New Holland H7230 / H7330 Discbine Mower-Conditioner Service Repair Manual

Power T

INTRODUCTION

ake-Of f (PT

[31.201] Power T ake-Of f (PT drive shaft

Secondary Power T f (PT

Intermediate Power T f (PT

Gearbox

Clutches

Hydraulic systems

[35.000] Hydraulic

[35.410] Header attachment height system

[35.415] Header attachment tilting system

[35.947] Frame positioning swinging

Carrying and transport wheels

[55.404] External

Attachments/Headers

[58.1 10] Attachment/Header cutting mechanism

[58.130] Attachment/Header frame

Product feeding

Header drive system

Roll conditioning

Flail conditioning

Foreword - Important notice regarding equipment servicing

Safety rules

Safety rules - Personal safety

Safety rules - Ecology and the environment

T orque - Nominal tightening torques for normal assembly

Basic instructions - Shop and assembly

Specifications

Capacities

Product identification

Product identification - Machine orientation

Foreword - Important notice regarding equipment servicing

All repair and maintenance work listed this manual must carried out only qualified dealership strictly complying with the instructions and whenever the special

Anyone who performs repair and maintenance operations without complying with the procedures provided herein shall responsible for any subsequent

The manufacturer and all the organizations its distribution chain, including - without limitationnational, regional, local reject any responsibility for damages caused parts and / components not approved the facturer , including those used for the servicing repair the product manufactured marketed the manufacturer any case, warranty given attributed the product manufactured marketed the manufacturer case damages caused parts and / components not approved the manufacturer

The manufacturer reserves the right make improvements design and changes specifications any time without notice and without incurring any obligation install them units previously and illustrative material herein are accurate known time publication but are subject change without notice. case refer your NEW HOLLAND Sales and Service

Safety rules

Personal safety

This the safety alert used alert you potential personal injury Obey all safety messages that follow this symbol avoid possible death injury

Throughout this manual you will find the signal words W and CAUTION followed special These precautions are intended for the personal safety you and those working with

Read and understand all the safety messages this manual before you operate service the

DANGER indicates a hazardous situation not will result death serious injury

W ARNING indicates a hazardous situation not could result death serious injury

CAUTION indicates a hazardous situation not could result minor moderate injury

F AILURE T O FOLLOW

Machine safety

NOTICE: Notice indicates a situation that, not avoided, could result machine property damage.

Throughout this manual you will find the signal word Notice followed special instructions prevent machine property damage. The word Notice used address practices not related personal safety .

Information

NOTE: Note indicates additional information that clarifies other information this

Throughout this manual you will find the word Note followed additional information about a step, other information the The word Note not intended address personal safety property

Safety rules - Personal safety

General safety rules

Use caution when you operate the machine Raised full tanks and other loads will change the center gravity the The machine can tip roll over when near ditches and embankments uneven

Never permit anyone other than the operator ride the

Never operate the machine under the influence alcohol while you are otherwise

Hydraulic oil diesel fuel leaking under pressure can penetrate the causing serious injury

• NOT use your hand check for Use a piece cardboard paper

• Stop the remove the key , and relieve the pressure before you connect disconnect fluid

• Make sure that all components are good T ighten all connections before you start the engine surize the

• hydraulic fluid diesel fuel penetrates the seek medical attention immediately

• Continuous long term contact with hydraulic fluid may cause skin cancer . A void long term contact and wash the skin promptly with soap and water

Keep clear moving parts. Loose clothing, jewelry , watches, long hair , and other loose hanging items can become entangled moving

W ear protective equipment when appropriate.

NOT attempt remove material from any part the machine while being operated while components are

Make sure that all guards and shields are good condition and properly installed before you operate the Never operate the machine with shields Always close access doors panels before you operate the

Aperson pet within the operating area a machine can struck crushed the machine its NOT allow anyone enter the work

Raised equipment and / loads can fall unexpectedly and crush persons Never allow anyone enter the area underneath raised equipment during

Always keep all and Slow - Moving V ehicle (SMV) emblem clean provide the best possible visibility while you operate the machine.

