KUHN FC703 Operator'S Manual Download Page 58

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Mower conditioner

FC703 RA*

Optional equipment

OPTIONAL EQUIPMENT

1. PTO shafts

Part no. 4600661

A specific yoke is available as option for tractors

equipped with a 1 3/4’’ - 6 spline pto stub.

Part no. 4600660

A specific yoke is available as option for tractors

equipped with a 1 3/4’’ - 20 spline pto stub.

Part no. 4600663

A specific yoke is available as option for tractors

equipped with a 1 3/8’’ - 6 spline pto stub.

Part no. 4600662

A specific yoke is available as option for tractors

equipped with a 1 3/8’’ - 21 spline pto stub.

2. Raised skid shoes

Kit no. 1076530.

The raised skid shoes enable mowing higher, between

60 and 120 mm (2.4’’ - 4.8’’).

Replace the end disc skids by the 2 raised skid shoes.

The use of raised skid shoes is also
recommended on sticky grounds.

The width in transport position increases
when the "raised skids" optional equipment
is mounted.

Summary of Contents for FC703

Page 1: ...KN101KGB A OPERATOR S MANUAL Mower conditioner FC703 RA KN101KGB A English 04 2008 Fast fit knives...

Page 2: ......

Page 3: ...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...

Page 4: ...d in this document 6 Safety instructions 7 Location and description of safety decals on the machine 16 Road safety equipment and recommendations 19 Machine specifications 20 Description and glossary 2...

Page 5: ...chine in headland turn position 47 Adjustments in working position 48 Machine use 54 Optional equipment 56 PTO shafts 56 Raised skid shoes 56 Wide swathing kit 57 Maintenance and storage 65 Frequency...

Page 6: ...Mower conditioner 4 FC703 RA Identification of the machine IDENTIFICATION OF THE MACHINE 1 Front view Working position 2 Rear view transport position...

Page 7: ...d to the dealer for all spare parts orders Type FC703 RA Serial no 4 Optional equipment Tick box corresponding to the equipment fitted on your machine Part no 4600661 1 3 4 6 spline pto shaft Part no...

Page 8: ...ates a potentially hazardous situation that if not avoided could result in serious bodily injury This symbol is used to identify special instructions or procedures which if not followed strictly could...

Page 9: ...t only be operated maintained and repaired by competent persons who are familiar with machine specifications and operation and aware of safety regulations for preventing accidents The operator must im...

Page 10: ...are firmly in place and in good condition Immediately replace any worn or damaged guard Precautions when driving Precision steering tractor adherence road holding and efficient braking are influenced...

Page 11: ...ircumstances 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 Transport position Before tran...

Page 12: ...draulic circuit To avoid making wrong connections mark hydraulic couplers and corresponding hoses with colours WARNING Functions could be reversed for example lift lower and cause accidents Regularly...

Page 13: ...k on the machine disengage the PTO drive turn off the engine remove ignition key and wait for all moving parts have come to a complete stop If the primary PTO shaft is equipped with a slip clutch or a...

Page 14: ...these danger zones Hydro pneumatic accumulator A hydro pneumatic accumulator contains nitrogen under pressure risk of suffocation in closed rooms Repairs maintenance or putting into service must only...

Page 15: ...ents Always keep the safety decals clean and readable and replace them when they are worn damaged missing or illegible Waste disposal Respect the environment Never spill pollutants oil grease filters...

Page 16: ...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 protecto...

Page 17: ...ual 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 conditio...

Page 18: ...Mower conditioner 16 FC703 RA Safety 3 Location and description of safety decals on the machine Location of safety decals...

Page 19: ...age 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 Danger accumulator 3 The hydro pneumatic accumulator contain...

Page 20: ...es all the time the engine is running the PTO drive engaged and the moving parts have not come to a complete stop Cutting tools 7 The cutting tools and their attachment hardware meet safety and reliab...

Page 21: ...nt safety regulations The device is composed of A signalling panel 1 2 signalling lights 2 2 red reflectors 3 Always keep to the legal speed limit for driving a tractor machine assembly on public road...

