KUHN GMD 600 Manuel utilisateur

ASSEMBLY / OPERATOR'S MANUAL

GMD 600 - 700

MULTIDISC MOWER

N° 95002 B.GB - 02.97

DEAR OWNER,

In buying a KUHN machine you have chosen wisely. Into it have gone years o thought,

research and improvements. You will ind, as have thousands o owners all over the world, that

you have the best that engineering skill and actual ield testing can produce. You have

purchased a dependable machine, but only by proper care and operation can you expect to

receive the per ormance and long service built into it.

This manual contains all the necessary in ormation or you to receive ull e iciency rom your

machine. The per ormance you get rom this machine is largely dependant upon how well you

read and understand this manual and apply this knowledge. Please DO NOT ASSUME THAT

YOU KNOW HOW TO OPERATE AND MAINTAIN YOUR MACHINE be ore reading this

manual care ully. KEEP THIS MANUAL AVAILABLE FOR REFERENCE.

Your KUHN dealer will instruct you on the general operation o your machine. He is interested

that you get the best per ormance possible and will be glad to answer any special questions

that may arise regarding the operation o the KUHN machine.

Your KUHN dealer can o er a complete line o genuine KUHN service parts.

These parts are manu actured and care ully inspected in the same actory that builds the

machine to assure high quality and accurate itting o any necessary replacements.

When ordering service parts it is important that you indicate the type o machine concerned

and its serial number.

For this reason please complete the model identi ication plate diagram below with the required

in ormation. This will provide you with an easy re erence or uture service parts orders.

ABOUT IMPROVEMENTS

KUHN is continually striving to improve its products and, there ore, reserves the right to make

improvements or changes when it becomes practical to do so, without incurring any

obligations to make changes or additions to the equipment sold previously.

- 1 -

CONTENTS

Page

Safety 2

Safety decals 8

Technical specifications 10

Assembly 11

General information 17

Adapting to the tractor 18

P.T. . shaft 20

Transport 21

Working position and adjustments 22

Cutting height 23

Safety breakaway 24

Parking the machine 25

perating the mower 26

Lubrication 27

Adjustments and maintenance 28

Inspection of knives & securing elements 32

ptional equipment 34

Trouble shooting guide 38

Storing the mower 39

Limited warranty 40

- 2 -

SAFETY

The symbol above is used throughout this manual every time recommendations are made concerning your safety,

the safety of others, or the good operation of the machine.

These recommendations must be made known to all machine operators.

DESIGNATED USE OF THE MACHINE

GMD 600 - 700 Disc Mowers must only be used for the work which they have been designed : mowing on the ground

of hay fields, grass silage fields and improved pastures for the purpose of harvesting fodder for feeding livestock.

The manufacturer is not held liable for any damage resulting from machine applications other than those specified

by the manufacturer.

Any use other than the designated operation is at the risk and responsibility of the operator.

Designated use of the machine also means :

- following operation, maintenance and repair recommendations given by the manufacturer ;

- using only genuine spare parts, equipment and accessories as designated by the manufacturer.

GMD 600 - 700 Disc Mowers must only be operated, maintained and repaired by competent persons who are familiar

with machine specifications and operation and are aware of any danger involved.

The operator must imperatively respect current legislation concerning :

- accident prevention,

- work safety,

- public traffic circulation.

All safety advice indicated on the machine must be strictly observed.

The manufacturer is not held liable for any damage resulting from machine modifications carried out by the operator

himself or by a third party without previous written agreement from the manufacturer.

- 3 -

6. Use a tractor equipped with a safety cab. Keep windows and roof hatch closed for reduced sound level while

operating the PT driven implement.

7. Before starting up the machine and beginning work, check the surrounding area (beware of children !). Make

sure there is sufficient visibility. Keep all people and animals away from the danger zone of the machine (risk

of projection!).

8. Carrying people or animals on the machine when working or in transport is strictly forbidden.

9. Machine must only be attached to tractor using means provided and in accordance with current safety

standards.

10. When attaching or removing the machine, place the parking stand into the corresponding position.

11. Special care should be taken when attaching or removing the machine from the tractor.

12. Before attaching the machine, ensure that the front tractor axle is sufficiently ballasted.

Ballast is to be placed on the supports provided in accordance with instructions of the tractor manufacturer.

13. Do not surpass the maximum axle load or the overall transport weight as prescribed by the tractor manufacturer.

14. Do not surpass the maximum transport width authorized by road traffic regulations.

15. Before transporting the machine on public roads, ensure that all legally required guards and indicators (lights,

reflectors ...) are in place and in good operation.

