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Hayter Mowers T424 User's Manual

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2. T E 71 10950801 1 Front wheel motor 2 Rubber plug 3 Brake release bar 4 Washer M12 09485 5 Setscrew M12 x 40 ZDH1L040U 953910KG141004 GRASS CUTTING FAULTS GRASS CUTTING FAULTS FAULT Areas of uncut grass at point of overlap between cutting cylinders POSSIBLE CAUSE Turning too tightly Mower sliding sideways when travelling across face of a slope One end of cutterhead out of ground contact caused by Poorly routed hoses or wrongly positioned hydraulic adaptors Pivot pins seizing Grass build up under cutterhead REMEDY Reduce turning radius Mow up down slope Reroute hoses reposition hydraulic adaptors Free off and grease pivot pins Remove grass Ridge lines in the cut across the direction of travel over full width Forward speed too high Cylinder speed too slow Height of cut too low Reduce forward speed Increase mower engine speed Raise height of cut Ridge lines in the cut grass across the direction of travel over the cutting width of one cylinder Step in cut grass height at point of overlap between cutting cylinders Cylinder is running slow Inconsistent height of cut setting on one
3. Sunoloo 2 2 02 0 953910KG141004 ELECTRICAL CIRCUIT DIAGRAM ITEM NO 45 46 4T 48 49 50 51 52 53 54 55 56 57 58 DESCRIPTION Alternator Regulator Engine Temperature Sender supplied with temp kit Glow Plugs Switch Engine Overheat Solenoid Fuel Engine Hourmeter Switch Return filter Solenoids Work Transport Mode Fuse Engine Glow plugs 60A Fuse Main 60A Diode Parking Brake Diode Seat Switch Relay Seat Switch PART NO SA 4259 12 950950 910850 910627 950868 950868 70 09 148 953910KG141004 1 7 TRANSMISSION BRAKE HYDRAULIC CIRCUIT 1 79 c gm S N ue ul o 28 p pu Y7 5 9 CUTTER amp AUXILLIARY CIRCUITS 953910KG141004 1 80 TRANSMISSION BRAKE HYDRAULIC CIRCUIT 1 80 ITEM NO DESCRIPTION PART NO Motor Front Wheel Twinlock 332cc Rev 953686 Motor Front Wheel Twinlock 332cc Rev 953682 Manifold Front Transmission 953683 Valve Solenoid Work Transport Valve Pilot Operated Diff Lock Relief Valve Serial Lines 80 bar Valve Solenoid Diff Lock Relief Valve Front Motor 375 Bar amp t2 9 Flow Divider Front Wheels 10 Valve Pilot Operated Diff Lock 11 Shuttle Valve Hot Oil Purge 953687 12 Relief
4. PROBLEM POSSIBLE CAUSE REMEDY Engine will not start with Transmission neutral interlock Remove foot from ignition key switch not energised forward reverse travel pedal Check setting of transmission neutral interlock switch Parking brake interlock switch Operate parking brake lever to not energised the position Check setting of parking brake interlock switch Cutterhead drive interlock Move cutterhead drive switch to switch not energised the OFF position Check setting of cutterhead interlock switch Faulty electrical connection Trace and correct fault For all other engine problems refer ENGINE HANDBOOK Flat Battery Terminal connection Clean and tighten loose or corroded terminal connections Recharge battery Loose or defective Re tension or replace alternator belt drive belt refer ENGINE HANDBOOK Defective battery Recharge battery Replace battery Electrical short circuit Trace short circuit and make good 953910KG141004 TROUBLE SHOOTING TROUBLE SHOOTING Continued PROBLEM POSSIBLE CAUSE REMEDY Differential lock non operational Defective switch Defective solenoid valve Defective wiring Check switch and replace if necessary Service or replace solenoid valve Check wiring connections as necessary Hydraulic oil sys tem overheating Blocked radiator screen Blocked oil cooler fin
5. CUTTERHEAD LIFT SYSTEM AND STEERING Drive Type Pump Delivery Rate Steering Cutterhead Lift Control Wing Units Relief Valve Weight Transfer Hydraulic Hydraulic gear pump with integral relief valve 11 Litres per minute Power beyond hydrostatic steering valve with priority flow to steering and auxiliary flow to cutterhead lift system Manual emergency steering Mechanical hydraulic Mechanical spring power assistance to lower 105 bar 1522 psi Variable hydraulic applied weight transfer acting on all cutterheads HYDRAULIC SYSTEM Hydraulic Oil Type Capacity Cooling Suction Line Filtration Return line Filtration Transmission Filtration Cleanliness Level Maximum Oil Temperature Refer RECOMMENDED LUBRICANTS AND HYDRAULIC FLUIDS 77 Litres Forced air finned tube oil cooler 125 micron no bypass mesh filter 10 micron with 2 bar 29 psi bypass check valve 10 micron no bypass pressure filter ISO Code 18 13 or better ISO 4406 1300 2500 Particles ml lt 15y 40 80 Particles ml gt 15y 95 953910KG141004 SPECIFICATIONS VEHICLE SPECIFICATIONS Travel Speed 0 25 km h 0 15 mph forward 0 11 km h 0 7 mph reverse Tyres Tyre Type Recommended Tyre Pressures Turf Conditions Road Conditions Max Pressure Front axle 26x12 12 4ply 0 7 bar 1 4 bar 1 7 bar Trelleborg
6. STOPPING THE ENGINE stop the engine Turn the ignition key to position 0 N WARNING PREVENT ACCIDENTS If the engine fails to stop when the ignition key is turned to O operate the fuel control lever to the engine stop position as shown Keep hands clear of moving objects and hot engine parts whilst the engine is running 1 Engine stop position 2 Engine run position 3 Stop solenoid 953910KG141004 OPERATING THE MOWER GENERAL OPERATING HINTS l The rotational speed of the cutting cylinders should always be kept as high as possible in order to maintain the highest quality of cut This in turn requires that the engine speed be kept as high as possible 2 The quality of cut will deteriorate if the forward speed is excessive Always balance the quality of cut with the workrate required and set the forward speed accordingly 3 Never let the engine labour Reduce the forward speed or increase the height of cut Check that the cutting cylinders are not in heavy contact with their bottom blades 4 Regularly check the cutting cylinder to bottom blade adjustment every few hours even though cutting performance appears to be satisfactory Heavy contact or excessive clearances between the cylinder and bottom blades will cause rapid wear to take place 5 Always disengage the cutterhead drive when travelling across ungrassed areas Gr
7. following fluids are identified as being hazardous Substances Assessed risk Diesel oil Low Lubricating oil Low Hydraulic oil Low Grease Low Anti freeze Medium Battery acid High When using any of the above fluids it is recommended that eye protection and gloves are worn and that care is taken to prevent spillage Avoid contact with skin wash off spillage with soap and water In the case of battery acid drench with water and seek medical attention Remove any contaminated clothing and clean thoroughly before use Avoid contact with eyes wash with running water and seek medical attention if symptoms persist In the case of battery acid seek medical attention immediately Avoid ingestion if swallowed seek medical attention Keep clear of high pressure fluid escaping from pinholes cracked connections etc High pressure fluid can penetrate the skin Seek immediate medical advice if any fluid is injected into the skin Always use a piece of cardboard or paper when searching for leaks CAUTION PREVENT ENVIRONMENTAL DAMAGE Dispose of hazardous substances correctly When disposing of hazardous waste products take them to an authorised disposal site Waste products must not be allowed to contaminate surface water drains or sewerage systems CAUTION PREVENT ENVIRONMENTAL DAMAGE Dispose of a used battery correctly The battery has a separate collection mark This means that the battery must not be disposed of with gener
8. Check mechanical and electrical operation of switch Fill hydraulic oil reservoir to correct level Free off and lubricate or replace the diverter valve as necessary Check motor and cylinder drive shafts and replace if necessary Have relief valve cleaned and pressure checked Consult your Hayter dealer Free off as necessary Readjust setting Overhaul control valve Have electrical system checked Cylinders rotate in wrong direction Hoses wrongly connected Cutterhead drive switch wrongly connected Check hydraulic circuit and reconnect as necessary Check switch electrical connections 953910KG141004 953910KG141004
9. TRANSMISSION NEUTRAL INDICATOR LIGHT Illuminates when the travel control pedal is in the neutral position and the ignition key is turned to position I Note The parking brake must be engaged for the transmission neutral indicator light N to illuminate 5041 CUTTERHEAD DRIVE SWITCH INDICATOR LIGHT Illuminates when the cutterhead drive switch is in the off position and the ignition key is turned to position 529 Syl 5046 PARKING BRAKE INDICATOR LIGHT Illuminates when the parking brake is engaged and the ignition key is turned to posi tion P P 5045 HYDRAULIC RETURN INDICATOR LIGHT Illuminates when the return filter element is blocked Note The engine must be running for the hydraulic return filter indicator light to illuminate The indicator light may illuminate briefly when the hydraulic oil is cold HYDRAULIC TRANSMISSION FILTER INDICATOR LIGHT Illuminates when the transmission filter element is blocked Note The engine must be running for the hydraulic return filter indicator light to illuminate The indicator light may illuminate briefly when the hydraulic oil Es is cold 5 TRANSMISSION SYSTEM WORK MODE INDICATOR LIGHT Illuminates when the transmission system work mode is selected and the ignition key turned to position ws055 953910KG141004 OPERATING THE MO
