KUHN FC302G User manual

Original instructions
KN270BGB_F
Read carefully before starting the machine
Operator's manual
Mower conditioner
B0001 > B9999
FC302G - FC302GI - FC352G
KN270BGB_F - English - 06-2019
*KN270BGB_F*

1. - Dear Owner
FC302G - FC302GI - FC352G
3
KN270BGB_F
Mower conditioner
1. Dear Owner
In buying a Kuhn machine you have chosen wisely. Into it have gone years of thought, research and
improvement. 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
through 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 dependent on how well you read and understand this
manual and apply this knowledge. Please DO NOT ASSUME YOU KNOW HOW TO OPERATE AND
MAINTAIN YOUR MACHINE before reading this manual carefully. KEEP THIS MANUAL AVAILABLE FOR
REFERENCE. Pass it on to the next owner if you re-sell the 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.
About improvements
We are continually striving to improve our products. We therefore reserve 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.
Wear parts
Wearing parts fitted on our machines have been tested in very different situations to optimize their service
life. Nevertheless, the service life depends highly on the conditions of use (products to handle, soil,
weather conditions, etc...).
Document illustrations
The illustrations in this manual may be based on one type of machine only. However, all instructions apply
to all machines covered in this manual.
Copyright 2019 KUHN

FC302G - FC302GI - FC352G
42. - Contents
KN270BGB_F
Mower conditioner
2. Contents
1. Dear Owner .....................................................................................................................3
2. Contents..........................................................................................................................4
3. Identification of the machine.........................................................................................7
3.1 Front view ........................................................................................................................................7
3.2 Model identification plate ................................................................................................................. 7
3.3 Optional equipment.......................................................................................................................... 9
4. Safety.............................................................................................................................10
4.1 Description of symbols used in this document...............................................................................10
4.2 Safety instructions ..........................................................................................................................11
4.2.1 Introduction........................................................................................................................11
4.2.2 Read and follow the safety instructions.............................................................................11
4.2.3 Safety decals.................................................................................................................... 12
4.2.4 Precautions to be taken before carrying out any operations on the machine................... 12
4.2.5 Precautions when coupling...............................................................................................12
4.2.6 PTO shaft.......................................................................................................................... 13
4.2.7 Hydraulic circuit................................................................................................................15
4.2.8 Remote controlled components........................................................................................ 16
4.2.9 Precautions when driving ................................................................................................. 16
4.2.10 Precautions when driving on public roads........................................................................16
4.2.11 Maximum speed...............................................................................................................18
4.2.12 Tyres................................................................................................................................. 18
4.2.13 Precautions to take before using the machine ................................................................. 18
4.2.14 Precautions during manoeuvres....................................................................................... 19
4.2.15 Precautions for machine use............................................................................................ 19
4.2.16 Projection of stones and foreign objects........................................................................... 19
4.2.17 Precautions to take before using the parking stands........................................................ 20
4.2.18 Precautions for maintenance and repair work.................................................................. 20
4.2.19 Waste disposal .................................................................................................................21
4.3 Location and description of safety decals on the machine ............................................................ 22
4.3.1 Location of safety decals..................................................................................................22
4.3.2 Description of safety decals..............................................................................................23
4.4 Road safety equipment and recommendations ............................................................................. 25
4.4.1 Tyre pressure....................................................................................................................26
4.4.2 Instructions specific to France.......................................................................................... 26
4.4.3 Instructions specific to Italy...............................................................................................27

