KUHN GF 5001 MHA Operator's Manual

ASSEMBLY / OPERATOR'S MANUAL

GF 5001 MHA - GYROTEDDER

PLEASE READ CAREFULLY

BEFORE USING THE MACHINE

N° 95205 B.GB - 05.1999

DEAR OWNER,

In buying a KUHN machine you have chosen wisely. Into it have gone years of thought,
research and improvements. You will find, as have thousands of owners all over the world, that
you have the best that engineering skill and actual field testing can produce. You have
purchased a dependable machine, but only by proper care and operation can you expect to
receive the performance and long service built into it.

This manual contains all the necessary information for you to receive full efficiency from your
machine. The performance you get from 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 before reading this
manual carefully. KEEP THIS MANUAL AVAILABLE FOR REFERENCE.

Your KUHN dealer will instruct you on the general operation of your machine. He is interested
that you get the best performance possible and will be glad to answer any special questions
that may arise regarding the operation of the KUHN machine.

Your KUHN dealer can offer a complete line of genuine KUHN service parts.
These parts are manufactured and carefully inspected in the same factory that builds the
machine to assure high quality and accurate fitting of any necessary replacements.

When ordering service parts it is important that you indicate the type of machine concerned
and its serial number.

For this reason please complete the model identification plate diagram below with the required
information. This will provide you with an easy reference for future service parts orders.

ABOUT IMPROVEMENTS

KUHN is continually striving to improve its products and, therefore, 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.

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CONTENTS

Page

Safety 2

Safety decals 9

Technical specifications 11

Assembly instructions 12

Attachment : - to the tractor 17

- PTO shaft 18

Working position and adjustments 19

Operating speed 21

Transport position 22

Parking the machine 23

Lubrication 24

Optional accessories 25

Conditions of limited warranty 28

Copyright 1999 KUHN S.A.

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SAFETY ADVICE

The above symbol 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

The GF 5001 MHA Gyrotedder must only be used for the work for which it has been designed : spreading and
turning straw and pre-mowed fodder. When fitted with a reduction gearbox, the machine can also be used for
forming small night swath in order to reduce the amount of humidity getting into the crop over night.

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.

The GF 5001 MHA Gyrotedder 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.

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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 recomendations 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. When travelling on public roads, the operator must respect all road traffic regulations.

4. Before starting work, the operator must be familiar with all machine controls, handling devices and their
functions. Once at work, it is too late to do so!

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

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

14. Do not exceed 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.

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16. All operating controls (cords, cables, rods...) must be positioned so that they cannot be set off accidentally,
risking accident or damage.

17. Before traveling on public roads, put the machine into its transport position as instructed in this operators
manual.

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

19. Drive speed must be adapted to ground conditions as well as to 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 the tightness of all nuts and bolts, particularly on fixing elements
(blades, tines, knives, spades ...)

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 the 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 the tractor 3-point linkage, ensure that diameter of the link pins corresponds

to the diameter of the 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.

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POWER TAKE-OFF

1. Use only the PTO shaft supplied with the machine or recommended by the manufacturer.

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

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

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

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

6. Ensure that PTO 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 PTO, ensure that PTO speed (rotational frequency) and direction of rotation are in
accordance with manufacturer's recommendations.

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

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

11. Never surpass the PTO angle recommended by the manufacturer.

12. WARNING ! Rotating elements can continue turning momentarily after PTO is disengaged. Keep clear until
all rotating elements are at a standstill.

13. When removing the machine, place PTO shaft on the supports provided.

14. Fit the safety cap on tractor PTO.

15. Replace any worn or damaged PTO guards immediately.

Rotation speed ... rpm (American Measure) is also expressed in metric measure : Rotational frequency ... min

-1

.

Both units are equivalent, for example : Rotation speed 540 rpm equals Rotational frequency 540 min-1.

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HYDRAULIC SYSTEM

1. Beware ! The hydraulic circuit is under pressure (maximum working pressure : 200 bars/2900 psi).

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).

5. Regularly check the hydraulic hoses ! Replace the hydraulic hoses every 5 years. Damaged or worn hoses

must immediately be replaced .
When replacing the hydraulic hoses, make sure to use hoses with the specifications and quality recommended
by the manufacturer of the machine.