16. All operating controls (cords, cables, rods ...) must be positioned so that they cannot be set off accidently,

risking accident or damage.

17. Before transport on public roads, locate the machine into its transport position as instructed in this operators

manual.

18. Never leave the tractor seat while the machine is operating.

GENERAL SAFETY RECOMMENDATIONS

Before operating the machine, always ensure that tractor and machine are in accordance with work safety and road

traffic regulations.

BASIC PRINCIPLES

1. In addition to the recommendations given in this manual, legislation on work safety and accident prevention

must also be respected.

2. Advice is indicated on the machine, specifying safety recommendations in order to prevent accidents.

3. Before travelling on public roads, the operator must ensure that the machine conforms to road traffic regulations.

4. Before starting work, the operator must be familiar with all machine controls, handling devices and their

functions. nce at work, it is too late to do so !

5. Do not wear loose clothing which could become caught up in moving elements.

- 4 -

19. Drive speed must be adapted to ground conditions as well as roads and paths.

Always avoid abrupt changes of direction.

20. Precision steering, tractor adherence, road holding and efficient braking are influenced by the type of

implement, weight, ballast of front axle, ground or road conditions. It is therefore of utmost importance to be

cautious in every given situation.

21. Be particularly cautious when turning corners, paying attention to machine overhang, length, height and weight.

22. Before operating the machine, ensure that all safety guards are firmly in place and in good condition. If worn

or damaged, replace immediately.

23. Before operating the machine, check tightness of nuts and bolts, particularly on tool fixing elements (blades,

tines, knives, spades ...). Retighten if necessary.

24. Keep clear of the machine operating area.

25. WARNING ! Danger of crushing and shearing can exist when components are operated by hydraulic or

pneumatic controls.

26. Before leaving the tractor or before adjusting, maintaining or repairing the machine, turn off the engine, remove

ignition key and wait until all moving parts have come to a complete stop.

27. Do not stand between the tractor and the machine unless the hand brake is tight and/or stops have been placed

under the wheels.

28. Before any adjustments, maintenance or repairs are carried out, ensure that the machine cannot be started

up accidentally.

ATTACHMENT

1. When attaching or removing the machine from the tractor, position hydraulic lift control lever in such a way that

it cannot be set off accidentally.

2. When attaching the machine to tractor 3-point linkage, ensure that diameter of link pins corresponds to diameter

of ball joints.

3. WARNING ! Danger of crushing and shearing can exist in the lifting zone of the 3-point linkage !

4. Do not stand between the tractor and the machine when operating the outer control lever of the lift mechanism.

5. In transport, the machine lift mechanism should be stabilized by tractor tie rods to avoid floatation and side

shifting.

6. When transporting the machine in the raised position, lock the lift control lever in place.

7. Do not operate the machine with narrow wheeltrack tractors when working or transporting on uneven or sloping

terrain.

- 5 -

POWER TAKE-OFF

1. nly use PT shaft supplied with the machine or recommended by the manufacturer.

2. PT guards must always be in place and in good condition.

3. Check for correct PT overlap when at work and in transport.

4. Before attaching or removing the PT shaft, disengage PT shaft, turn off engine and remove ignition key.

5. If a primary PT shaft is equipped with a slip clutch or a free wheel, these must be fitted on the machine PT .

6. Ensure that PT shaft is always correctly fitted and locked into place.

7. Make sure guards are correctly in place and secured with the safety chains provided.

8. Before engaging PT , ensure that PT speed and direction are in accordance with manufacturer's recommen-

dations.

9. Before engaging PT , keep all people and animals clear from the machine.

10. Never engage PT shaft when tractor motor is turned off.

11. Never surpass PT angle recommended by the manufacturer.

12. WARNING ! Rotating elements can continue turning momentarily after PT is disengaged. Keep clear until all

rotating elements are at a standstill.

13. When removing the machine, locate PT shaft on the supports provided.

14. Fit safety cap on tractor PT .

15. Replace any worn or damaged PT guards immediately.

HYDRAULIC SYSTEM

1. WARNING ! Hydraulic system is under pressure.

2. When fitting hydraulic motors or cylinders, ensure that connections have been made correctly, as per

manufacturers instructions.

3. Before connecting hoses to the tractor hydraulics, ensure that tractor and machine circuits are not under

pressure.

4. It is strongly recommended that the operator marks the hydraulic connections between tractor and machine to

avoid making a wrong connection. WARNING ! Functions could be reversed (for example : lift/lower).