10. cutterhead drive switch to the Forward position Reverse rotation cutterhead drive engagement Operate the cutterhead drive switch to the Reverse position disengage all cutterhead drives Operate the cutterhead drive switch to the Off position WARNING PREVENT ACCIDENTS Refer OPERATOR PRESENCE CONTROLS for additional information 1 Forward 2 Off 3 Reverse 953910KG141004 OPERATING THE MOWER WEIGHT TRANSFER TRACTION ASSISTANCE A variable hydraulic weight transfer system is provided for improving tyre grip with the grass surface Traction Assistance Hydraulic pressure in the cutterhead lift system provides a lifting force which reduces cutterhead weight on the ground and transfers the weight as a downward force onto the mower s tyres This action is known as Weight Transfer To engage weight transfer The amount of weight transfer can be varied to suit operating conditions by rotating the weight transfer hand wheel as follows Release the lock wheel underneath the hand wheel 1 2 turn anti clockwise and hold Rotate the hand wheel Anti clockwise to reduce weight transfer Clockwise to increase weight transfer Tighten the lock wheel 1 Weight transfer hand wheel 2 Lock Wheel 3 Control Panel 4A922A02A STARTING THE ENGINE N WARNING PREVENT ACCIDENTS Before starting the engine check that Th
11. it may be noticeable that centre unit produces a higher cut finish compared to the wing units The centre unit is pulled and the wing units are pushed this presents marginally different cutting angles relative to the ground The amount of HOC varia tion which results from this will be influenced by the terrain but satisfactory results can usually be achieved by setting the centre cutterhead HOC indicator ring lower than the wing unit settings 953910KG141004 OPERATING THE MOWER CUTTERHEAD GENERAL INFORMATION The mower is designed to be used with MK3 200mm fixed or floating cutterheads or MK3 254mm fixed cutterheads It is essential that the relationship between the bottom blades and the cutting cylinders are kept in good adjustment and that cutting edges are kept sharp to ensure good cutting performance minimum power consumption and prolonged life for the cutting edges refer MAINTENANCE Cutterheads Fixed MK3 200mm 254mm Cutterheads When the mower is set up with fixed cutterheads the height of cut is gauged by the rear roller and the cutterhead is allowed to pivot laterally to follow ground contours This arrangement is normally recommended for general mowing requirements MK3 200mm Cutterhead illustrated Floating MK3 200mm Cutterheads When the mower is set up with floating cutterheads the height of cut is gauged by the front and rear rollers
12. minate Refer OPERATING THE MOWER Operate the switch to the forward position The indicator light should go out and the engine should not start when the ignition key is turned Repeat for the reverse position Parking brake interlock switch Stop the engine Engage the parking brake and turn the ignition key to position I The parking brake indicator light should illuminate Refer OPERATING THE MOWER Disengage the parking brake The indicator light should go out and the engine should not start when the ignition key is turned Transmission neutral interlock switch Stop the mower engine and remove the foot from the for ward reverse travel pedals Turn the ignition key to position and the transmission neutral indicator light should illuminate Application of light pedal pressure in a forward and reverse direction should cause the indicator light to go out Take extreme care to ensure that the area around the mower is clear before checking that the engine will not start under this condition 953910KG141004 MAINTENANCE EVERY 50 HOURS Perform routine checks Refer DAILY BEFORE USE Check cutterhead roller bearing adjustment IMPORTANT PREVENT DAMAGE It is essential that the cutterhead roller bearings are kept in good adjustment in order to ensure maximum working life If end float is allowed to become excessive premature bearing failure will result Grip the roller and move from s
13. Cutters Lift Cutters Hold m Cutters Drop Float n Hour Meter Decal Inclines Part No 924857 1 Location Centre Platform a Warning Travel slowly when turning and on slopes b Warning Maximum slope without ROPS c Warning Seat belt must be worn with a ROPS fitted d Caution e Read operators manual f Stop engine Remove ignition key before servicing or maintenance g Beware of flying objects h Keep bystanders clear Decal Danger Latch Part No 70 13 077 Location LH RH Centre Arms a Caution b Stop engine Remove ignition key before releasing or operating safety latches Decal Diesel Part No 70 13 078 Location Fuel Tank Diesel fuel only Decal Transmission Oil Part No 70 13 071 Location Oil Filler Bracket mounted behind Fuel Tank a Transmission oil b Read and understand the operators manual amp LL UE AL MACHNEWIH RECOM BEFORE MENDED OLO CORRECT LEVEL FALURE O DOD WILL CAUSE SEROUS DAMAGEANDN VAUDAE WARRANTY AVANTLUILEA TON IL EST DE REMPLR LA TONDEUSE AVEC UNE HULE SPECEE AU NIVEAU EXACT POUR NE PAS LENDOMMAGERSERELSEMENT ETANNUER IAGARANIE VOR DEM GEBRAUCH F LLEN SE DIE MASCHNEMITEMPFOHIENEM L NACHBS AUF DEN RICHIGEN STAND DIE INSIRUKTONEN KANN ZU ERNSIHAFIEN SCHADEN FUHREN UNDDAEB WRD DE GARANTE UNG LTIG VOOR GEBRUIK VUL MACHINE
14. The cutterhead is allowed to pivot fore and aft as well as laterally This arrangement is recommended for high quality grass areas and performs well where grass is short and the ground undulations are severe Grass deflectors The rear grass deflectors must always be correctly fitted The deflectors should be set as low as possible to deflect grass discharge to the ground A WARNING PREVENT ACCIDENTS Always ensure that the grass deflectors are angled below horizontal level otherwise risks to health and safety may result Height of cut gauge An optional height of cut gauge is T TF available to assist in achieving accurate cut height settings It i 0 5 Op is suitable for both fixed and floating cutterheads Hayter Part 63 01 760 953910KG141004 OPERATING THE MOWER MK3 200mm FIXED CUTTERHEAD Height of cut adjustment The height of cut is gauged by the position of the rear roller Turn the adjusting nut assembly both ends clockwise to decrease height of cut E or anti clockwise to increase height of cut IMPORTANT PREVENT DAMAGE Do not attempt to unlock the nut assemblies Ensure that all cutterheads are set at the same height of cut by either referring to the indicator rings or by using a height of cut gauge across the full width of each cutterhead for greater accuracy as sho
15. Valve Hot Oil Purge 13 Relief Valve Serial Line 375 Bar 953710 14 Wheel Motor Rear 130cc Rev 953685 15 Pump Transmission 52cc Rev 953684 16 Relief Valve Charge Pump 29 Bar 17 Relief Valves Fwd Rev 350 Bar 18 Oil Cooler 950606 19 Filter Charge 10 Micron 950597 20 Filter Return 10 Micron 924865 21 Hydraulic Oil Tank 953802 22 Check Valve Transmission Fwd Rev 23 Suction Strainer 125 Micron 950608 24 Valve Brake 70 06 015W 25 Check Valve 26 Orifice 1 5mm Dia 953910KG141004 z lt Q 5 p A E 4 2 bmi lt 2 gt 0265642 953910KG141004 HYDRAULIC CIRCUIT DIAGRAM ITEM NO DESCRIPTION PART NO 1 Gear pump Centre Cutterhead Drive 74 06 154 2 Gear pump Wing Cutterhead Drive 74 06 154 3 Gear pump Steering and Cutterhead Lift 74 06 154 4 Relief Valve Steering 110 bar 5 Steering Unit 910649W 6 Check Valve Steering Shock Bypass R H 7 Check Valve Steering Shock Bypass L H
16. Wing Cutterhead 250 bar 953610 38 Diverter Valve R H Wing Cutterhead 953601 39 Hydraulic Motor R H Wing Cutterhead 910696 40 Check Valve Orifice R H Wing Cutterhead 41 Diverter Valve L H Wing Cutterhead 953601 42 Hydraulic Motor L H Wing Cutterhead 940602 43 Check Valve Orifice L H Wing Cutterhead 44 Test Point Cutterhead Drive Wing 910615 45 Test Point Cutterhead Drive Front amp Centre 910615 46 Test Point Weight Transfer 910615 47 Front Transmission Manifold 950616 48 Return Bypass Manifold 910616 49 Check Valve Oil Cooler Bypass 4 bar 910641 50 Suction Strainer 950608 51 Oil Cooler 950606 52 Return Filter Bypass Check Valve 2 Bar 924865 53 Oil Tank 953802 54 Orifice Wing Cutterhead Hydraulic Cylinder 1 4mm 2 pl 65 06 019 953910KG141004 WARRANTY WARRANTY HAYTER LIMITED warrants to the original user purchaser that this unit shall be free from defects in material and workmanship for a period of 12 calendar months from the date of delivery This warranty excludes proprietary items which have the benefit of the supplying manufacturer s warranty Engine manufacturers furnish their own warranties and provide services through their authorised network If you experience any difficulty please contact your specialist Hayter dealer It is the end user s purchaser s responsibility to ensure that the service schedule and service book as applied are acted upon HAYTER L
17. Worn pump or motor Low hydraulic oil level Incorrect oil viscosity Oil filter element blocked Faulty pressure relief valve Overheating Leaks on suction hose Replace as necessary Fill hydraulic oil tank to correct level Renew oil in hydraulic tank with hydraulic oil of correct viscosity grade refer SPECIFICATIONS Change filter element Have relief valve cleaned and pressure checked Consult your Hayter dealer Check cylinder to bottom blade adjustment Reduce workrate i e increase height of cut or reduce forward speed Incorrect hydraulic oil grade refer Problem Hydraulic Oil System Overheating Check and tighten fittings Replace hose if necessary Cylinder knocks while rotating High spot on cylinder or bottom blade due to contact with foreign object Worn cylinder bearings Remove high spot with a stone and backlap to restore cutting edges Serious damage will necessitate regrinding Replace as necessary 953910KG141004 TROUBLE SHOOTING TROUBLE SHOOTING Continued PROBLEM POSSIBLE CAUSE REMEDY One cylinder rotates slowly Cutting cylinder bearing seized Incorrect rotation motor fitted Diverter valve only partly open Motor integral check valve jammed open Cutting cylinder tight on the bottom blade Motor worn Replace as necessary Check motor and replace if necessary Free off and lu