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.

TIRES

1. Before any adjustments, maintenance or repairs are carried out, ensure that the machine rests on the ground

and is perfectly stable so that it cannot move accidentally (put wedges in place).

2. Assembly, disassembly and repair of wheels and tires must only be carried out by competent persons who

are equipped with standardized tools.

3. Check tire pressure regularly !

Respect manufacturers recommendations on tire pressure.

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MAINTENANCE

1. Before checking for any machine malfunction and before adjusting, maintaining or repairing the machine,
disengage PTO, 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 organizations to
protect the environment.

6. Disconnect power source before any work is done to 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.

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SPECIAL SAFETY RECOMMENDATIONS

When changing the machine over from the work to the transport position or vice versa, danger of crushing and
shearing can exist.

Be especially careful and keep all persons away from vicinity of the machine when maneuvering.

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SAFETY DECALS

THE FOLLOWING SAFETY PICTORIALS HAVE BEEN PLACED ON YOUR MACHINE IN THE
AREAS INDICATED. THEY ARE INTENDED FOR YOUR PERSONAL SAFETY AND FOR THE
SAFETY OF THE PEOPLE WORKING WITH YOU. THE TEXT SHOWN ON THEM GIVES THEIR
PRECISE MEANING. ENSURE THAT THESE PICTORIALS ARE ALWAYS LEGIBLE. IF THEY ARE
NOT, REPLACE THEM.

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TECHNICAL SPECIFICATIONS

Number of rotors 4

Working width (Din. 11220) 5.00 m / 16' 7"

Width in working position 5.43 m / 17' 9"

Transport width 2.84 m / 9' 2"

Length in transport position 2.31 m / 7' 7"

Length in working position 2,31 m / 7' 7"

Power requirement 15 kW / 20 hp

Weight with PTO 545 kg / 1200 lbs

Tyres 15 x 6.00 - 6

Tyre pressure 2 bars / 29 psi

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ASSEMBLY INSTRUCTIONS

1) Frame assembly (photos 1 and 1 A)

Fix box type frame (P) onto crossbar (T) with 4 bolts
(D) (M 12 x 100 and self -locking nut M 12), 1 bolt (D')
(M 12 x 110 and self-locking nut M 12) and onto the
central gearbox (J) with 6 screws (K) (M 12 x 35).
Torque hardware to 12 daNm/72 ft.lbs.

NOTE : Do not forget to insert support (L) between

box type frame (P) and self-locking nut (M

12) when installing bolt (D) (photo 1A).

Next attach hydraulic hoses (R & S) to T union (U)
and hydraulic cylinders (V) (photo 1 A).
Install bolt (Z) and tighten locknut (Y).
Connect wire rope (Q), which automatically locks and
unlocks pendulum arm, to plate (R) with rope grip (W)
as shown in photo 1. Adjust wire rope length so that it
is slightly tensioned when the outside rotors are lifted
into transport position. Cut off surplus rope.

2) Fitting the 3-point frame (fig 2)

Attach the 3-point frame (C) to the box type frame
(P) by means of the vertical pivot pin (A) and secure
in place with roll pins (E) (5 x 50 mm) and (E) (8
x 50 mm) as shown in figure 2. Then attach the
pendulum arm (B) to the 3-point frame (C) by means
of the horizontal pivot pin (F).Secure the horizontal
pin (F) with roll pins (G) (8 x 50 mm). The roller (H
) must locate in housing (I).

3) Fitting the stand (photo 3)

Slide parking stand (M) in housing (N) and fit roll pin
(P) (dia. 7 x 45). Lock the parking stand in the lowered
position with R-clip (O) and install PVC cord (Q) as
shown in photo 3.

1

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4) Fitting reflectors (fig. 4)

Attach reflector support (1) to central tubing (2) on
each side of the machine by means of 2 hexagon
screws (3) (M 12 x 35) as shown in fig. 4. Next stick
red reflectors (5) and white reflectors (6) to the end
of supports (1).