Page 22: ...er 20 FC703 RA Machine specifications MACHINE SPECIFICATIONS 1 Description and glossary 1 Main frame 2 Swath shield 3 Lift cylinders 4 Side guards 5 Crank 6 Hydro pneumatic accumulator 7 Pressure gaug...

Page 23: ...eld 4 Pressure gauge 5 Conditioning fingers 6 Conditioning rotor 7 Parking stand 8 Hitch pins 9 Three point hitch coupler 10 Main frame 11 Ground pressure adjustment cylinder 12 Central gearbox 13 Hyd...

Page 24: ...oner 22 FC703 RA Machine specifications 0 1 Right mowing unit 2 Left mowing unit 3 Transport hook 4 Transport lock 5 Crank 6 Side guard 7 Side gearbox 8 Carrying frame 9 Safety cover 10 Grease pump 11...

Page 25: ...tions Mower conditioner FC703 RA 23 0 1 Disc 2 Cutterbar 3 Conditioning fingers 4 Conditioning rotor 5 Disc with cone 6 Crop flow divider 7 Central ground pressure adjustment cylinder 8 Cutterbar inte...

Page 26: ...on 3 00 m 9 10 Height in transport position 3 90 m 12 10 Disc rotational speed 2986 min 1 Rotor speed 900 min 1 Rotor width 2 X 3 00 m 9 10 Swath width 1 1 4 m 3 3 4 7 PTO speed 1000 min 1 Weight 3800...

Page 27: ...Description of control elements The machine is fitted with the following components A crank for operating cutterbar locks Control box The machine is supplied with a tool for replacing the knives The...

Page 28: ...6 FC703 RA Putting into service Description of the controls ON OFF TOGGLE SWITCH Work light toggle switch Centralized greasing toggle switch Flashing warning beacon Flashing warning beacon not supplie...

Page 29: ...t excessive electrical current Part no 83233046 Description of the connection The control box 1 is connected to electric relay box 2 For tractors not fitted with a 3 pin socket a wiring harness can be...

Page 30: ...f coupling elements 2 hydraulic hoses pressurizing the machine transport work position cylinder 1 2 hydraulic hose pressurizing the machine ground pressure adjustment system 2 2 hydraulic hoses pressu...

Page 31: ...d The tractor must used with reverse drive mode Check that the tractor s authorized gross weight as well as its lift capacity and maximum weight per axle are not surpassed The front axle load 1 must n...

Page 32: ...st be equipped with 1 double acting hydraulic valve controlling the machine transport work position setting 1 double acting hydraulic valve controlling the machine ground pressure adjusment system 1 d...

Page 33: ...yokes Insert hitch pins in yokes Secure with lynch pins Attach top link 1 to the tractor Lift machine using tractor lift linkage until clearance underneath parking stand is sufficient to remove it Re...

Page 34: ...hydraulic hoses 2 of machine ground pressure adjustment system to 1 double acting hydraulic outlet Connect hydraulic hoses 3 of swath shield setting cylinder to 1 double acting hydraulic outlet Elect...

Page 35: ...retracted tubes should not butt against the yokes As a safety measure a clearance L of at least 25 mm 1 must be maintained When the PTO shaft is in its maximum extended position the tube overlap must...

Page 36: ...Shear bolt The secondary PTO shafts are fitted with a shear bolt 1 Bolt Part no 80061049 Torque 5 daN m 37 lbf ft Nut Part no 80201030 Before adjusting maintaining or repairing the machine turn off ig...

Page 37: ...ical adjustment of the levelling rods Shorten lower link levelling rods 1 at the maximum to increase headland turn height Frame height adjustment Working position Lower the tractor lift linkage so tha...

Page 38: ...to unlock mowing units a Activate the transport work cylinder control valve in the lower in work position The machine is in parking position Detach the top link from the machine end Lift machine off g...