18. emission in the environment by equipment for use outdoors and the regula tions transposed into national law Procedure applied for the conformity assessment ANNEX VI procedure 1 Notified Body Sound Research Laboratories Ltd Holbrook House Little Waldingfield Sudbury Suffolk COLO OTH ENGLAND Notified body identification No 1088 Measured sound power level 104 dB A Guaranteed sound power level 105 dB A Complies with harmonised standards EN 292 EN 836 and EN ISO 14982 Standards Used EN292 EN836 and ENISO14982 Authorised Signature Date 01 10 04 Declaration done and Technical Documentation Kept at S A Maryniak HAYTER LIMITED Technical Director Spellbrook Bishop s Stortford Herts CM23 4BU ENGLAND VIBRATION INFORMATION Lawnmower vibration information Vibration at the operators contact position measured in accordance with European Standards EN 836 steering wheel does not exceed 2 5ms at seat does not exceed 0 5ms 953910KG141004 INTRODUCTION INTRODUCTION The Hayter T424 Mower is a diesel engine powered self propelled machine with hydraulic systems for ground drive cutterhead drive cutterhead lift and steering The machine operates in four wheel drive at all times how ever the transmission system can be operated in both work and transport modes These modes be select ed by the operator In order to optimise machine performance and red
19. regrind to restore cutting edges Raise height of cut Readjust cutterhead to ensure bottom blade is parallel to ground Reduce forward speed Reduce weight transfer Replace worn parts Check and retighten as necessary Scalping Undulations too severe for height of cut setting Height of cut too low Use floating cutterheads Raise height of cut 953910KG141004 GRASS CUTTING FAULTS GRASS CUTTING FAULTS Continued FAULT POSSIBLE CAUSE REMEDY Excessive bottom blade wear Bottom blade in heavy ground contact Cutting edges of the cutting cylinder bottom blade are rounded Cylinder is in heavy contact with the bottom blade Damaged cutting cylinder or bottom blade Excessively abrasive ground conditions Raise height of cut Backlap or regrind to restore cutting edges Readjust the cutting cylinder to the bottom blade Regrind or replace as necessary Raise height of cut 953910KG141004 TROUBLE SHOOTING TROUBLE SHOOTING When using the following chart it may be found that overhaul of major components or hydraulic pressure adjustments are necessary In this case it is recommended that your dealer make these repairs as he is properly equipped to do this work WARNING PREVENT ACCIDENTS ALWAYS Apply the parking brake switch off the engine and remove the ignition key before attempting to work on the mower
20. the cell covers IMPORTANT PREVENT DAMAGE Check the condition of the battery cables Replace cables showing signs of wear or damage and tighten any loose connections as necessary 1 Battery 2 Tool Tray Visually inspect transmission control cable and operating mechanism Check the condition and security of the cable and operating mechanism at the travel control pedals and trans mission pump ends Remove build up of dirt grit and other deposits Outer Cover Rubber Seal Sleeve Rubber Seal Rod End Ensure that the ball joints are securely anchored and check that mounting brackets and cable anchors are tight and free from cracks Inspect end fittings for wear corrosion broken springs and replace if necessary Ensure that the rubber seals are correctly located and in good condition Ensure that the articulating sleeves supporting the inner cable are in good condition and firmly attached to the outer cable assembly at the crimped connections If there are any signs of cracking or detachment fit new cable immediately Check that sleeves rods and inner cable are free from bends kinks and other damage If there are any signs of such failure fit a new cable immediately Check the condition of the neutralising device and replace if worn With the engine switched Off operate the pedal controls through the entire range and ensure that the mechanism moves smoothly and freely to the neutral positio
21. travelling slowly Engage the differential lock to prevent excessive wheel spin when the drive wheels lose traction Engine power demand increases when the differential lock is engaged Prevent excessive power requirements by operating with differential lock at SLOW speed Engaging differential lock Depress the differential lock pedal Disengaging differential lock Release the differential lock pedal TRAVEL CONTROL PEDALS WARNING PREVENT ACCIDENTS Ensure that the trans mission control cable is securely fastened to the travel control pedal mechanism Ensure that both the cable and pedals artic ulate freely through their full range of travel and that the mechanism freely returns to neutral when released N WARNING PREVENT ACCIDENTS Ensure that the con trol cable is correctly routed underneath the operator platform such that it is clear of any obstructions and impediments to its operation This is of particular importance after the platform has been opened and subsequently closed following inspection mainte nance operations Before operating the machine ensure that there are no foreign objects or liquids on the platform or pedals ALWAYS KEEP THE OPERATOR PLATFORM CLEAR CLEAN 953910KG141004 OPERATING THE MOWER FORWARD TRAVEL SPEED BACKSTOP LEVER The backstop lever can be used to limit the move ment of the forward pedal for accurate forward trav DN el speed and
22. turf pattern 10 psi 20 psi 25 psi Rear axle 20x10 0 8 4 ply 0 7 bar 1 4 bar 1 7 bar Dico turf pattern 10 psi 20 psi 25 psi Wheel Nut Torque Setting Front axle 200Nm Rear axle 54Nm Service Brakes Closed loop hydrostatic service braking operating on front wheels only Parking Brake Lever operated oil immersed disc brakes on front wheels only Pressurised hydraulic oil release with mechanical override for emergency towing purposes Ground Clearance 180mm at 13mm cut height and with cutterheads raised Steering Hydrostatic rear wheel steering emergency manual steering Features Tilting operator platform Lockable engine cover Adjustable suspension seat with folding arms Adjustable steering column Cutterhead parking latches with safety locks Backlapping facility Differential lock Engine coolant and hydraulic oil overheat audible warning horn Variable cutterhead weight transfer traction assistance Four wheel drive in Work and Transport modes Hydraulic oil filter blocked telltales on control panel Wing arm breakback Safety Features Neutral start interlock on transmission pump parking brake and cutterhead drive switch Operator presence control seat switch 953910KG141004 SPECIFICATIONS OPERATOR CONTROLS Steering Cylinder Drive Engine Speed Parking Brake Forward and Reverse Ignition Differential Lock Work or Transport modes Cutterhead P
23. warning light illuminates AUDIBLE WARNING HORN Depress the horn button to provide an audible warning IMPORTANT PREVENT DAMAGE The horn is automatically actuated when an engine coolant or hydraulic oil overheat condition occurs STOP the engine immediately and effect remedial action before restarting 953910KG141004 OPERATING THE MOWER IGNITION KEY 0 Engine off Engine run Auxiliary Xe II Engine pre heat D III Engine start N WARNING PREVENT ACCIDENTS Always remove the ignition key when the mower is not in use IMPORTANT PREVENT DAMAGE Always fit the protective cap when the ignition key is removed to prevent ingress of dirt and moisture from damaging the mechanism ENGINE PRE HEAT INDICATOR LIGHT Turn the ignition key to position II The engine pre heat indicator light will illuminate When the correct pre heat temperature is achieved the indicator light will switch off When this condition is achieved turn the ignition key to position III to start the engine nj IMPORTANT PREVENT DAMAGE Attempting to start a cold engine before the pre heat indicator light switches off can cause unnecessary wear to the battery FUEL LEVEL GAUGE Displays fuel tank level E _ WS023 F Full HOURMETER Displays engine running hours 9 953910KG141004 OPERATING THE MOWER
24. 0 30 C 32 86 P IS O viscosity grade 46 hydraulic oil 15 40 59 104 F IS O viscosity grade 68 hydraulic oil Should you be in any doubt please contact your Hayter dealer Using incorrect grades will cause premature wear of hydraulic components and invalidate warranty 953910KG141004 SPECIFICATIONS CUTTERHEADS Cutting Width Cylinder Diameter Cylinder Speed Height of Cut Number of Blades Smooth Rear Roller Smooth Front Roller Grooved Front Roller Configuration MK3 200mm Cutterhead 762 mm 200 mm 1050 rpm approx 12 80 mm 4 6 8 10 Standard Optional Optional Fixed Floating MK3 254mm Cutterhead 762 mm 254 mm 1050 rpm approx 12 80 mm 4 6 Standard Fixed 953910KG141004 OPERATING THE MOWER SAFETY NOTICE A WARNING PREVENT ACCIDENTS Before operating the mower it is essential that The operator reads and understands this manual The operator platform latching mechanism is fully engaged and in good work ing order refer OPERATOR PLATFORM LATCHING MECHANISM The daily maintenance checks have been properly carried out and the turf mower is in good working order The operator should wear safety clothing and eye protection Failure to do so could result in risk to health and safety The area where the equipment is to be used is inspected and all objects which may b