5) Fitting frame shield (photo 5)

Attach frame shield (T) to reflector supports (1) using
4 hexagon screws (V) (M 8 x 20), 4 plain washers
(diameter 9 x 18 x 1,5) and 4 self-locking nuts (M 8).
Also attach to box type frame (P) using 1 hexagon
screw (W) (M 8 x 12) and 1 lock washer (M 8).

6) Fitting the wheels (photo 6)

Fit the pre-assembled wheels (G) into their holders
(F). Place a shim washer (I) (dia. 35 x 45 x 2.5) on top
of the holder. Then install shim washer (K) (dia. 35 x
50 x 1). Secure in place with retaining ring (H). To
complete the job install protective caps (J).

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7) Fitting tine arms and tines

Before fitting tine arms and tines fold the intermediate and the outer rotors in working
position.

Fit the tine arms as shown in figure 7.
1 = self-locking screw M 12 x 30 2 = self-locking nut M 12 (tighten to a torque of 12 daNm (88 ft.lbs).

Fit the tines (F) on the tine arms (B) in such a way that the pressure from the tines closes the spiral (the tines
are facing in the direction of rotation of the rotors) (fig. 8).
Position the deflectors (D). Fit the screws (A), position washers (C), then tighten the self-locking nuts (E)
(fig. 8) to a torque of 16 daNm (120 ft.lbs).

During the first few hours of work, make frequent checks of tine nut and bolt tightness. If necessary,
retighten to 16 daNm (120 ft.lbs) to avoid the possibility of loss or breakage.

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8) Fitting control cords (photo 9)

Cut one of the cords (D 1) to 1,7 m (5' 7"). Thread it through plate (P) as shown in drawing below.
Thread each end of the cord through lock arm (V) and tie a knot at each end. Insert the other cord (D 2) through
the upper hole of support plate (C) then through plate (P) and tie a knot.
Thread the other end of cord through handle (A) and tie a knot at desired length so that locks can easily be
maneuvered from the tractor seat. Cut off surplus cord at the knot and fit plug into handle (A).
To avoid that cords are too lax above the machine, tie a knot (N) in the cord just before support plate (C).
Then install the hydraulic coupler holder (H) on cover (S) (photo 9).

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9) Fitting the safety guards (photos 10 and 10 A)

The safety guards are provided with the machine to give improved protection against possible accidents and
therefore ensure maximum safety.

Attach the support (7) of the central safety guard under the box type frame (8) with 2 hexagon bolts (9) (M 10
x 30), 2 serrated washers (M 10) and 2 nuts (M 10) as shown in figure 10. Ensure that safety guard mounting
studs are positioned at the front of this support. Tighten hexagon bolts to 5 daNm / 37 ft.lbs.
Push both guards (6) onto support (7) and secure them with 4 hexagon bolts (12) (M 8 x 45) and nuts (M 8) (photo

10). Torque to 3 daNm / 20 ft.lbs.

Side guards (5) are fitted to outside housings (11) using 2 hexagonal head bolts (1) (M 12 x 60) and 2 serrated
washers (M 12) (photo 10 A).
Tighten hexagon bolts to 9 daNm / 65 ft.lbs.
Install plugs (3) and (4) (photos 10 and 10 A).

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ATTACHMENT

FITTING TO THE TRACTOR

The GF 5001 MHA can be fitted to all tractors equipped with a DIN or ASEA Standard 3-point linkage. The
lower link pins are 22 mm and 28 mm diameter for tractors with Cat. I and II linkage. The lower link pins should
be attached to the tractor link arms (P) inside the 3-point frame for Cat. I tractors and on the outside for Cat. II
tractors. In the latter case, use the 25 mm diameter link pins to attach tractor top link (Q) to the pendulum arm
(A) (photo 11).

The pendulum arm has three attachment positions to suit varying tractor top link lengths.
Connect hydraulic hose (E) to a female hydraulic connection at the rear of the tractor (photo 11).
When the machine is attached to the tractor, raise stand (D) and secure with spring cotter (O) (photos 11 & 12).

When connecting hydraulic hose (E) to tractor, ensure hose is placed above central guard (S)
(photos 11 and 12).

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PTO SHAFT

Connect the PTO shaft to the 540 rpm (min-1) tractor drive (with the safety clutch fitted on the machine side)
(photo 11).