Operate controls only when seated the operator ’ s except for those controls expressly intended for use from other locations.

Before you leave the machine:

Park the machine a level

Put all controls neutral park lock

Engage the parking Use wheel chocks

Lower all hydraulic equipment header ,

T urn f the engine and remove the key

W ARNING

Some components may continue run down after you disengage drive systems. Make sure all drive systems are fully

Failure comply could result death serious injury .

due exceptional you would decide keep the engine running after you leave the operator ’ s station, then you must follow these precautions:

Bring the engine low idle

Disengage all drive

Shift the transmission into

Apply the parking

General maintenance safety

Keep the area used for servicing the machine clean and dry Clean spilled

Service the machine a level

Install guards and shields after you service the

Close all access doors and install all panels after servicing the

not attempt clean, lubricate, clear obstructions, make adjustments the machine while motion while the engine

Always make sure that working area clear tools, parts, other persons and pets before you start operating the

Unsupported hydraulic cylinders can lose pressure and drop the causing a crushing not leave equipment a raised position while parked during unless the equipment securely

Jack lift the machine only jack lift points indicated this

Incorrect towing procedures can cause When you tow a disabled machine follow the procedure this Use only rigid tow

Stop the remove the key , and relieve pressure before you connect disconnect fluid

Stop the engine and remove the key before you connect disconnect electrical

Replace damaged worn electrical

When welding, follow the instructions the manual. Always disconnect the battery before you weld the machine. Always wash your hands after you handle battery

Wheels and tires

Make sure that tires are correctly not exceed any recommended load

Follow the instructions the manual for proper tire

T ires are heavy Handling tires without proper equipment could cause death serious injury

Never weld a wheel with a tire

Always remove the tire completely from the wheel prior

Always have a qualified tire technician service the tires and wheels. a tire has lost all pressure, take the tire and wheel a tire shop your dealer for Explosive separation the tire can cause serious injury

NOT weld a wheel rim until the tire completely Inflated tires can generate a gas mixture with the air that can ignited high temperatures from welding procedures performed the wheel Removing the air loosening the tire the rim (breaking the bead) will NOT eliminate the This condition can exist whether tires are inflated deflated. The tire MUST completely removed from the wheel rim prior welding the wheel

Driving public roads and general transportation safety

Comply with local laws and

Use appropriate lighting meet local

Make sure that the Slow - Moving V ehicle (SMV) emblem (1)

86080759 1

Make sure that the brake pedal latch Y must lock brake pedals together for road

Use safety chains for trailed equipment when safety chains are provided with machine

Lift implements and attachments high enough above ground prevent accidental contact with

When you transport equipment a machine a transport trailer , make sure that properly the SlowMoving V ehicle (SMV) emblem the equipment machine covered while being transported a trailer

aware overhead structures power lines and make sure that the machine and / attachments can pass safely under

T ravel speed should such that you maintain complete control and machine stability all

Slow down and signal before

Pull over allow faster traf fic

Follow correct towing procedure for equipment with without

Power T ake - Off (PT

Power T ake - f (PT driven machinery can cause death serious injury Before you work near the O shaft service clear the driven put the O lever the disengage stop the and remove the key

Whenever a PT O a guard must place prevent death injury the operator

When doing stationary O keep clear all moving parts and make sure that appropriate guards are

Never use a spline adaptor:

• Match the right tractor O spline and speed with the O drive shaft provided with This will assure proper geometry and operating

• Never operate 540 RPM implements 1000 RPM

• Never operate 1000 RPM implements 540 RPM

• Use O adaptors will void the warranty the drive and the O drive train the machine and

• For correct hitch setup and geometry see the operator ’ s manual.

Reflectors and warning lights

Y must use flashing amber warning lights (1) when you operate equipment public

86080759 2

Personal Protective Equipment (PPE)

W ear Personal Protective Equipment (PPE) such hard eye heavy hearing tective clothing, etc.