25. 24 can be fitted with a range of cutterhead configurations and optional extras Cutterhead Cylinder diameter Number of blades Fixet Heads wii smonth Heads or grooved front rollers MK3 Cutterhead 200mm 4 6 8 10 WA 254mm 4 6 Z Optional Extras Beacon Kit Amber flashing warning light Lighting Kit Complies with EC traffic regulations 5 Roll Over Protective Structure 2 post design Cab 5 Full weather protection and roll over protection We recommend the fitting of a Hayter approved R O P S only to increase operator safety in the event of a machine rolling over Note with a R O P S fitted stability angle is decreased to 14 degrees due to the higher centre of gravity in the machine Left and Right Throughout this manual the terms Left and Right refer to the machine when looking in the direction of forward travel 953910KG141004 SPECIFICATIONS SPECIFICATIONS ALL FIGURES ARE NOMINALLY QUOTED AT THE RATED ENGINE SPEED OF 2800 RPM UNLESS OTHERWISE STATED ENGINE Type Power Rating Capacity Air Cleaner Cooling System Battery Alternator Starter Cold Starting Idle Speed Fuel Type Fuel Tank Capacity Kubota V2203 Diesel 4 Cylinders in line 47 3hp 35 3 kw 2800 RPM DIN 70020 2197 cc Clean air drawn through screened air intake in front of radiator via a
26. 4 05 2 Oil tank filler flange 3 Suction strainer 4 Filler strainer 953910KG141004 MAINTENANCE EVERY 500 HOURS Continued Renew the engine air cleaner filter Check the condition of the air cleaner hoses Replace any hose which is damaged and tighten the connections refer ENGINE MANUAL Renew the engine fuel filter element Refer ENGINE MANUAL Check electrical system Inspect all electrical connections and cables and replace any which are damaged or corroded Spray a good quality water inhibitor on to exposed connections to prevent moisture ingress Check rear wheel alignment To prevent excessive tyre wear and ensure safe machine operation the rear wheels must be correctly aligned to toe in by 3 8mm Set the rear wheels in the straight ahead position Measure and compare the distance between the front sidewalls and the rear sidewalls at the wheel centre height The distance between the front sidewalls must be set 3 8mm less than the distance between the rear sidewalls 3D3122A 1 Wheel centre height 2 Tyre 3 Direction of forward travel 4 Track rod assembly To adjust the alignment of the rear wheels first back off the left hand and right hand locknuts on the track rod assembly Left hand locknut is a left hand thread Rotate the track rod to achieve the correct toe in as described above and tighten the locknuts secure
27. 8 Relief Valve Steering Shock L H 9 Relief Valve Steering Shock R H 10 Steering Cylinder Rear Axle 70 01 195W 11 Spool Valve Cutterhead Lift L H 12 Spool Valve Cutterhead Lift Centre 13 Spool Valve Cutterhead Lift R H 14 Solenoid Valve 131 or 212 R H 953609 15 Solenoid Valve 131 or 212 L H 953609 16 Hydraulic Cylinder RH Wing Cutterhead 953603 17 Hydraulic Cylinder RH Front Cutterhead 910109W 18 Hydraulic Cylinder Centre Cutterhead 910109W 19 Hydraulic Cylinder LH Front Cutterhead 910109W 20 Hydraulic Cylinder LH Wing Cutterhead 953603 21 Solenoid Valve Assembly Cutterhead Drive 2 pl 70 06 245 22 Solenoid Cutting Cylinders Forwards 2 pl 70 06 246 23 Solenoid Cutting Cylinders Reverse 2 pl 70 06 246 24 Cutter Drive Control Manifold Front and Centre 910699 25 Restrictor Valve Variable Weight Transfer 910709 26 Relief Valve Cutterheads Front and Centre 250 bar 910708 27 Diverter Valve Centre Cutterhead 953601 28 Hydraulic Motor Centre Cutterhead 940602 29 Check Valve Orifice Motor Bypass Centre Cutterhead 30 Diverter Valve L H Front Cutterhead 953601 31 Hydraulic Motor L H Front Cutterhead 940602 32 Check Valve Orifice L H Front Cutterhead 33 Diverter Valve R H Front Cutterhead 953601 34 Hydraulic Motor R H Front Cutterhead 910696 35 Check Valve Orifice R H Front Cutterhead 36 Cutter Drive Control Block Wing Cutterhead 953600 37 Relief Valve
28. A Engine Start Fuel Solenoid S S S Switch Ignition Switch Horn Relay Cutterhead Drive Warning Lamps Relay Overheat Audible Warning Cutterhead Drive Starter Interlock Relay Glow Plugs Timer Operator Presence Interlock Switch Cutterhead Lift Configuration Solenoids Lift Configuration Temperature Gauge supplied with temp kit Relay Fuel Solenoid Connectors for Lighting Kit Horn Switch Operator Seat Solenoid Differential Lock Switch Differential Lock Switch Pressure Filter Switch Hydraulic Oil Temperature Connection for Beacon Kit Switch Neutral Starter Interlock Battery Switch Engine Oil Pressure Starter Motor PART NO 950865 15694 65992 924601 950858 924601 950857 924601 950862 924601 950861 924601 950866 92460 1 950863 92460 1 924605 924601 924606 92460 1 924602 92460 1 924603 950868 924608 924607 70 06 246 70 06 246 70 06 246 70 06 246 924864 70 09 096 70 09 026 70 09 026 70 09 024 70 09 027 74 09 009 924618 70 09 148 70 09 148 995713 92462 5 70 01 512 924608 63 06 082 16259 60250 70 09 108 953819 910627 924624 940852 995711 70 09 015 953910KG141004 gt lt Q lt A E bmi amp 2 b 4 lt p z 2 Es 25 0 564 N33H9 1H9I1 1 1 16 3duna 3ma MOTI3A BONVHO
29. BM 39NvHO O Ald Ald 3 N M Tu gin 01 SN NO SIM NMOH8 N o ovig 8 8 Mif fale 8 7187 T 6 AN 8 la t 4 am V HIM loin ain 9 SYNO109 MO Hd aim uid 5 L a z 9718 t v DIN an WN ELECTRICAL CIRCUIT DIAGRAM ITEM NO N e e 0 9 90 AON UA N e 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 DESCRIPTION Switch Parking Brake Interlock Glow Plug Timer Light Parking Brake Light Glow Plugs Light Neutral Light Cutterhead Drive Off Light Return Filter Light Pressure Filter Light Battery Warning Light Engine Oil Pressure Light Engine Coolant Temperature Light Hydraulic Oil Temperature Diodes Overheat Audible Warning Switch Beacon supplied with beacon kit Switch Work Transport Mode Solenoid Centre Cutterhead Drive Reverse Solenoid Centre Cutterhead Drive Forwards Solenoid Wing Cutterhead Drive Reverse Solenoid Wing Cutterhead Drive Forwards Switch Cutterhead Drive Fusebox 10A Cutter Drive amp Lift Configuration 10A Transmission amp Horn 3A Instruments Blank Beacon Blank Cab Wipers or Air Suspension Seat Blank Lighting Kit Blank Lighting Kit 30
30. Do not be tempted to over adjust causing heavy contact between the cylinder and bottom blade as this will cause very rapid uneven wear to take place leading to tramlining and waviness of the cutting edges The frictional losses will be high and a significant amount of power will be absorbed thus reduc ing the power available for cutting The heating effect due to friction will cause excessive expansion to take place which will further aggravate the situation by increasing the contact pressure If the cutterheads are allowed to operate for more than a few hours without adjustment the running wear will eventually cause the cylinder to run out of contact with the bottom blade At this stage very rapid rounding of the cutting edges will occur as grass and abrasive particles pass through the clearance between the blades Lack of attention to adjustment can therefore be foolhardy as maintenance costs will escalate Quality of cut will also be seriously affected as will the health and growth of the grass An experienced operator will notice when a cutterhead starts to go out of adjustment when the grass ceases to be cut cleanly and the cut ends become ragged 953910KG141004 MAINTENANCE CUTTERHEAD BACKLAPPING This process is recommended for restoring the sharp cutting edges to cylinders and bottom blades which are essential for good quality grass cutting This process can only deal with a small amount of metal removal to restore t
31. Every 250 hours 1 55 Every 500 hours 1 56 1 58 Cutterhead cylinder to bottom blade adjustment 1 59 Cutterhead backlapping 1 60 Cutterhead grinding 1 61 Cutterhead bottom blade replacement 1 61 Raising the mower off the ground 1 62 Towing the mower 1 63 1 64 GRASS CUTTING FAULTS 1 65 1 67 TROUBLE SHOOTING 1 68 1 74 ELECTRICAL CIRCUIT DIAGRAM 1 75 1 78 TRANSMISSION BRAKE HYDRAULIC CIRCUIT 1 79 1 80 HYDRAULIC CIRCUIT DIAGRAM 1 81 1 82 WARRANTY 1 83 NOTES 1 84 CUSTOMER INFORMATION 1 85 953910KG141004 SAFETY PRECAUTIONS READ THIS MANUAL BEFORE USING THE T424 MOWER IT IS ESSENTIAL THAT OPERATORS STUDY IT FOR THEIR OWN SAFETY N THE FOLLOWING PRECAUTIONS MUST BE TAKEN TO HELP PREVENT ACCIDENTS A CAREFUL OPERATOR WHO USES COMMON SENSE IS THE SAFEST OPERATOR TRAINING N Read the instructions carefully Be familiar with the controls and the proper use of the equipment Learn how to stop the mower quickly in an emergency Never allow children or people unfamiliar with these instructions to use the mower Local regulations may restrict the age of the operator N Never mow while people especially children or pets are nearby A Keep in mind that the operator or user is responsible for accidents or hazards occurring to other people or their property N Do not carry passengers N drivers should seek and obtain professional and practical instruction Such instruction shoul