2. - Contents
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4.5 Likely critical failures...................................................................................................................... 27
4.6 Incorrect use of the machine by the user ...................................................................................... 27
4.7 Limit state criteria........................................................................................................................... 28
5. Machine specifications................................................................................................ 29
5.1 Description and glossary ............................................................................................................... 29
5.1.1 Designated use of the machine........................................................................................ 29
5.2 Technical specifications................................................................................................................. 30
5.2.1 Designated parameters.................................................................................................... 30
5.3 Required equipment...................................................................................................................... 31
5.3.1 Drawbar............................................................................................................................ 31
5.4 Sound levels.................................................................................................................................. 31
6. Putting into service...................................................................................................... 32
6.1 Description of control elements ..................................................................................................... 32
6.2 Coupling and uncoupling............................................................................................................... 32
6.2.1 Description of coupling elements ..................................................................................... 32
6.2.2 Preparing the tractor......................................................................................................... 33
6.2.3 Preparing the machine..................................................................................................... 34
6.2.4 Coupling the machine.......................................................................................................35
6.2.5 Hydraulic connections......................................................................................................36
6.2.6 Electrical connections....................................................................................................... 36
6.2.7 Primary PTO shaft............................................................................................................ 37
6.2.8 Intermediate PTO shaft .................................................................................................... 40
6.2.9 Adjusting the machine......................................................................................................42
6.2.10 Uncoupling the machine................................................................................................... 43
7. Instructions for transport............................................................................................ 45
7.1 Putting the machine into transport position ................................................................................... 45
7.2 Conformity with the road regulations............................................................................................. 47
7.3 Machine transport using transport means ..................................................................................... 47
8. Instructions for work................................................................................................... 48
8.1 Putting the machine into work position.......................................................................................... 48
8.2 Adjustments in working position .................................................................................................... 51
8.2.1 Cutting height................................................................................................................... 51
8.2.2 Reduced or increased ground pressure........................................................................... 54
8.2.3 Finger conditioning rotor speed........................................................................................ 55
8.2.4 Belt tension....................................................................................................................... 58
8.2.5 Conditioning intensity....................................................................................................... 59
8.2.6 Swathing system.............................................................................................................. 61
8.3 Machine use .................................................................................................................................. 64
8.3.1 Drive speed...................................................................................................................... 64

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62. - Contents
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9. Optional equipment......................................................................................................65
9.1 Chain stroke limiter........................................................................................................................ 65
9.2 Mechanical drawbar shift............................................................................................................... 65
9.3 Hydraulic drawbar pivot control ..................................................................................................... 66
9.4 Ribbed knife (FC302G - FC352G)................................................................................................. 66
9.5 Lifter disks...................................................................................................................................... 67
9.6 Quick hitch.....................................................................................................................................67
9.7 Intermediate PTO transmission shaft with constant velocity joint.................................................. 68
9.7.1 Lubrication........................................................................................................................ 68
9.8 Swath shield extensions ................................................................................................................ 69
9.9 Wide spreading shield (FC352G) .................................................................................................. 69
9.10 SMV sign .......................................................................................................................................70
9.11 Outline marker lights...................................................................................................................... 70
10. Maintenance and storage ............................................................................................71
10.1 Frequency chart............................................................................................................................. 71
10.2 Lubrication ..................................................................................................................................... 72
10.2.1 PTO shaft.......................................................................................................................... 73
10.2.2 Draining............................................................................................................................75
10.2.3 Grease.............................................................................................................................. 80
10.3 Maintenance .................................................................................................................................. 84
10.3.1 Belts.................................................................................................................................. 84
10.3.2 Checking cutterbar oil level ..............................................................................................85
10.3.3 Checking the oil levels...................................................................................................... 87
10.3.4 Inspection of knives and securing elements.....................................................................88
10.3.5 Finger replacement........................................................................................................... 92
10.4 Storage .......................................................................................................................................... 93
10.4.1 At the end of each season................................................................................................93
10.4.2 At the start of each season...............................................................................................94
10.4.3 Storage............................................................................................................................. 94
10.5 Dismantling and scrapping of the machine....................................................................................95
11. Troubleshooting guide.................................................................................................96
12. Limited Warranty ..........................................................................................................99

3. - Identification of the machine
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3. Identification of the machine
3.1 Front view
3.2 Model identification plate
- Please write below the type and serial number of
the machine. This information is to be given to the
Kuhn authorized dealer for any spare parts order
or warranty claim.

FC302G - FC302GI - FC352G
83. - Identification of the machine
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Mower conditioner
• (1) The manufacturer:
• (2) Type:
• (3) Serial Number:
• (4) Weight:
According to the country of destination,
additional plates can be fitted on the
machine.
For machines aimed at countries which are
members of the European Union (EC marking):
• (5) Manufacturing year:
For machines aimed at countries member of the
Eurasian customs union (EAC marking):
• (6) Model year:
• (7) Manufacturing year:
TYPE
MASSE kg
KUHN S.A.
67700 SAVERNE - FRANCE
N°
MADE IN FRANCE
1
3
2
4
5
09993600
25: Year of Construction
0000
00/0000
26: Model Year
7
6

3. - Identification of the machine
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3.3 Optional equipment
Tick box corresponding to the equipment fitted on
your machine:
FC302G - FC302GI- FC352GI:
Chain stroke limiter.
 Mechanical drawbar shift.
 Hydraulic drawbar pivot control.
 Ribbed knife.
 Lifter disks.
 Quick hitch.
 Secondary PTO transmission shaft with constant velocity joint.
 SMV sign.
 Outline marker lights.
FC302G - FC352G:
Lifter disks.
FC352G:
Swath shield extensions.
Wide spreading shield.