Page 39: ...ground Uncouple and place PTO shaft in support 1 Disconnect and store signalling plug on holder 2 Disconnect and store hydraulic hoses on holder 3 Uncouple the lower links Lower the tractor three poi...

Page 40: ...ctivate the transport work cylinder control valve in the pivot into transport position Remove R clip 1 Pull crank 2 out of its holder Fully rotate crank clockwise a to lock right mowing unit transport...

Page 41: ...r interconnecting lock Place crank in its holder Insert crank in ring 1 Secure using R clip 2 Remove pin 1 Fold side guard 2 upwards using handles 3 Lock guard with lynch pin 1 Activate swath shield c...

Page 42: ...40 FC703 RA Instructions for transport Activate the transport work cylinder control valve in the pivot into transport position The transport lock engages automatically Make sure that transport lock 1...

Page 43: ...ransport position Place switch 1 in position b to stop the centralized greasing during transport Never engage the tractor PTO drive when the machine is in transport position When driving on roads avoi...

Page 44: ...4 11 from the ground In countries requiring the use of a flashing warning beacon switch on beacon to warn other road users of the unusual dimensions of the machine and its slow speed of travel Make su...

Page 45: ...lve in the pivot into transport position to release tension on the transport lock Activate the swath shield cylinder control valve in the swath shield opening position to unlock mowing units a Before...

Page 46: ...lve in the lower in work position until the 2 mowing units are fully lowered Keep hydraulics pressurized until the right mowing unit moves sideways agains the mowing unit Remove R clip 1 Pull crank 2...

Page 47: ...rn to lock the interconnecting cutterbar lock 1 Turn crank counterclockwise at 60 from 1 to unlock transport hook a Place crank in its holder Insert crank in ring 1 Secure using R clip 2 Lower side gu...

Page 48: ...tion until cylinder reaches travel end Operate machine suspension hydraulic valve to reduce mowing unit suspension pressure Suspension pressure must be comprised between 60 and 100 bar 870 1450 psi Ad...

Page 49: ...rn position Maximum headland turn clearance is reached in highest lift linkage position The headland turn clearance depends on distance L For a minimum length L The headland turn clearance will be max...

Page 50: ...chine on the ground to remove weight from the top link Modify the top link length to alter the machine tilt angle Check cutting height If the tractor is fitted with a hydraulic top link the machine ti...

Page 51: ...reduce ground pressure Check the pressure given on the gauge NORMAL operating pressure 80 bar 1160 psi MINIMUM operating pressure 60 bar 870 psi MAXIMUM operating pressure 100 bar 1450 psi The pressur...

Page 52: ...distance between the conditioning hood and the conditioning rotor Adjustment Tighten nuts 1 to reduce conditioning intensity Loosen nuts 1 to increase conditioning intensity Before carrying out any ma...

Page 53: ...RA 51 Conveyor belt speed adjustment Adjust conveyor speed using thumbwheel Minimum speed 1 Maximum speed 10 Before adjusting maintaining or repairing the machine turn off ignition key and wait until...

Page 54: ...The control device enables making the following adjustments Increase or reduce the greasing time minute Increase or decrease the time period between each greasing hour The greasing system is factory...

Page 55: ...r work Mower conditioner FC703 RA 53 The warning light is on during greasing time Press button 1 to carry out the following tasks Check the good functioning of the centralized greasing Make a greasing...

Page 56: ...During work only use the tractor lift linkage to place the machine in headland turn position Swath configuration The swathing system can be set in two positions Closely placed swaths configuration Be...

Page 57: ...C703 RA 55 Configuration for use in single swath Groundspeed Management of the centralized greasing system Adapt the forward speed to the working conditions Check that the centralized greasing is func...

Page 58: ...cific yoke is available as option for tractors equipped with a 1 3 8 6 spline pto stub Part no 4600662 A specific yoke is available as option for tractors equipped with a 1 3 8 21 spline pto stub 2 Ra...

Page 59: ...A 57 3 Wide swathing kit Kit no 1076520 Fitting Removing the belt conveyors Remove 4 bolts 1 Remove hydraulic pump 2 Remove nut 1 and washer 2 Remove splined shaft 3 Reinstall hydraulic pump 2 Reinsta...