Make sure PTO length is correct :

1) When the PTO is in its maximum extended position, a minimum tube overlap of 300 mm (12") must be

maintained.

2) When the PTO is in its maximum overlap position (retracted), tubes should not butt against the yokes. As a

safety measure a clearance of at least 2 cm (0.8") must be maintained. If this is not the case, shorten the two
transmission tubes and the two guard tubes by the same length (fig. 13 and 14). Bevel and clean the tubes
(fig. 15) and grease the inside of the outer tube (fig. 16).

3) Never operate the PTO at too great an angle (30° maximum).

These recommendations and adjustments must be respected to avoid damage or premature
wear of the PTO.

Never connect the PTO to the 1000 rpm (min-1) tractor drive.

To avoid accidents which could be serious, make sure that the guards are always correctly
in place and secured with the safety chain (photo 11). Worn or damaged guards must be
replaced immediately.

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WORKING POSITION AND ADJUSTMENTS

To change the GF 5001 MHA from transport position
to work position, proceed as follows.

- Pressurize the hydraulic cylinders so that the 2 rotors

close up against their stops.

- Release locks (R) from the tractor seat by pulling cord

(C) (photo 17).

- Lower the outside rotors down. This operation unlocks

the pendulum arm simultaneously.

- Double check that parking stand is locked in its upper

position (photo 17).

When tedding, the tractor 3-point linkage should
always be in the free floating position.

NEVER ENGAGE THE TRACTOR PTO
WHEN THE OUSIDE ROTORS ARE
FOLDED INTO TRANSPORT POSI­TION.

Rotor angle is adjustable in 2 different positions :

1° Maximum working angle is obtained when handle (L) is facing upwards (photo 18).
2° Minimum working angle is obtained when handle (L) is facing downwards (photo 19).

Maximum working angle should be used for first cut (normal or particularly dense crops).
For second and third cuts (medium density and light crops) the minimum working angle position should be used.

17

- 20 -

Adjustment of handle (L) with eccentric (E) (photo 20) is carried out as follows :

- Machine is attached to the tractor, stand in front of one of the rotors

- Pull eccentric (E) out of its housing and turn lever (L) 180° upwards or downwards

- Lift or lower handle (K) so that the eccentric (E) is in alignment with its housing and is re-engaged automatically

by return spring (I) (photo 20).

Proceed the same way on the remaining rotors.
Perfect rotor angle adjustment using tractor crank handle so that the tines lightly skim the ground at the front of
the machine.
When working along edges of fields, hedgerows, fences, etc., the oblique position is obtained by locking the
wheels in holes (H) to project the crop towards the left or holes (J) to project the crop towards the right (photo

21). Hole (N) corresponds to the regular work position (photo 21). Wheels are locked in the selected position by

means of locks (P) (photo 21). Positions (U) and (V) are never used on the GF 5001 MHA (photo 21).

If at the field ends the tractor does not lift the machine high enough to clear the outside rotors from the ground,
it is possible to lift the rotors slightly using the tractor hydraulic cylinders (see photo below).
Do not forget to put again the tractor 3 - point linkage in the free floating position.

- 21 -

OPERATING SPEED

Many factors govern the choice of the correct forward speed :

1) The moisture content (this factor is most important the first time over).

2) The density of the crop.

3) The height and type of crop.

Here are a few examples of correct speed given a crop of average length and density :

- First time over : when the crop has a high moisture content, the speed is approximately 7 - 8 km/hr (4 1/2 -

5 mph)

- Second time over : the speed can reach 10-12 km/hr (6 1/2 - 7 mph) according to the moisture content.

If the hay is dry the speed (rotational frequency) of the rotor should be reduced. When the crop is very long, heavy
and wet, the forward speed should be reduced. In difficult conditions such as these it is generally advisable to
lower the forward speed and increase the PTO speed (rotational frequency). It is impossible to give accurate
information on this, the speeds must be decided according to the crops being treated.

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KEEP ALL PERSONS AWAY FROM THE VICINITY OF THE MACHINE BEFORE PIVOTING THE
OUTER ROTORS INTO WORK OR TRANSPORT POSITION.

TRANSPORT POSITION

To fold the machine in transport position, proceed as
follows :

- Disengage the PTO.