32. IMITED reserve the right to request inspection of a service book where relevant at any reasonable time Failure to keep the service schedule up to date may invalidate the warranty Owners should therefore satisfy themselves that the products are operated and serviced correctly particularly where they are operated on a contract or hire basis This warranty which is not capable of assignment does not apply to any unit that has been tampered with altered misused or abused and will become invalid if non genuine Hayter parts are fitted This warranty does not cover minor adjustments unless they are due to defective materials or workmanship Consult the operators manual or your authorised Hayter dealer for assistance when making these adjustments To make a warranty claim contact your authorised Hayter dealer through whom the machine was originally supplied indicating the machine serial number and purchase date Subject to the conditions and exclusions in this warranty the authorised dealer will at our option repair or replace any warranted part within the duration of the warranty period This warranty gives you specific legal rights and is in addition to any statutory rights to which you may be entitled and your statutory rights are not affected by this warranty If you need additional information concerning this written warranty or assistance in obtaining services please write or telephone HAYTER LIMITED Service Department Spellbrook Bishop s St
33. MET OLE TOT HET JUSTE NIVEAU HET VOLGEN VAN DE TOT ENSIGE SCHADE EN 70 13 07 Rev 0 953910KG141004 SAFETY PRECAUTIONS DECALS Continued Decal Jacking Support Point Part No 70 13 072 Location Front Axle 2 Points Rear Towing Eye Jacking and support point Decal Engine Fan Radiator OMY REMOVE RADIATOR CAP WHENENGINE IS COOL Part No 70 13 073 55 mc d uno M J VERM DER CERACVTORCOP PAS NADAT DE MOTOR ISAFGEKOELD Location Engine Fan Cowl P HEIZKORPERDECKEL ENTFERNEN ERST WENN DER MOTOR KUHLIST a Danger of severing fingers 7 b Caution c Warning Hot surfaces Decal Hayter and Royal Warrant Part No 410087 Location Platform Front Decal Side LH Part No 953907 Location Engine Cover LH RH Side Decal Tyre Pressure Part No 950832 Location LH RH Chassis 4 Places a Mowing b Road travel Decal Diff Lock Control Pedal Part No 953876 Location Centre Platform a Differential lock b Depress to engage diff lock c Release to dis engage diff lock d Reverse speed directional control e Forward speed directional control Decal Noise Part No 922854 Location Base of Seat on GRP 953910KG141004 SAFETY PRECAUTIONS DECALS Continued Decal Serial Number Location Rear Bulkhead Decal Prevent Platform Damage ENGAGE
34. PaA SMAKE AND Part No 924828 ce ecce lei Location Platform Seatwell Decal Warning Platform Latch Part No 924868 Location Next to Platform Latch Warning Prevent Accidents Ensure plat form is correctly seated and the latch is fully locked before operating the machine Decal Maintenance T424 Part No 953812 Location Underside of Engine Cover next to Latch Decal Warning Crush Hazard Part No 953829 Location Platform LH RH Sides a Warning of Cutterheads being Lowered b Do Not Stand in the Area Indicated When the Cutterheads are being Lowered or Raised Part No 953877 Location Platform RH Side Decal Pedal Backstop gt 4 953910KG141004 EC CONFORMITY INFORMATION NOISE LEVELS Operators Daily Personal Noise Exposure HAYTER LIMITED have no control over site conditions duration of use state of maintenance or adjustment of the mower All of these factors will affect the operator s daily personal noise exposure level Lepa Under typical working conditions operators could be exposed to a daily personal noise exposure level in excess of 85 dB A Sound pressure level The maximum sound pressure level at the operator s position is 85 dB A measured in accordance with European Standard EN836 Sound power
35. T424 MOWER CODE 953C OPERATOR S MANUAL THIS MANUAL SHOULD BE REGARDED AS PART OF THE MACHINE AS IT GIVES ESSENTIAL INFORMATION REGARDING MACHINE SAFETY OPERATION MAINTENANCE AND SPECIFICATIONS English Version FROM SERIAL NO 953C001001 MANUAL PART NO 953910 REV 0 Issue 01 10 04 ATTENTION THIS SYMBOL MEANS BE YOUR SAFETY IS INVOLVED READ THIS MANUAL BEFORE USING THE T424 MOWER IT IS ESSENTIAL THAT OPERATORS STUDY IT FOR THEIR OWN SAFETY ALL OPERATORS SHOULD SEEK AND OBTAIN PROFESSIONAL AND PRACTICAL INSTRUCTIONS ON THE SAFE USE OF THE MOWER THESE SERVICES ARE AVAILABLE THROUGH HAYTER LIMITED OR HAYTER APPROVED COMMERCIAL DEALERS CONTENTS CONTENTS Page No SAFETY PRECAUTIONS 1 6 1 14 Training 1 6 Preparation 1 6 1 7 Operation 1 7 1 9 Handling and storage of fluids 1 10 Maintenance and storage 1 11 Decals 1 12 1 14 EC CONFORMITY INFORMATION 1 15 1 16 Noise levels 1 15 EC Declaration of Conformity 1 16 INTRODUCTION 1 17 SPECIFICATIONS 1 18 1 24 Engine 1 18 Transmission system 1 19 Cutterhead drive system 1 19 Cutterhead lift system and steering 1 20 Hydraulic system 1 20 Vehicle specifications 1 21 Operator controls 1 22 Instrumentation 1 22 Weight and dimensions 1 23 Recommended lubricants and hydraulic fluids 1 23 Cutterheads 1 24 OPERATING THE MOWER 1 25 1 44 Safety notice 1 25 Operator presence controls 1 25 Identification of co
36. WER CUTTERHEAD POSITION CONTROL The cutterheads may be raised or lowered using the bank of 3 lift control levers To lower the cutterheads operate the lift control levers in a downward direction until locked in position 1 If the cutterhead drive switch is in the ON position the cylinder drive will engage when the cutterheads are approximately 300mm above ground level IMPORTANT PREVENT DAMAGE The lift control levers must be locked in position 1 while mowing NEVER mow with the lift control levers in position 2 neutral To raise the cutterheads operate the lift control levers in an upward direction and hold in position 3 If the cutterhead drive switch is in the position the cylinder drive will disengage when the cutterheads are approximately 300mm above ground level Release the lift control levers when the cutterheads are at the required height The control levers will automatically return to position 2 neutral 4A953B03A 1 Down float 2 Neutral 3 Raise 4 LH Wing or LH Wing LH Front 5 Centre LH RH Front or Centre 6 RH Wing or RH Wing RH Front Depending on which lift configuration is selected Refer Dual Lift Configuration Control DUAL LIFT CONFIGURATION CONTROL The dual lift configuration control function enables the lift controls to be used in two ways as follows Five gang mode lift configuration 1 Control switch in position 1 LH lift l
37. al waste It must be taken to an authorised disposal site 953910KG141004 MAINTENANCE ENGINE Refer to the Engine Operator s Manual for maintenance information RUNNING IN PERIOD Check wheel nut torque settings During first 50 hours of use and in addition to routine checks Refer ch __ DAILY AND BEFORE USE Check wheel nut torques twice a day Be Front axle wheel nut torque setting 200 Nm Rear axle wheel nut torque setting 54 Nm RUNNING IN PERIOD AT FIRST 50 HOURS Change the transmission oil filter Unscrew and remove the bottom of the transmission oil filter housing Withdraw the filter element and discard Refit a new filter element Hayter part no 924708 and replace the housing 1 Transmission Oil Filter 2 Centre Cutterhead 1P953C17 3 Hydraulic Oil Tank 953910KG141004 MAINTENANCE RUNNING IN PERIOD AT FIRST 50 HOURS Change the hydraulic oil return filter Unscrew and remove the return filter canister and discard Refit a new filter canister Hayter part no 924692 Left Hand Side of Machine 1P953C16A 1 Hydraulic oil return filter 2 Engine fuel filter Continued 953910KG141004 MAINTENANCE DAILY AND BEFORE USE Check engine oil level If the oil level is below the upper mark on the dipstick top up with the correct grade of eng
38. ansmission neutral setting Work transport modes non oper ational Defective control switch Defective solenoid valve Defective wiring Check switch and replace if neces sary Service or replace solenoid valve Check wiring connections and repair replace as necessary Lack of steering Defective steering valve Defective hydraulic cylinder Damaged steering hose Service or replace steering valve Service or replace hydraulic cylinder Replace defective hose 953910KG141004 TROUBLE SHOOTING TROUBLE SHOOTING Continued PROBLEM POSSIBLE CAUSE REMEDY Excessive noise in Faulty pump Identify noisy pump hydraulic system Faulty motor Air leaking into system Suction strainer blocked or damaged Excessive oil viscosity due to cold conditions Low relief valve setting Low hydraulic oil level and service or replace Identify noisy motor and service or replace Tighten or replace hydraulic fittings particularly in suction lines Clean and replace suction strainer or renew as necessary Allow system to warm Have relief valve cleaned and pressure checked Consult your Hayter dealer Fill hydraulic oil reservoir to correct level 953910KG141004 TROUBLE SHOOTING TROUBLE SHOOTING Continued PROBLEM POSSIBLE CAUSE REMEDY After initial satisfactory operation machine loses power