Page 60: ...Mower conditioner 58 FC703 RA Optional equipment Remove R clips 1 Remove cover mounting tube 2 Remove screw 1 Remove holder 2 Remove pulley 3 Position a pallet underneath the conveyor...

Page 61: ...the hydraulic hoses 1 Slide hoses 1 out of eyelets 2 Connect hoses together with a double connection Wind and store hoses on the frame Remove bolt 2 and nut 1 Remove bolt 3 and nut 4 Remove conveyor R...

Page 62: ...Mower conditioner 60 FC703 RA Optional equipment Removing the swath shield Remove bolt 1 and nut 2 Remove the supports 1 Remove hoses Remove bolts 1 and nuts 2...

Page 63: ...Remove cord 1 Remove the unit Fitting the wide swathing device Fit extensions 1 Install the 4 screws 2 nuts 3 and washers 4 Torque 4 9 daNm 37 lbf ft Fit the 2 spreading fins 1 Install the 4 screws 2...

Page 64: ...nal equipment Fit the 2 spreading fins 1 Install the 4 screws 2 nuts 3 and washers 4 Torque 2 5 daNm 19 lbf ft Fit rear plates 1 and 2 L1 1707 mm 5 7 L2 1652 mm 5 5 Install the 22 screws 3 nuts 5 and...

Page 65: ...FC703 RA 63 Fit rear plates 1 and 2 L3 1267 mm 4 2 L4 1707 mm 5 7 Install the 22 screws 3 nuts 5 and washers 4 Torque 2 5 daNm 19 lbf ft Fit the 2 double deflectors 1 Install the 6 screws 2 nuts 4 and...

Page 66: ...rcement brackets 1 Install the 16 screws 2 nuts 4 and washers 3 Torque 4 9 daNm 37 lbf ft Fit the 2 covers 1 and back plates 2 Install the 24 screws 3 nuts 5 and washers 4 Torque 2 5 daNm 19 lbf ft Fi...

Page 67: ...e 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 After the first 10 hours of use Every 100 hours Ever...

Page 68: ...Every 100 hours Every 200 hours or at the end of the season Every 2 years Maintenance Check Conveyor belt tension 3 3 Hydraulic tank oil level 3 3 Mowing unit alignment 3 Interlocking of the right mow...

Page 69: ...Primary PTO shaft Every 250 hours universal joints 1 Every 40 hours transmission tube 2 guide rings 3 Secondary PTO shafts Every 250 hours universal joints 1 Every 40 hours transmission tube 2 guide r...

Page 70: ...disc skid 1 Pour the correct oil quantity and quality through the opening of the filler plug Clean and reinstall filler plug 2 and its washer Before draining oil operate the machine for a few minutes...

Page 71: ...orresponds to the mark on the dipstick plug The MIN level corresponds to the end of the disptick plug Before draining oil operate the machine for a few minutes so that the oil warms up The angle gearb...

Page 72: ...iller plug 2 Check central gearbox oil level The oil level must reach lower part of level plug hole 3 Reinstall level plug 3 Reinstall filler plug 2 Before draining oil operate the machine for a few m...

Page 73: ...he filler plug 1 Check gearbox oil level The oil level must reach lower part of level plug hole 2 Reinstall level plug 2 Reinstall filler plug 1 Before draining oil operate the machine for a few minut...

Page 74: ...Clean and reinstall drain plug 7 and its washer 6 Replace gasket 6 if necessary Part no 82131824 Pour the correct oil quantity and quality through the opening of the filler plug 5 Replace the tank fi...

Page 75: ...sition a to energize centralized greasing Regularly check tank grease level The grease level must always be between maximum and minimum level Fill up if necessary through filling hole 1 The machine is...

Page 76: ...shaft 1 to tension conveyor belt 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...