- Wait for all movement to stop.

- Pull cord (C) (photo 22).

- Activate the tractor hydraulics and lift the outer rotors

until locks (R) automatically lock into the transport
position (photos 22 and 23).
This operation locks the pendulum arm simultane­ously.

- Double check that parking stand (D) is locked in its

upper position with the spring cotter pin (O) (photo

22).

NEVER ENGAGE THE TRACTOR
PTO WHILE THE MACHINE IS IN THE
TRANSPORT POSITION.

22

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PARKING THE MACHINE

The 3-point frame is provided with a parking stand (D) to allow this machine to be parked whether in its transport
or working position (photo 24). PTO shaft (T) should be positioned in its support (S) to avoid ground contact which
could result in premature failure due to contamination with dirt and dust (photo 24).
Put male coupling of the hydraulic hose (F) into its parking support (H) (photo 24).

IF EVER THE GF 5001 MHA IS TO BE PARKED WHILST IN ITS TRANSPORT POSITION, AN AREA
MUST BE USED WHERE THE GROUND IS VERY EVEN AND LEVEL. WEDGES MUST ALWAYS
BE PLACED UNDER THE 2 CENTRAL WHEELS (photo 24).

24

- 24 -

LUBRICATION

Grease the following points with SHELL Multi-Purpose grease NLGI grade 2 :

- Once a day : PTO yoke bearings and drive tubes.

- Once a week : The four rotors, pendulum arm, vertical 3-point frame pivot pin, pins (F), fingers of DIGIDRIVE

couplings (I) (fig. 25), the rotating sleeves (E) (photo 25 A), axles (K) (photo 25 A), the four wheel axles (A, photo

18), the four levers (H, photo 18) (page 13) and all other pivoting points of the machine.

- Once a year : The four rotor gearboxes (G) (photos 25 and 25 A).

The drive gearbox is filled with SHELL Multi-Purpose grease NLGI grade 2 (capacity : 0,8 kg). Check the amount
once a year by removing the rear cover (J) (photo 1 A, page 12).

Lubricate the following points with SHELL OIL :

- Once a week : the four wheel position locks, the pendulum arm lock and its wire rope, the hydraulic cylinder

pins.

TO ENSURE TROUBLE FREE OPERATION OF YOUR MACHINE,

WE RECOMMEND SHELL LUBRICANTS

- 25 -

OPTIONAL ACCESSORIES

1) 3-POINT FRAME EXTENSION

(Kit No 114 6230) (photo 26)

For tractors with limited linkage possibilities, two
extensions (R) can be fitted to the 3-point frame (C),
enabling the machine to be lifted higher during
transport.

2) DUPLEX REDUCTION GEARBOX (Kit No 111 6440)

A «Duplex» reduction gearbox for the GF 5001 MHA can be supplied as an optional extra when using the
machine for raking night swaths. With this gearbox, the high rotor speed (rotational frequency) necessary for
tedding and turning is maintained and there is also a lower rotor speed (rotational frequency) for raking night
swaths.
The reduction gearbox can be attached to existing GF 5001 MHAs without modification. To install the «Duplex»
reduction gearbox proceed as follows :

- Fit guard (G) (photo 28) on Duplex reduction gear-

box, using the hardware provided therefore.

- Remove original PTO shaft guard from the central

gearbox.

- Slide the Duplex reduction gearbox unit (Q) on the

drive shaft from the central gearbox (R) and secure
in place with 2 self-locking screws (S) (M 12 x 40)
and 2 spring washers (torque : 9 daNm - 65 ft/lbs).

- Fit the retaining ring (35 E) delivered with the kit on

the drive shaft from the central gearbox.

When tedding, the PTO shaft must be fitted directly
to the splined end of drive shaft. When raking night
swaths, mount the PTO shaft on the «Duplex» reduc­tion gearbox input shaft (photo 28). In this case the
tractor PTO speed (rotational frequency) should be
maintained at 400 rpm (min-1) and ground speed
between 5-7 km/h (3-4 miles/h). Mount the PTO shaft
cover (E) inside the guard (G) using wing nut (H) so
that the PTO end not in use is fully guarded (photo

28).