Not

Operate tag

Before you start servicing the machine, attach a Not warning tag the machine area that will

Hazardous chemicals

you are exposed come contact with hazardous chemicals you can seriously The required for the function your machine can They may attractive and harmful domestic animals well

Material Safety Data Sheets (MSDS) provide information about the chemical substances within a product, safe dling and storage first aid and procedures take the event a spill accidental MSDS are available from your dealer

Before you service your machine check the MSDS for each used this This information indicates the associated risks and will help you service the machine safely Follow the information the and manufacturer well the information this when you service the

Dispose all and containers environmentally safe manner according local laws and Check with local environmental and recycling centers your dealer for correct disposal

Store fluids and filters accordance with local laws and Use only appropriate containers for the storage chemicals petrochemical

Keep out reach children other unauthorized

Applied chemicals require additional Obtain complete information from the manufacturer distributor the chemicals before you use

Utility safety

Make sure that the machine has suf ficient clearance pass all Pay special attention overhead power lines and hanging High voltage lines may require significant clearance for safety Contact local authorities utilities obtain safe clearance distances from high voltage power lines.

Retract raised extended necessary Remove lower radio antennas other Should a contact between the machine and electric power source occur , the following precautions must taken:

• Stop the machine movement immediately

• Apply the parking stop the and remove the key

• Check you can safely leave the cab your actual position without contact with electrical stay your position and call for you can leave your position without touching jump clear the machine make sure that you not make contact with the ground and the machine the same time.

• not permit anyone touch the machine until power has been shut f the power

Electrical storm safety

not operate machine during electrical

you are the ground during electrical storm, stay away from machinery and equipment. Seek shelter a protected

electrical storm should strike during operation, remain the cab. not leave the cab operator ’ s platform. not make contact with the ground objects outside the

Safety rules - Ecology and the environment

Soil, air , and water quality important for all industries and life general. When legislation does not yet rule the treatment some the substances that advanced technology sound judgment should govern the use and disposal products a chemical and petrochemical

Familiarize yourself with the relative legislation applicable your country , and make sure that you understand this Where legislation obtain information from suppliers anticleaning agents, etc., with regard the fect these substances man and nature and how safely store, use, and dispose these

Helpful hints

• A void the use cans other inappropriate pressurized fuel delivery systems fill Such delivery systems may cause considerable

• avoid skin contact with all Most these products contain substances that may harmful your

• Modern oils contain not burn contaminated fuels and waste oils ordinary heating

• A void spillage when you drain fluids such used engine coolant engine hydraulic brake etc. not mix drained brake fluids fuels with lubricants. Store all drained fluids safely until you can dispose the fluids a proper way that complies with all local legislation and available

• not allow coolant mixtures get into the soil. Collect and dispose coolant mixtures properly .

• The air - conditioning system contains gases that should not released into the Consult airtioning specialist use a special extractor recharge the system properly

• Repair any leaks defects the engine cooling system hydraulic system immediately

• not increase the pressure a pressurized circuit this may lead a component

• Protect hoses during Penetrating weld splatter may burn a hole weaken allowing the loss

Battery recycling

Batteries and electric accumulators contain several substances that can have a harmful fect the environment the batteries are not properly recycled after Improper disposal batteries can contaminate the groundwater , and NEW HOLLAND strongly recommends that you return all used batteries a NEW HOLLAND dealer , who will dispose the used batteries recycle the used batteries properly some countries, this a legal requirement.