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10 4. - Safety
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4. Safety
4.1 Description of symbols used in
this document
This symbol indicates a potentially hazardous
situation that if not avoided, could result in serious
bodily injury.
Thissymbolisusedto identify special instructions or
procedures which, if not followed strictly, could
result in machinery damage.
This symbol is used to communicate technical
information of particular interest.

4. - Safety
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4.2 Safety instructions
4.2.1 Introduction
The machine must only be operated, maintained
and repaired by competent persons who are familiar
with machines' specifications and operation and
aware of safety regulations for preventing
accidents.
The operator must imperatively respect safety
instructions in this manual and in the warnings
posted on the machine. The operator is also obliged
to respect current legislation concerning accident
prevention, work safety and public traffic circulation.
Designated use of the machine also means
following operation, maintenance and repair
recommendations given by the manufacturer, and
using only genuine spare parts, equipment and
accessories, as recommended by the manufacturer.
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.
The manufacturer is not held liable for any damage
or accident resulting from machine modifications
carried out by the operator himself or by a third party
without previous written agreement from the
manufacturer.
4.2.2 Read and follow the safety instructions
- Before using the machine, carefully read all the
safety instructions in this manual and the warnings
placed on the machine.
- Before starting work, the operator must be familiar
with all machine controls, handling devices and
their functions. It is too late to learn once work has
been started!
- Never let anyone operate the machine who is not
trained to do so.
- Should you have any difficulties in understanding
any parts of this manual, please contact your
KUHN dealer.

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12 4. - Safety
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4.2.3 Safety decals
Safety warning decals are placed in pictorial form on
various parts of the machine. They are there to warn
you of potential dangers and to tell you how to avoid
accidents.
Always keep the safety decals clean and readable,
and replace them when they are worn, damaged,
missing or illegible.
4.2.4 Precautions to be taken before carrying
out any operations on the machine
- Before leaving the tractor or before adjusting,
maintaining or repairing the machine, disengage
the PTO drive, turn off the engine, remove ignition
key and wait until all moving parts have come to a
complete stop and apply park brake.
4.2.5 Precautions when coupling
- Before attaching the machine, make sure that it
cannot accidentally start moving (chock the
wheels) and that the parking stand is in the right
position.
- The machine must only be attached to the hitch
points provided for this purpose.
- Do not stand between the machine lower hitching
points or between the tractor lower hitching points
during coupling maneuvers.
- Never stand between the tractor and the machine
when operating the three point linkage.
- Do not stand between the machine and the tractor
or on the machine without having first applied the
tractor parking brake andplaced the gearbox in the
neutral position.

4. - Safety
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4.2.6 PTO shaft
Use only PTO shafts supplied with the machine or
recommended by the machine manufacturer.
The protective shield of the tractor PTO stub, the
PTO shaft guards and the protective shield of the
machine input shaft must always be in place and in
good condition.
Make sure that the PTO shaft guards are secured
with the safety chains provided. Check that the PTO
shaft guard can turn freely a full rotation
independent of the shaft.
Any worn or damaged guards must be replaced
immediately. A worn guard or an unprotected PTO
shaft can cause a serious or even a lethal accident.
Do not wear loose clothing that could be caught in
the rotating PTO shaft.