39. ass will lubricate the cutting edges whilst mowing Excessive heat will build up if the cutting cylinders are run when not mowing and this will cause rapid wear to take place For this reason it is also wise to reduce cutting cylinder speed when mowing lightly grassed areas or when the grass is dry 6 Cutting performance is best when cutting against the lie of the grass In order to take advantage of this fact the operator should attempt to alternate the direction of mowing between cuts 7 Take care not to leave uncut strips of grass at the overlap points between adjacent cutterheads by avoiding tight turns 8 Itis generally wise to remove rear roller scrapers where conditions allow as optimum grass discharge is achieved without them Scrapers should be refitted when conditions are such that mud and grass start to build up on the rollers When refitting the scraper wires care must be taken to ensure that they are cor rectly tensioned refer MAINTENANCE EVERY 50 HOURS AN WARNING PREVENT ACCIDENTS Take care when travelling over obstacles such as roadside kerbs ALWAYS travel at slow speed over obstacles to prevent damage to the machines tyres wheels and steering system Ensure that tyres are inflated to the recommended pressures 953910KG141004 OPERATING THE MOWER UNBLOCKING CUTTING CYLINDERS AN WARNING PREVENT ACCIDENTS Before attempting to clear any blockage from the cutting cylinders on this machine
40. bricate or replace diverter valve as necessary Have check valve cleaned and checked Readjust setting Replace motor Cutterhead fails to lift out of work Lift cylinder seal failure Pressure relief valve jammed open or wrongly set Defective control valve Mechanical blockage Replace seals Have relief valve cleaned and pressure checked Consult your Hayter dealer Overhaul control valve Remove blockage Cutterheads do not follow ground contours Incorrect hose routing or incorrect orientation of hydraulic fittings Tightness in pivots Mower operated in hold position Weight transfer set too high Move cutterheads throughout extremes of movement and observe any tightness in the hoses Correctly route hoses and orientate fittings as necessary Free off and grease as necessary Move position control lever to float position Reduce weight transfer 953910KG141004 TROUBLE SHOOTING Continued TROUBLE SHOOTING PROBLEM POSSIBLE CAUSE REMEDY Cutterheads fail to start up when lowered into work Faulty seat sensor switch Low oil level Diverter valve jammed Sheared drive shaft Pressure relief valve jammed open or wrongly set Cutting cylinder jammed Cutting cylinder tight on bottom blade Cutterhead control valve in the off position caused by Defective control valve Electrical fault
41. cyclonic air cleaner with built in pre cleaner Water Cooled 12V 480 Amps S A E 40 Amps 1 4 KW Electric Glow Plug 1250 50 R PM Diesel 70 Litres IMPORTANT PREVENT DAMAGE for further information regarding the engine refer to ENGINE MANUAL 953910KG141004 SPECIFICATIONS TRANSMISSION SYSTEM Drive Type Pump Wheel Motors Differential Lock Drive Relief Valve Setting Hydraulic Variable displacement hydraulic piston pump with integral charge pump servo assisted Front Axle Twin Lock Radial piston fixed displacement with integral disc brake pressure released Rear Axle Radial piston fixed displacement Electro hydraulic control valve with pedal control only avail able in Work mode Four wheel drive in Work and Transport modes Main service relief 350 bar 5075 psi differential Charge pressure relief 29 bar 421 psi differential CUTTERHEAD DRIVE SYSTEM Drive Type Pump Delivery Rate Cutterhead Motors Control Relief Valve Settings Hydraulic Tandem hydraulic gear type 3 Litres per minute each circuit Hydraulic gear type reversible pressure balanced with integral differential pressure sensing relief check valve Direct drive Electro hydraulic Automatic diverter valve safety cut off 250 bar 3625 psi differential 953910KG141004 SPECIFICATIONS
42. cylinder Raise Lower position control not in float position One end of cutterhead out of ground contact caused by Poorly routed hoses or wrongly positioned hydraulic adaptors Pivot pins seizing Grass build up under cutterhead Refer TROUBLE SHOOTING for remedy Check and readjust height of cut setting Operate position control to float position Reroute hoses reposition hydraulic adaptors Free off and grease pivot pins Remove grass 953910KG141004 GRASS CUTTING FAULTS GRASS CUTTING FAULTS FAULT Continued POSSIBLE CAUSE REMEDY Some uncut or poorly cut strands of grass Cutting cylinder is partially out of contact with the bottom blade Cutting cylinder is in heavy contact with the bottom blade Height of cut is too high Cutting edges of cutting cylinders bottom blades are rounded Readjust cutting cylinder to bottom blade Readjust cutting cylinder to the bottom blade Lower height of cut setting Backlap or regrind to restore cutting edges Lines of uncut or badly cut grass in direction of Tramlining of cutting edges due to heavy travel contact caused by poor cutting cylin der to bottom blade adjustment Bottom blade in ground contact Nose down attitude of bottom blade Cutterheads bouncing Worn cylinder bearings bearing hous ing pivots Loose components in cutterhead Backlap or
43. d emphasise The need for care and concentration when working with this machine The need to slow down when making tight turning manoeuvres Failure to take adequate care can affect stability leading to loss of control of the machine particularly when operating in transport mode Control of a ride on machine sliding on a slope will not be regained by application of the brake The main reasons for loss of control are nsufficient wheel grip Being driven too fast nadequate braking The type of machine is unsuitable for the task Lack of awareness of the effect of ground conditions especially slopes Incorrect load distribution PREPARATION Check that the machine complies with all applicable regulations including those in force when used on the public highway While mowing always wear substantial footwear and long trousers Do not operate the equipment when barefoot or wearing open sandals Eye protection should be worn Thoroughly inspect the area where the equipment is to be used and remove all objects which can be thrown by the machine Never operate the machine without first checking that the operator platform latching mechanism is fully engaged and in good working order refer OPERATOR PLATFORM LATCHING MECHANISM Pe 953910KG141004 SAFETY PRECAUTIONS PREPARATION Continued Pie Pbpb Ensure that the cutterheads are f
44. e area is clear of bystanders The cutterhead drive is disengaged The parking brake is engaged The travel control pedal is in neutral You have read and understood the SAFETY PRECAUTIONS section in this manual This machine is fitted with an Engine Start Lockout refer OPERATOR PRESENCE CONTROLS 953910KG141004 OPERATING THE MOWER STARTING THE ENGINE Continued 4 Starting a cold engine Set the throttle control lever to approximately 70 full throttle Turn the ignition key to the ignition on position I and check that the engine oil pressure and battery charge warning lights illuminate Turn the ignition key to the preheat position II and hold until the engine pre heat indicator light goes out Turn the ignition key to the start position III and hold to crank the engine As soon as the engine starts release the ignition key back to position 1 Engine pre heat indicator light WARNING PREVENT DAMAGE When the engine is operating all warning lights should be off If a warning light illuminates stop the engine immediately and have the fault rectified before restarting Starting a warm engine Engine pre heating is unnecessary when restarting an engine which has been stopped for a few minutes Follow the cold engine starting procedure without holding in preheat position IT
45. e thrown by the machine are removed Operate safely on slopes It is essential to follow safe working practices when working on slopes In order to avoid potentially hazardous situations it is essential that the operator understands and observes the relevant safety precautions listed in this manual refer SAFETY PRECAUTIONS OPERATOR PRESENCE CONTROLS Cutting Cylinder Drive Lockout Drive to the cutting cylinders is only possible when the operator is seated If the operator raises off the seat for a period of more than one second a switch is activated and drive to the cutting cylinders is automatically disengaged To re engage drive to the cutting cylinders the operator must return to the seat then operate the cutterhead drive switch to the OFF position before moving it back to the ON position If the operator rises off the seat for a brief moment during normal work drive to the cutting cylinders is not affected The engine can only be started with the cutterhead drive switch in the OFF position Engine Start Lockout The engine can only be started when the forward reverse travel pedal is released to the NEUTRAL position the cutterhead drive switch is in the OFF position and the parking brake is engaged When these circumstances are satisfied switches are activated permitting the engine to be start ed Engine Run Interlock Once the engine is started the operator must be seated before
46. erential lock Select Transport mode when operating the mower in conditions of good traction For example when trav elling on the public highway or mowing large level open areas Selecting Transport mode in these condi tions will reduce transmission system wear and tear Differential lock is not available for use when Transport mode is selected 1 Transport Mode 2 Work Mode 2 TRANSPORT LATCHES A WARNING PREVENT ACCIDENTS ALWAYS raise the cutterheads to the transport position and secure with the transport latches and safety locks when travelling between work areas Front and Wing cutterhead transport latches Centre cutterhead transport latch WARNING PREVENT ACCIDENTS Stored energy devices are charged when the outer wing units are in the transport position Always operate the relevant lift controls to provide hydraulic support for the cutterhead suspensions before attempting to release the trans port latches 1D924P07A 1 Transport latch 2 Safety lock 953910KG141004 OPERATING THE MOWER DIFFERENTIAL LOCK WARNING PREVENT ACCIDENTS Do not engage the differential lock at high speed The turning circle will increase with the differential lock engaged The differential lock is effective only when Work mode is selected The differential lock operates in both forwards and reverse and can be engaged whilst the turf mower is