26

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3) SIGNALLING ELEMENTS (Kit No. 111 6680)

To install the warning board / light kit, proceed as follows :

- Remove rear cosmetic shield (V) and reflector supports (1) (Foto 5, page 13).

- Install warning board supports (3) (fig. 29) in place of reflector supports using the original fixation

hardware, then reinstall cosmetic shield (V).

- Next attach extensions (2) on supports (3) using 4 hexagon screws (16) (M 10 x 30) and 4 self-locking nuts (5)

(M 10) (fig. 29).

- Then bolt bar (1) to extensions (2) with 4 hexagon screws (4) (M 10 x 25) and 4 self-locking nuts (5) (M 10) (fig.

29).

- Press plugs (9) into each end of the bar (1) (fig. 29),

- Bolt warning boards (12) onto bar (1) with 6 hexagon bolts (13) (M 10 x 45) and 6 self-locking nuts (14) (M 10),

making sure that the red and white stripes are facing in the right direction (fig. 29). On machines marketed in
Switzerland, the 4 yellow and black stickers supplied with the set must be affixed to the signal panels (12) in
place of the red and white stickers.

- Fit front lights (A) on the front side of the warning boards (12) (slit E is facing down) (photo 30).

- Fit right rear light (D) marked "R" onto the rear side of the right warning boards (photo 31).

- Fit left rear light marked "L" onto the rear side of the left warning board. This rear left light is also marked in white.

- Then attach the electric harness to extensions (2) with 4 clamp collars (C) (length 176 mm) and to the central

spacer tubes (15) with 2 clamp collars (F) (length 350 mm) as shown in photos 30 and 32. Plug the harness
connectors into the corresponding front and rear light connectors.
Note : The electric cables for the rear lights are marked "L" for left and "R" for right. The electric cable for the

rear left light is also marked in white.

- 27 -

- At the front of the machine, connect the electric

harness to the hydraulic flexible tube with 3 clamp
collars (C) (length 176 mm) (photo 32),

- Attach support (P) of plug (O) to the 3-point

pendulum arm guard with 2 hexagon screws (H)
(M 6 x 30) and 2 self-locking nuts (M 6) as shown
in photo 32.

For the lighting equipment to function, a 7 pin socket
is required at the rear of the tractor. Place plug (O)
in support (P) when detaching machine from tractor
(photo 32).

- 28 -

SOUND LEVELS

Sound levels given out by : GF 5001 MHA Gyrotedder

Sound levels have been measured in accordance with the measuring methods as defined in :

HM Agricultural Inspectorate

AGRICULTURAL MACHINERY NOISE

Legislation and guidance on methods of testing

(Annex to AIC 1896/117 REV)

February 1988

Health and Safety Executive

The method employed corresponds to the method No. 4 in this document. Unspecified testing
conditions comply with ISO 5131 standard.

Measuring equipment conforms to NF S 31-009 standard. The tractor used has a power of 59 kW.

A-weighted emission sound pressure level L (A) eq inside tractor cab (with closed windows) :

Tractor only : 78.4 dB (A)

Tractor + machine : 77.3 db (A)

LIMITED WARRANTY

KUHN S.A. of 4 Impasse des Fabriques, 67706 SAVERNE CEDEX, France (hereinafter called the
«Company») warrants, in accordance with the provisions below, to each original retail purchaser of
KUHN new equipment of its own manufacture, from an authorized KUHN dealer, that such equipment
is, at the time of delivery to such purchaser, free from defects in material and workmanship and that
such equipment will be warranted for a period of one year starting from the date the goods are delivered
to the end user and during this period up to a limit of 500 hours use, providing the machine is used and
serviced in accordance with the recommendations in the Operators Manual.

THESE CONDITIONS ARE SUBJECT TO THE FOLLOWING EXCEPTIONS :

1. Parts of machines which are not of our manufacture i.e. tyres, belts, P.T.O. shafts, clutches etc., are not

covered by this Limited Warranty but are subject to the warranty of the original manufacturer. Any claim
falling into this category will be taken up with the manufacturer concerned.

2. Warranty claims applying to these types of parts must be handled in the same way as if they were parts

manufactured by KUHN. However, compensation will be paid in accordance with the warranty agree­ment of the manufacturer concerned in as much as the latter justifies such a claim.

