all objects that may fall unob-
served into the vehicle parts.
-- In the presence of protruding metal parts, use
protective goggles or goggles with side guards,
helmets, special footwear and gloves.
-- When welding, use protective safety devices:
tinted safety goggles, helmets, special overalls,
gloves and footwear. All persons present in the
area where welding is taking place must wear
tinted goggles. NEVER LOOK DIRECTLY AT
THE WELDING ARC WITHOUT SUITABLE
EYE PROTECTION.
-- Metal cables tend to fray with repeated use. Al-
ways use suitable protective devices (gloves,
goggles, etc.) when handling cables.
-- Handle all parts carefully. Do not put your hands
or fingers between moving parts. Wear suitable
safety clothing -- safety goggles, gloves and
shoes.
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6SECTION 00 -- GENERAL -- CHAPTER 1
603.54.381.00 -- 05 -- 2001
START UP
-- Never run the engine in confined spaces that are
not equipped with adequate ventilation for ex-
haust gas extraction.
-- Never place the head, body, limbs, feet, hands or
fingers near fans or rotating belts.
ENGINE
-- Always loosen the radiator cap slowly before re-
moving it to allow any remaining pressure in the
system to be discharged. Filling up with coolant
should only be carried out with the engine
stopped or idling (if hot).
-- Never fill up with fuel when the engine is running,
especially if hot, in order to prevent the outbreak
of fire as a result of fuel spillage.
-- Never check or adjust fan belt tension when the
engine is running.
Never adjust the fuel injection pump when the ve-
hicle is moving.
-- Never lubricate the vehicle when the engine is
running.
ELECTRICAL SYSTEMS
-- If it is necessary to use auxiliary batteries, re-
member that both ends of the cables must be
connected as follows: (+) with (+) and (--) with (--).
Avoid short--circuiting the terminals. GAS RE-
LEASED FROM BATTERIES IS HIGHLY IN-
FLAMMABLE. During charging, leave the bat-
tery compartment uncovered to improve
ventilation. Never check the battery charge using
“jumpers” (metal objects placed on the ter-
minals). Avoid sparks or flames near the battery
zone. Do not smoke to prevent explosion haz-
ards.
-- Before servicing operations, check for fuel or
current leaks. Eliminate any eventual leaks be-
fore proceeding with work.
-- Never charge batteries in confined spaces. Make
sure that there is adequate ventilation in order to
prevent accidental explosion hazards as a result
of the accumulation of gases released during
charging operations.
-- Always disconnect the batteries before perform-
ing any kind of servicing on the electrical system.
HYDRAULIC SYSTEMS
-- A liquid leaking from a tiny hole may be almost
invisible but, at the same time, be powerful
enough to penetrate the skin; Therefore, NEVER
USE HANDS TO CHECK FOR LEAKS. Use a
piece of cardboard or wood for this purpose. If
any liquid penetrates skin tissue, call for medical
aid immediately. Failure to treat this condition
with correct medical procedure may result in seri-
ous infection or dermatosis.
-- In order to check the pressure in the system use
suitable instruments.
WHEELS AND TYRES
-- Make sure that the tyres are correctly inflated at
the pressure specified by the manufacturer.
Periodically check the rims and tyres for dam-
age.
-- Stand away from (at the side of) the tyre when
checking inflation pressure.
-- Only check pressure when the tractor is un-
loaded and the tyres are cold, to avoid incorrect
readings as a result of over--pressure. Do not use
parts of recovered wheels as incorrect welding
brazing or heating may weaken and eventually
cause damage to the wheel.
-- Never cut or weld a rim mounted with an inflated
tyre.
-- To remove the wheels, lock both the front and
rear vehicle wheels. After having raised the ve-
hicle, position supports underneath, according to
regulations in force.
-- Deflate the tyre before removing any objects that
may be jammed in the tyre tread.
-- Never inflate tyres using inflammable gases; as
this may result in explosions and injury to by-
standers.
REMOVAL AND RE--FITTING
-- Lift and handle all heavy parts using suitable ho-
isting equipment. Make sure that parts are sus-
tained by appropriate hooks and slings. Use the
hoisting eyebolts for lifting operations. Extra care
should be taken if persons are present near the
load to be lifted.
-- Handle all parts carefully. Do not put your hands
or fingers between parts. Wear suitable safety
clothing -- safety goggles, gloves and shoes.
-- Avoid twisting chains or metal cables. Always
wear safety gloves when handling cables or
chains.
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SECTION 00 -- GENERAL -- CHAPTER 1 7
603.54.381.00 -- 05 -- 2001
CONSUMABLES
COMPONENT TO BE FILLED
OR TOPPED UP
QUANTITY
dm3
(gallons)
RECOMMENDED
NEW HOLLAND
PRODUCTS
NEW HOLLAND
SPECIFICATIONS
INTERNATIONAL
SPECIFICATIONS
Cooling system:
-- models TK65, TK75 ......
-- models TK76, TK85, TK95
10.5 (2.31)
13.0 (2.86)
Water & liquid
AMBRA
AGRIFLU
50% + 50%
NH 900 A --
Fuel tank:
-- models TK65, TK75 ......
-- models TK76, TK85, TK95
80 (17.6)
129 (28.38)
Decanted and fil-
tered diesel fuel -- --
Engine sump:
without filter:
-- models TK65, TK75 ......
-- models TK76, TK85, TK95
with filter:
-- models TK65, TK75 ......
-- models TK76, TK85, TK95
6.7 (1.47)
10.5 (2.31)
7.3 (1.61)
11.2 (2.46)
AMBRA
SUPER GOLD
15W -- 40 oil or
10W -- 30
NH 330G
(SAE 15W--40)
NH 24G
(SAE 10W--30)
API CF--4/SG
CCMC D4
MIL--L--2104E
Steeringclutches ............ 1.4 (0.31) AMBRA
SUPER oil 10W NH 301 C
API CE CCMC D4
MIL--L--2104C
SAE 10W
Transmission:
(gears, bevel drive,
brakes and hydraulic
lift)
-- models TK65, TK75 ......
-- models TK76, TK85, TK95
Track tension wheel,
carriage rollers, track support
rollers......................
33.3 (7.32)
39.0 (7.92)
--
AMBRA MULTI F
oil NH 420 A
API GL4
ISO 46/68
SAE 20W--30
Final drives
(each) ..................... 2.0 (0.44)
AMBRA
HYPOIDE 90 oil NH 520 A
API GL5
MIL--L--2105D
SAE 80W--90
Greasefittings .............. -- AMBRA GR9
grease
NH 710 A NLGI 2
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8SECTION 00 -- GENERAL -- CHAPTER 1
603.54.381.00 -- 05 -- 2001
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