47. et at the same height of cut by referring to the indicator rings or use the height of cut gauge across the full width of each cutterhead as shown Tighten nuts D F both ends 953910KG141004 MAINTENANCE MAINTENANCE N WARNING PREVENT ACCIDENTS When carrying out maintenance procedures it is essential that The engine is switched off and the ignition key removed The parking brake is applied There is no pressure in the hydraulic system The cutterheads are fully down on the ground The safety precautions in this manual have been read and understood N WARNING PREVENT ACCIDENTS Stored energy devices and systems are used on the T424 mower It is essential that this stored energy is safely dissipated before maintenance or other service or operations are performed on these devices and systems on the machine Dissipate stored energy as described below Hydraulics Transmission System Ensure that the machine is on level ground engage the parking brake and switch the engine off Depress the forward and reverse travel pedals alternatively several times Cutterhead Lift System Lower the cutterheads to the ground and switch the engine off Raise and lower the lift levers several times leaving them in the down float position Cutterhead Drive System Lower the cutterheads to the ground with the cutterhead drive switch in the off position and switch the engine
48. ever 3 controls LH wing cutterhead Centre lift lever 4 controls LH front centre RH front cutterheads RH lift lever 5 controls RH wing cutterhead Three five gang mode lift configuration 2 Control switch in position 2 LH lift lever 3 controls LH wing LH front cutterheads Centre lift lever 4 controls centre cutterhead RH lift lever 5 controls RH wing RH front cutterheads With the LH and RH wing cutterheads locked in the fully raised transport position Control switch in position 2 LH lift lever 3 controls LH front cutterhead Centre lift lever 4 controls centre cutterhead RH lift lever 5 controls RH front cutterhead esr jm c AN ES 2 3095301 4A953B03B 1 5 Gang Mode 2 3 5 Gang Mode 3 LH Lift Lever 4 Centre Lift Lever 5 RH Lift Lever 953910KG141004 OPERATING THE MOWER CUTTERHEAD DRIVE ENGAGEMENT The cutterhead drive can be engaged only when the operator is seated correctly refer OPERATOR PRESENCE CONTROLS Briefly operate the lift control levers to raise the cutterheads thereby removing the cutterhead suspension deadweights and wing units stored energy reaction from the transport latch mechanisms Release the cutterhead latches Operate the cutterhead position controls to the down float position and lower all cutterheads to the ground ready for mowing Forward rotation cutterhead drive engagement Operate the
49. feel heavy as there is no hydraulic assis tance when the engine is switched off The mower is now in a freewheel condition and can be towed for a short distance at slow speed Remove wheel chocks before towing After towing the mower To return the mower to its normal work ing condition the following procedure must be adopted Chock the front wheels and re commission the hydraulic service braking system as follows i Close the transmission bypass valve Turn clockwise and tighten to a torque of 48 52 Nm Re commission the front wheel motor disc brakes as follows 1 Identify the right hand front wheel motor disc brake assembly Rotate the setscrew item 5 anti clockwise and remove together with washer item 4 and brake release bar item 3 Reassemble the rubber plug item 2 into the motor end plate ii Identify the left hand front wheel motor disc brake assembly and repeat the previous procedure Store the brake release bars washers and setscrews items 3 4 and 5 for future use Remove the wheel chocks Disconnect the tow bar The mower braking system will now operate in the normal way WARNING PREVENT ACCIDENTS Before using the mower ensure that the braking system operates correctly Carry out initial checks with the mower at slow speed Do not operate the mower with a defective braking system Do not operate the mower with the brakes de commissioned Bypass Valve
50. he cutting edges If the blade edges are seriously worn or damaged it will be necessary to remove the component parts and have them reground The backlapping process 1 Check that the mower engine is switched off and the parking brake applied 2 Adjust the cutting cylinders to the bottom blades to obtain fleeting contact 3 Apply a medium grade detergent based carborundum paste to the cutting edges of the cylinders with a long handled brush 80 Grade Carborundum paste Hayter Part No 0 45 kg 63 07 088 11 25 kg 63 07 086 4 Ensure that the area surrounding the cutterheads is clear of people and keep hands and feet clear of the cutting cylinders during the period when the mower engine is running 5 Sit on the operator seat start the mower engine and set the engine speed at idle 6 Operate the cutterhead drive switch to the reverse backlap position for a period of time and listen to the grinding action 7 Operate the cutterhead drive switch to the off position and switch off the mower engine when the grinding action has stopped 8 Thoroughly clean the blade edges and adjust the cutting cylinders to the bottom blades Check that a thin piece of paper can be cut cleanly at all points along the cutting edges while rotating the cylinders by hand 9 If further backlapping is necessary repeat steps 2 to 8 10 Thoroughly remove and wash off all traces of the carborundum paste from the cylinders and bo
51. ide to side and up and down If excessive movement is detected proceed as fol lows 3D9248001A Carefully tighten nuts A at each end of the roller with the spanner provided just sufficiently to remove any end float Note The roller should still rotate freely after adjustment Overtightening of nuts A could lead to premature bearing failure Check cutterhead rear roller scraper wire tension It is important that the scraper wires are correctly tensioned so as to ensure correct operation and maximum working life Carefully tighten the scraper wire retaining nuts so as to just remove any slack from the scraper wires and then tighten nuts B a further four full turns to correctly tension the wires IMPORTANT PREVENT DAMAGE Do not over tighten the scraper wires Check wheel nut torque settings c Front axle wheel nut torque setting 200Nm Rear axle wheel nut torque setting 54 Nm 953910KG141004 MAINTENANCE EVERY 50 HOURS Continued Grease pivot points Clean and grease all grease points with a good quality compound of the grade specified refer lt A SPECIFICATIONS Replace any grease nipples which are damaged Grease all cutterhead grease points and ensure that sufficient grease is injected such that clean grease is seen to escape from the roller end caps This provides visible evidence that the roller seals have been purged of grass debris etc and will ensure max
52. imum working life Grease daily Grease every 50 hours Weekly Medium grade grease O Medium grade grease Medium grade grease if fitted 953910KG141004 MAINTENANCE EVERY 250 HOURS Perform routine checks Refer DAILY BEFORE USE EVERY 50 HOURS Check battery condition WARNING PREVENT ACCIDENTS Explosive gases are produced by the battery Work a well ventilated area away from all sources of ignition Battery fluids are corrosive Take care to avoid contact with the skin or eyes In the event of a spillage drench the affected area with water If the eyes are affected seek medical attention Remove any cont aminated clothing and clean thoroughly before use When removing the battery always disconnect the negative cable first When replacing the battery always connect the negative cable last Remove the tool tray to gain access to the battery Remove any corrosion from the battery terminals using a wire brush and apply petroleum jelly to the terminals to prevent further corrosion Clean the battery compartment Under normal operating conditions the battery will not require any further attention If the machine has been subject to continuous use under high ambient temperature conditions the battery electrolyte may require topping up Remove the cell covers and top up with distilled water to a height 15mm below the top of the battery Replace
53. in good artificial light Before attempting to start the engine engage the parking brake disengage the cutterhead drive system and ensure that the forward reverse speed controls are in the neutral position Never operate the machine without first checking that the operator platform latching mechanism is fully engaged and in good working order refer OPERATOR PLATFORM LATCHING MECHANISM Stored energy devices are charged when the outer wing units are in the transport position Always oper ate the relevant lift controls to provide hydraulic support for the wing units suspensions before attempt ing to release the transport latches 953910KG141004 SAFETY PRECAUTIONS OPERATION N Continued Do not use on a slope of more than 19 degrees Care should be taken when using the mower on any slope where ground conditions are such that there may be a risk of the mower rolling over The requirements of SI 1998 No 2306 Provision and Use of Work Equipment Regulations should be considered 5 Roll Over Protective Structures are available refer to INTRODUCTION Optional Extras Stability angles given are maximum figures and are for guidance only Particular conditions such as wet grass or uneven ground may not permit safe operation on the slope limits stated gt Remember there is no such thing as a safe slope Travel on grass slopes requires particular care To guard against overturning or loss of trac