Page 77: ...FC703 RA 75 Measure dimension L If measure L is comprised between 1505 mm 4 11 25 and 1510 mm 4 11 44 The conveyor is tensioned If measure L is below 1505 Rotate shaft 1 to tension conveyor belt Measu...

Page 78: ...level in tank The oil level must be located in the maximum area Top up if necessary The drive system Following all service operations on the drive system check that the distance between the side gear...

Page 79: ...wer conditioner FC703 RA 77 Mowing unit alignment Check visually that the two mowing units are in line L1 L2 If the mowing units are not in line Adjust length L of right mowing unit rod 1 so that both...

Page 80: ...hine in transport position Increase mowing unit ground pressure to 180 bar 2610 psi Check horizontal alignment of ball pivot 1 and righ mowing unit transport hook 2 If the ball pivot is not in line wi...

Page 81: ...Remove belt guard Loosen nut 1 to slacken belts 2 Remove the 4 V belts Install new belt set Tighten nut 1 until washer buts against holder 3 Reinstall belt guard Tightening torque 4 9 daN m 36 lbf ft...

Page 82: ...their seals 1 and 2 Replace if necessary If in doubt as to the oil quantity contained in the cutterbar fully drain and refill cutterbar respecting recommended oil quantity and quality Before checking...

Page 83: ...in the following cases Damaged knives Very rough conditions can cause knives to crack and become deformed Worn knives Knife length C must exceed 65 mm 2 6 Knife width B measured at a distance A of 10...

Page 84: ...ter line of the bolt When diameter D of the bolt shoulder is less than 14 mm 0 55 Replace nuts in the following cases 1 When nut wear reaches 5 mm 0 2 Replace spring plate in the following cases 3 Whe...

Page 85: ...ate Fully insert special tool between disc and spring plate Before carrying out any maintenance or repairs on the machine switch off the tractor engine remove ignition key wait until all moving parts...

Page 86: ...ut and bolt are in good condition and if necessary replace them Torque 12 daN m 89 lbf ft Dull knives require more horse power and have a negative effect on the cut quality Check that screw head 2 is...

Page 87: ...tion 4 blocks between ground and cutterbar Place a wooden wegde 2 between two discs to stop them from moving Remove 2 bolts 1 and their spring washers using the box spanner supplied with the machine R...

Page 88: ...storage Remove the 2 screws 1 and their spring washers Remove the disc 2 When remounting Position their largest diameters at right angles to each other Position conical centre of spring washer at the...

Page 89: ...plate 1 Refit the disc Refer to Disk replacement section Outer and inner cones In parking position Position 4 blocks between ground and cutterbar Check torque of attachment bolts 1 of outer and inner...

Page 90: ...tank filter cartridge Loosen the 4 self locking screws 1 Remove filter upper plate 2 Take hold of spring 3 Replace filter 4 Part no 82340002 Reassemble the unit Clean The belts With the machine in tra...

Page 91: ...Maintenance and storage Mower conditioner FC703 RA 89 Remove bolt 1 and nut 2 Rotate pin 1 to loosen belt tension Clean belt inside a Tighten the conveyor...

Page 92: ...Mower conditioner 90 FC703 RA Maintenance and storage Reinstall rollers 3 Reinstall bolts 1 and nuts 2 Reinstall caps 1 Repeat procedure on the second belt...

Page 93: ...onditioning rotor Slacken V belts and check their condition Depressurize all hydraulic functions At the start of each season Read through the operator s manual again Pressurize the hydraulic circuit C...

Page 94: ...eight with regards to the ground Excessive ground speed Reduce ground speed Insufficient ground pressure Reduce accumulator pressure Suspended front axle unlocked If possible lock the suspended front...

Page 95: ...dland turn position Incorrect tractor lift linkage setting See machine attachment Too long levelling rod adjustment on tractor 3 point lift Shorten levelling rods on tractor 3 point lift The mowing un...

Page 96: ...Mower conditioner 94 FC703 RA Limited warranty LIMITED WARRANTY...

Page 97: ...Limited warranty Mower conditioner FC703 RA 95...

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