FC302G - FC302GI - FC352G
14 4. - Safety
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Mower conditioner
Before attaching or removing a PTO shaft, or before
doing any work on the machine, disengage the PTO
drive, turn off the engine, remove ignition key and
wait for all moving parts to come to a complete stop.
If the primary PTO shaft is equipped with a torque
limiter or a free wheel, these must be fitted on the
machine side.
Ensure that the PTO shaft is always correctly fitted
and locked into place.
Before connecting the PTO shaft, ensure that the
PTO speed (rotational frequency) and direction of
rotation are in line with the machine manufacturer's
recommendations.
Before engaging the PTO drive, make sure that
there are no people or animals near the machine.
Never engage the PTO drive when the tractor
engine is stopped.
Do not install any adapter device that results in a
portion of the tractor PTO stub, the rotating PTO
shaft, or the adapter to be unguarded. The tractor
master shield shall overlap the end of the splined
shaft and the added adaptor device as outlined in
the table.
PTO type Diameter X splines A ±5 mm (0.20’’)
1 35 mm (1.378’’) 6 85 mm (3.35’’)
236 mm (1.417’’) 885 mm (3.35’’)
3 35 mm (1.378’’) 21 85 mm (3.35’’)
445 mm (1.772’’) 20 100 mm (4.00’’)
5 44 mm (1.732’’) 6 100 mm (4.00’’)
A

4. - Safety
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- When uncoupling the machine, rest the PTO shaft
on the support specially provided, and replace
protective shield on the PTO stub of the tractor.
- Read and follow the instructions in the operator's
manual provided with the PTO shaft.
4.2.7 Hydraulic circuit
Caution! The hydraulic circuit is under high
pressure. Maximum pressure at work: 200 bar
(2901 psi).
- Before connecting hoses to the tractor hydraulics,
ensure that tractor and machine circuits are not
under pressure. Before disconnecting a hose,
depressurize the hydraulic circuit.
- To avoid making incorrect connections, mark
hydraulic couplers and corresponding hoses with
colors. WARNING! Functions could be reversed
(for example: lift/lower) and cause accidents.
- Regularly make visual inspection to check if
hydraulic hoses are damaged or worn. In case of
normal wear, the hydraulic hoses must be
replaced every 5 years. Damaged or worn hoses
must immediately be replaced. When replacing the
hydraulic hoses, only use hoses with the
specificationrecommendedbythemanufacturerof
the machine.
- To locate a leak, use appropriate means. Protect
body and hands from liquid under pressure.
- 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.
- Before any adjustments, maintenance or repairs
are carried out, lower the machine to the ground,
depressurize the hydraulics, turn off the engine,
remove ignition key and wait until all moving parts
have come to a complete stop.

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16 4. - Safety
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4.2.8 Remote controlled components
Danger of crushing and shearing can exist when
components areoperated by hydraulic or pneumatic
controls. Keep away from these danger zones.
4.2.9 Precautions when driving
4.2.10 Precautions when driving on public
roads
Dimensions
Tractor handling, stability, performance and braking
efficiency are all affected by weight distribution,
trailed or mounted implements, additional ballast
and driving conditions. It is therefore of great
importance that the operator exercises caution in
every given situation.
Groundspeed must beadapted to ground conditions
as well as to roads and paths. Always avoid abrupt
changes of direction.
Be particularly cautious when turning corners,
paying attention to machine overhang, length,
height and weight.
Never use a narrow track tractor on very uneven or
steeply sloping ground.
Never leave the tractor seat while the machine is
operating.
Carrying people or animals on the machine when
working or in transport is strictly forbidden.
Depending on the dimensions of the machine, contact the relevant authorities to ensure that it can be legally
transported on public roads.
If the machine is over the maximum legal size, follow the local regulations for special transportation of
oversize equipment.

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Gross weight and weight per axle
Transport position
Lights and indicators
Respect the tractor gross weight, its lift capacity or
the permissible maximum load on the attachment
and the maximum load per axle.
The front axle load (1) must never, under any
circumstances, be less than 20% of the tractor's
unladen weight. If necessary, add ballast weights to
the front or to the rear to preserve the steering and
braking efficiency.
Do not exceed the gross machine weight rating or
the maximum machine axle load allowed.
For machines with hoppers or tanks:
- If the total weight exceeds the machine's total gross weight, empty the hopper to travel on
public roads.
- In any case, we recommend to travel on public roads with empty hoppers and tanks.
kg
lb
kg
lb
1
Before transporting the machine on public roads, place the machine into its transport position, according to
the instructions in this manual.
Before transporting the machine on public roads,
ensure that all legally required lightings and
signallings are in place.
Ensure that lightings and signallings are clean and
in good working order. Replace any missing or
broken equipment.
- Always obey current regulations for
driving on roads.

