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Maintenance and storage

Mower conditioner

FC703 RA*

The conditioner belts

The automatic tensioning device ensures correct tension

throughout the belt's service life.

Belt set replacement

Remove 4 bolts (1).
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).

Never replace belts individually. When a belt is
damaged, always replace the whole set (Part
no. 83101688).

Should the belts no longer drive, they have
reached their useful service life.
Replace belts in full sets.

Содержание FC703

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

Страница 2: ......

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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