3. This Limited Warranty will be withdrawn if any equipment has been used for purposes other than for

which it was intended or if it has been misused, neglected or damaged by accident or let out on hire. Nor
can claims be accepted if parts other than those manufactured by us have been incorporated in any of
our equipment. Furthermore, the Company shall not be responsible for damage in transit or handling by
any common carrier and under no circumstances within or without the warranty period will the Company
be liable for damages for loss of use or damages resulting from delay or any consequential damage.

We cannot be held responsible for loss of earnings caused by a breakdown or for injuries either to the owner
or to a third party, nor can we be called upon to be responsible for labor charges, other than originally
agreed, incurred in the removal or replacements of components.

THE CUSTOMER WILL BE RESPONSIBLE FOR AND BEAR THE COSTS OF:

1. Normal maintenance such as greasing, maintenance of oil levels, minor adjustments, etc.

2. Transportation of any kind of any KUHN product to and from the place the warranty work is performed.

3. Dealer travel time to and from the machine or to deliver and return the machine from the workshop for

repair.

4. Dealer travelling costs.

Parts defined as normal wearing items are listed as follows and are not in any way covered under this
Limited Warranty :
V belts, discs, knives, wear plates, disc guards, tires, torque limiters, hydraulic hoses, pitman shafts, swath
sticks, blades, tines and tine holders.

KUHN Limited Warranty will not apply to any product which is altered or modified without the expressed
permission of the Company and/or repaired by anyone other than Authorized Service Distributors or
Authorized Service Dealers.

LIMITED WARRANTY IS DEPENDENT UPON THE STRICT OBSERVANCE BY THE
PURCHASER OF THE FOLLOWING PROVISIONS :

- That this Limited Warranty shall not be assigned or transferred to anyone unless the Companys consent in
writing has first been obtained.

- The warranty/product registration form has been correctly completed by dealer and purchaser with their
names and addresses, dated, signed and returned to the appropriate address as given on the warranty/
product registration form.

- The claim form sent to KUHN has been correctly completed stating:

* dealers name and address
* owners name and address
* type of machine
* machine serial number
* delivery date to buyer
* date of failure
* tractor make and type
* description of the failure and its cause
* quantity, reference number and name of the damaged parts
* reference number, quantity and date of the invoice for the replacement parts.

- The judgement of the Company in all cases of claims under this Limited Warranty shall be final and conclu­sive and the purchaser agrees to accept its decisions on all questions as to defect and to the exchange of
any part or parts.

- That all safety instructions in the Operators Manual shall be followed and all safety guards regularly inspected
and replaced where necessary.

No warranty is given on second-hand products and none is to be implied. Persons dealing in the Companys
products are in no way legal agents of the Company and have no right or authority to assume any obligation
on their behalf, express implied, or to bind them in any way.

KUHN S.A. reserves the right to incorporate any change in design in its products without obligation to make
such changes on units previously manufactured.

Moreover, because of the constant progress in technology, no guarantee is given to the descriptions of
equipment published in any document by the company.

DISCLAIMER OF FURTHER WARRANTY

There are no warranties, expressed or implied, except as set forth above. There is no
warranty of merchantability. There are no warranties which extend beyond the description
of the product contained herein. In no event shall the company be liable for indirect, special
or consequential damages (such as loss of anticipated profits) in connection with the retail
purchasers use of the product.

- N O T E S -

This machine complies with the safety requirements of the European machinery directive.

The Operator should respect all Health and Safety regulations as well as the Highway
Code. For your own safety, use only genuine KUHN spare parts. The manufacturer
disclaims all responsibilities due to incorrect use or non-compliance with the
recommendations given in this manual.

Printed in France by KUHN

KUHN S.A. 4 Impasse des Fabriques F - 67706 SAVERNE CEDEX (FRANCE)

Tél. : + 33 (0) 3 88 01 81 00 - Fax : + 33 (0) 3 88 01 81 03

www.kuhnsa.com - E-mail : [e-mail]

Société Anonyme au Capital de 19 488 000 Euros

For your safety

and to get the best from your machine,

use only genuine KUHN parts