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18 4. - Safety
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4.2.12 Tyres
4.2.13 Precautions to take before using the
machine
4.2.11 Maximum speed
- Always keep to the legal speed limit for driving a
tractor-machine assembly on public roads.
Regularly check the tyre pressure. Respect
manufacturers' recommendations on pressure.
Assembly, disassembly and repair of wheels and
tyres must only be carried out by competentpersons
who are equipped with standardized tools. Before
any work is performed on the wheels, ensure that
the machine rests on the ground and is perfectly
stable so that it cannot move accidentally (put
chocks in place).
Do not wear loose clothing which could become
caught up in moving parts.
Wear the appropriate protective clothing for the
work in hand (gloves, shoes, goggles, helmet, ear
defenders, etc.).
Ensure that all operating controls (ropes, cables,
rods, etc) are placed so as they cannot be operated
unintentionally and cause damage or injury.
Before operating the machine, check tightness of
nuts and bolts, particularly on fixing elements (tines,
forks, blades, knives, etc). Retighten if necessary.
Before operating the machine, ensure that all the
safety guards are firmly in place and in good
condition. Immediately replace any worn or
damaged guard.

4. - Safety
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4.2.14 Precautions during manoeuvres
When moving the machine from the transport
position to the working position and vice versa,
make sure that nobody is within the machine
pivoting area.
4.2.15 Precautions for machine use
After each use, check the cutting tools (discs,
knives) and their attachment hardware in
accordance with the instructions given in the
present manual. Immediately replace any worn,
damaged or missing cutting tool or element. To do
this, use the tool outfit supplied with the machine.
For your safety, only use genuine parts!
Regularly check the condition of the protection
covers. Immediatly replace any worn, damaged or
missing cover. Before engaging the PTO, rest the
cutterbar on the ground. Make sure all the guards
are in place. Keep all persons and animals away
from the danger zone.
Stay a safe distance from the machine when the
cutting tools are in movement.
Never work in reverse.
After disengaging the PTO drive, cuttings tools can
continue rotating for some time. Stay away from the
machine until all moving parts have come to a
complete standstill.
If the machine hits an obstacle, disengage the PTO
drive, stop the tractor engine, remove the ignition
key and wait for all moving parts to come to a
complete standstill. Check the entire machine for
any damage before resuming work.
4.2.16 Projection of stones and foreign
objects
For driver safety, always use a tractor equipped with
a cab. Never start the machine when there are
people nearby.
Even when the machine is used in accordance with
its purpose, objects may be projected. Stones and
other foreign objects projected by the moving parts
can travel a considerable distance. Keep all persons
and animals away from the danger zone.

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20 4. - Safety
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4.2.18 Precautions for maintenance and repair
work
4.2.17 Precautions to take before using the
parking stands
134138: Specific requirements for countries member ofthe Eurasian Economic Community (EAC marking).
134139: Specific requirements for countries memberof the Eurasian Economic Community (EAC marking).
133983: Specific requirements for countries member ofthe Eurasian Economic Community (EAC marking).
133987: Specific requirements for countries memberof the Eurasian Economic Community (EAC marking).
133988: Specific requirements for countries member ofthe Eurasian Economic Community (EAC marking).
Before leaving the tractor or before adjusting,
maintaining or repairing the machine, disengage the
PTO drive, turn off the engine, remove ignition key
and wait until all moving parts have come to a
complete stop and apply park brake.
Rest the machine on the ground, release the
pressure from the hydraulic circuit and leave the
machine to cool down.
Make sure that the parts of the machine that need to
be lifted for maintenance or repair work are firmly
propped up.
Before any work is done on the electric circuit or
before any electric welding is carried out on the
attached machine, disconnect the machine from the
tractor electrical circuit. Also disconnect alternator
and battery terminals.
Repairs on elements under pressure or tension
(springs, pressure accumulators, etc.) must only be
carried out by competent persons with regulation
equipment.
Wear the appropriate protective clothing for the
work in hand (gloves, shoes, goggles, helmet, ear
defenders, etc.).
Do not solder, weld or use a blow torch near fluids
under pressure or inflammable products.
For your own safety and for correct machine
operation, only use original manufacturer parts.
It is strongly recommended to have your machine
checked by your KUHN dealer after each season,
especially tools and their attaching hardware.