Mandatory battery recycling

NOTE: The following requirements are mandatory

Batteries are made lead plates and a sulfuric acid solution. Because batteries contain heavy metals such lead, CONAMA Resolution 401 / 2008 requires you return all used batteries the battery dealer when you replace any not dispose batteries your household

Points sale are obliged to:

• Accept the return your used batteries

• Store the returned batteries a suitable location

• Send the returned batteries the battery manufacturer for recycling

T

orque - Nominal tightening torques for normal assembly

NOTE: the metric nominal sizes through hardware torque specifications are shown a Newton meters (pound - inches) numerical

ical

Nominal sizes M10 through M24

Metric hex head (non - flange) hardware

–

Identification markings

Metric hex head, flange hex head and carriage bolts, Classes (CL) 5.6 and upward

NHIL14RB00662AA 1

Metric bolt identification markings

identification

Property class

Metric hex nuts and locknuts, Classes (CL) and upward

NHIL14RB00663AA 2

Metric hex nut identification markings

• (1) – identification

• (3) – Property class

• (2) – Clockwise type markings indicate property class and may include manufacturer identification (if Example: property marks 240 ° apart (shown) the eight position indicate a Class 8 property , and marks 300 ° apart the ten position indicate a Class property .

NOTE: the Imperial units the nominal 1 / 4 (inch) and 5 / (inch) hardware torque specifications are shown a Newton meters (pound - inches) numerical Nominal sizes 3 / 8 (inch) through 1 (inch) hardware torque specifications are shown a Newton meters (pound - feet) numerical

Inch hex head (non - flange) hardware

Plain (PLN) – unplated

– a yellow

Inch flange head hardware

Identification marking

Grades inch bolts and free - spinning nuts

SAE (J995) bolt head and nut grade identification

Grade identification marking

Grade Marking description

Grade 2 line marks

Grade 5 Three line marks

Grade 8

Six line marks

Grade 2

circumferential line marks

Grade 5 T

circumferential line marks located 120° apart

Grade 2

circumferential line marks located 60° apart

Grade 2

circumferential line marks

Grade 5

circumferential line marks located 120° apart

Grade 8

circumferential line marks located 60° apart

INTRODUCTION

Grades inch prevailing torque locknuts, all metal (three common marking methods)

prevailing torque locknuts, the grade nut identified one three dif ferent sets markings that denote the strength level and manufacturer

Common prevailing torque locknut grade identification markings

Grade identification marking

Grade Marking description

Grade A marks

Grade B (hex nut) and Grade F (flange nut) Three raised indented dot marks (Marks not have

Grade C (hex nut) and Grade F (flange nut) Six raised indented dot marks (Marks not have

Grade A letter mark side flat

Grade B

Letter B side flat

Grade C

Letter C side flat

Grade A notches

Grade B

One circumferential notch all six corners

Grade C T circumferential notches all six corners

Basic instructions - Shop and assembly

Shimming

For each adjustment select adjusting shims and measure the adjusting shims individually using a eter , then add the recorded not rely measuring the entire shimming which may the rated value shown each

Rotating shaft seals

For correct rotating shaft seal

proceed follows:

Before assembly , allow the seal soak the oil will sealing for least thirty Thoroughly clean the shaft and check that the working surface the shaft not

Position the sealing lip facing the

NOTE: W ith hydrodynamic take into consideration the shaft rotation direction and position the grooves that they will move the fluid towards the inner side the

Coat the sealing lip with a thin layer lubricant (use oil rather than Fill the gap between the sealing lip and the dust lip double lip seals with grease.

Insert the seal its seat and press down using a flat punch seal installation not tap the seal with a hammer

While you insert the check that the seal perpendicular the When the seal make sure that the seal makes contact with the thrust

T o prevent damage the seal lip the position a protective guard during installation

O - ring seals

Lubricate the O - ring seals before you insert them the This will prevent the O - ring seals from overturning and which would jeopardize sealing ficiency

Sealing compounds

Apply a sealing compound the mating surfaces when specified the Before you apply the sealing compound, prepare the surfaces directed the product container .

Spare parts

Only use CNH Original Parts NEW HOLLAND Original Parts.

Only genuine spare parts guarantee the same quality , and safety original they are the same parts that are assembled during standard production. Only CNH Original Parts NEW HOLLAND Original Parts can fer this

When ordering spare parts, always provide the following information:

• Machine model (commercial name) and Product Identification Number (PIN)

• Part number the ordered which can found the parts catalog

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