- 6 -

5. Check hydraulic hoses regularly ! Worn or damaged hoses must be replaced immediately.

Replacement parts must be in accordance with manufacturers recommendations concerning specifications and

quality.

6. Should a leak be found, take all necessary precautions to avoid accidents.

7. Any liquid under pressure (particularly oil from hydraulics) can penetrate the skin and cause severe injury. If

injured, see a doctor immediately, there could be danger of infection.

8. Before any adjustments, maintenance or repairs are carried out, lower the machine, depressurize the circuit,

turn off the engine and remove ignition key.

MAINTENANCE

1. Before checking any machine malfunction and before adjusting, maintaining or repairing the machine, disengage

PT , turn off engine and remove ignition key.

2. Check tightness of nuts and bolts regularly. Retighten if necessary.

3. If the machine is raised, prop it up in a stable position before carrying out any maintenance work.

4. When replacing a working part, wear protection gloves and only use standardized tools.

5. It is forbidden to discard any oil, grease or filters. These must be given to waste disposal organisations to protect

the environment.

6. Disconnect power source before any work is done on the electric system.

7. Check safety guards regularly, particularly those that are subject to wear. Replace immediately if damaged.

8. Spare parts used must be in accordance with specifications and standards as defined by the manufacturer. Use

only genuine KUHN parts !

9. Before any electric welding is carried out on tractor or attached machine, disconnect generator and battery

terminals.

10.Repairs on elements under pressure or tension (springs, accumulators etc.) must only be carried out by

competent persons with standardized equipment.

- 7 -

SPECIAL SAFETY RECOMMENDATIONS

1. Use a tractor equipped with an enclosed cab with windows made of safety glass and kept closed. It is

recommended to fit polycarbonate screens inside the tractor safety cab's side and rear windows or to install mesh

guards on the exterior of them.

2. Stay a safe distance away from the mower when discs are rotating.

3. For safe machine operation, it is imperative that cutting tools be fitted in accordance with the manufacturers

recommendations. Use only the tool outfit supplied with the machine.

4. Each time before using the mower, inspect condition of cutting elements (knives, discs). Replace any missing,

worn or damaged cutting elements immediately. Use only genuine KUHN spare parts.

5. To avoid creating dangerous out of balance forces, always replace missing, damaged or worn knives in pairs.

6. When replacing knives or discs, systematically inspect their securing elements as per the manufacturers

recommendations.

7. Regularly inspect the disc mowers protection cover. Worn or damaged protection covers must be replaced

immediately.

8. Protection devices (such as guards, shields etc.) are intended to prevent stones, rocks or other foreign objects

from being projected. They also prevent access to the machines danger zones. Therefore, it is imperative that

protection devices are put in place and properly secured each time before using the machine.

9. Crushing and shearing zones which could cause serious bodily injury when changing the machine from transport

to work position and vice versa may exist. To prevent possible injury, be extra careful when maneuvering and

ensure that everyone is at a safe distance away from the machine.

10.PT drive to the mower must never be engaged unless the cutterbar skid shoes are in contact with the ground

and the protective cover is folded down.

11.Ground of the pastures to be mown must be free of foreign objects.

12.Even when the machine is used in accordance with its purpose, objects may be projected. It is therefore

imperative that everyone be kept away from the danger zone, that extra care be taken and that extra precaution

(such as safety indicators) be taken when mowing pastures alongside roads or near public areas (parks, schools

etc.).

13.Never mow in reverse.

14.When disengaging the PT drive, moving parts continue to rotate for some time. Wait for all moving parts to come

to a complete stop before approaching the machine.

15.If an obstruction is hit, stop the tractor immediately, disengage PT drive, turn off engine, remove ignition key

and wait for all moving parts to come to a complete stop.

Check the entire machine for any damage before resuming work.

16.It is strongly recommended to have your machine checked by your dealer after each season, especially blades

and discs and their fixing devices (nuts, bolts etc.).

- 8 -

SAFETY DECALS

THE F LL WING SAFETY PICT RIALS HAVE BEEN PLACED N Y UR MACHINE IN THE AREAS

INDICATED. THEY ARE INTENDED F R Y UR PERS NAL SAFETY AND F R THE SAFETY F THE

PE PLE W RKING WITH Y U. THE TEXT SH WN N THEM GIVES THEIR PRECISE MEANING.

KEEP THE PICT RIALS LEGIBLE. IF THEY ARE N T, REPLACE THEM.

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