54. ine oil to the required level f refer ENGINE MANUAL Check engine radiator coolant level WARNING PREVENT ACCIDENTS Avoid scalding DO NOT remove the radiator filler cap unless the engine is cool Turn the filler eit cap slowly to release system pressure before removing the filler cap completely A2 NERTIERTERADATORDCP PIS HORTLE MOTORISAFGEKOELD TFELKCRPERDEOKELENTERIENERST VENN DER NOTOR KLS RLY REVOVE RADITOR CAP WHEN ENGINE S COOL AUTON OS TENE LF SEFTODSSETENTOUNOTEIR ABNTOEREN ROTER Keep coolant between Full and Low when engine is cold at all times 4P994C13A Cleaning the air cleaner Remove the air filter and tap it repeatedly with the palm of the hand to remove dust particles DO NOT damage the air filter by hitting it against a hard object Inspect the air filter for signs of damage IMPORTANT PREVENT DAMAGE Always replace a damaged D gt air filter or damage to the engine will result NEVER run the engine m T 2 1 Air filter without the air filter correctly fitted 2 Dust bowl 3 Dust boot Clean the inside of the cleaner dust bowl with a dry cloth and check that the dust boot is unobstructed Replace the air filter and assemble the dust bowl with the dust boot facing below horizontal level 953910KG141004 MAINTENANCE DAILY AND BEFORE USE Continued Clean the radiator screen Clean the radiator
55. ing In the event of service brake failure switch off the Parking Brake Engaged ignition to bring the mower to a standstill WARNING PREVENT ACCIDENTS Take care when operating the brak ing system Remain seated and hold on to the steering wheel to prevent ejection from the mower caused by the front wheel brakes being applied suddenly when travelling THROTTLE CONTROL Operate the throttle control in a forward direction to increase engine speed Shed Engue Spaa Operate the throttle control in a rearward direction to reduce engine speed Fast BON Note that the engine speed dictates the speed of the other functions i e travel Dm g cutting cylinder position controls TRAVEL Forward travel Depress the forward travel pedal to increase forward travel speed Release the pedal to reduce speed Reverse travel Depress the reverse travel pedal to increase reverse travel speed Release the pedal to reduce speed Stop Neutral Release the forward and reverse travel pedals 953910KG141004 OPERATING THE MOWER WORK TRANSPORT MODES AN WARNING PREVENT ACCIDENTS Ensure that the mode elected is appropriate to the mode of operation of the machine Select Work mode when operating the mower in conditions of poor traction when maximum tractive per formance is required Selecting Work mode will enable the use of the diff
56. level The maximum sound power level is 105 dB A measured in accordance with EC Directive 2000 14 EC If ear protection is required ear protectors with good attenuation in the 63 8000 Hz frequency range should be used Employers of personnel using this machine are advised to read the Noise at Work Regulations as the operator s daily personal exposure level could be above the First Action Level HAYTER SPELLBROOK BISHOP S STORTFORD HERTS CM23 4BU ENGLAND CODE 953 T424 TURF MOWER Kg 1750 RPM 2800 CC 2004 kW 353 Serial 953001001 Lwa 105 Wear Hearing Protection 953910KG141004 EC CONFORMITY INFORMATION EC DECLARATION OF CONFORMITY EC DECLARATION OF CONFORMITY HAYTER LIMITED Spellbrook Bishop s Stortford Herts CM23 4BU ENGLAND declare that the lawnmower Type Ride on Cylinder Lawnmower Model Name T424 Turf Mower Model No Code 953C Cutting Width 346 cm Speed of rotation of cutting device 1050 rpm Engine Manufacturer Kubota Speed of rotation of engine 2800 rpm Complies with the provisions of Directive 98 37 EC Essential Health amp Safety Requirements Relating to the Design amp Construction of Machinery and Safety Components as amended and the regulations transposed into national law Also Directive 89 336 EEC Electromagnetic Compatibility as amended and the regulations transposed into national law Also Directive 2000 14 EC Noise
57. ly 953910KG141004 MAINTENANCE EVERY 500 HOURS Continued Check the engine overheat warning system Turn the ignition key to the ignition on position Disconnect the red grey wire terminal from the engine temperature switch and touch the metal terminal of this wire onto a suitable earth point ensuring that the metal surfaces make good contact The horn will sound and the engine coolant temperature warning light will illuminate to confirm correct operation If the system is faulty make repairs before operating the mower 1 Temperature switch Check the hydraulic oil overheat warning system Turn the ignition key to the ignition on position Disconnect the red blue wire terminal from the hydraulic tank temperature switch and touch the metal terminal of the wire onto a suitable earth point ensuring that the metal surfaces make good contact The horn will sound and the hydraulic oil temperature warning light will illuminate to confirm correct operation If the system is faulty make repairs before operating the mower 1 Temperature switch 2 Hydraulic oil tank 1P953C15A 953910KG141004 MAINTENANCE CUTTERHEAD CYLINDER TO BOTTOM BLADE ADJUSTMENT IMPORTANT PREVENT DAMAGE It is essential that the relationship between the bottom blades and the cutting cylinders is kept in good adjustment in order to ensure good cutting performance minimum powe
58. mower and a suitable towing vehicle Ensure that the towing vehicle specification is suited to braking the combined vehicle weight to rest whilst effecting complete control at all times Ensure that the towing vehicle s parking brake is applied Chock the mower front wheels to prevent the mower rolling away De commission the front wheel motor disc brakes as follows 1 Identify the right hand front wheel motor disc brake assembly and remove the rubber plug item 2 Position a M12 x 40mm long setscrew item 5 with washer item 4 through the brake release bar item 3 and into the hole in the centre of the motor end plate Tighten the setscrew item 5 into the threaded hole in the brake piston until the brake is released ii Identify the left hand front wheel motor disc brake assembly and repeat the previous procedure 1D950R01 1 Front wheel motor 2 Rubber plug 3 Brake release bar 4 Washer M12 09485 5 Setscrew M12 x 40 ZDH1L040U 953910KG141004 MAINTENANCE TOWING THE MOWER Continued De commission the hydraulic service braking system as follows Open the transmission bypass valve situated as shown on top of the transmission pump The valve is fully open at 3 anti clockwise revolutions Do not open the valve past 3 revolutions The steering must be operated manually when the mower is being towed The steering will
59. mower with defective hydraulic hose lines Inspect the mower for signs of oil leakage Tighten fittings or replace seals as required Check fasteners Check that all nuts bolts and pins are secured correctly in place and in good condition Check safety devices A WARNING PREVENT ACCIDENTS Ensure that all safety guards shields and protective devices are securely in place and in good working order Check tyres Examine the condition of the tyres and check that inflation pressures are correctly set refer SPECIFICATIONS A WARNING PREVENT ACCIDENTS Ensure that damaged tyres are replaced Ensure that tyre tread depths comply with road traffic regulations Grease all rear axle components including the centre axle beam pivot pin both steering yokes and track rod ball joints refer EVERY 50 HOURS Grease pivot points Check cutterheads Examine the condition of the cutting cylinders and bottom blades Adjust as necessary refer MAINTENANCE CUTTERHEAD CYLINDER TO BOTTOM BLADE ADJUSTMENT Grease all cutterhead rollers with a good quality medium grade grease and ensure that sufficient grease is injected such that clean grease is seen to escape from the roller end caps refer MAINTENANCE EVERY 50 HOURS If no grease can be seen escaping from a roller end cap It can be assumed that the rear seal has failed resulting in the roller shell being filled with grease Note Care should be
60. n without Sticking or Hanging up 953910KG141004 MAINTENANCE EVERY 500 HOURS Perform routine checks refer DAILY BEFORE USE EVERY 50 HOURS EVERY 250 HOURS Thoroughly clean the machine IMPORTANT PREVENT DAMAGE Keep water away from electrical components Use a dry cloth or brush to clean such areas Service the hydraulic system This procedure is best carried out when the hydraulic oil is warm not hot Lower the cutterheads to the ground and drain the hydraulic system by removing the hydraulic tank drain plug Remove the oil tank filler flange to gain access to the suction strainer Unscrew and remove the strainer and clean with paraffin or petrol before replacing Renew the strainer if there are any signs of damage Remove the oil filler cap strainer and clean before replacing Renew the strainer if there are any signs of damage Renew the return line oil filter element refer RUNNING IN PERIOD AT FIRST 50 HOURS Renew the transmission oil filter element refer RUNNING IN PERIOD AT FIRST 50 HOURS Replace the drain plug and refill the hydraulic tank with fresh clean hydraulic oil of the recommended grade refer SPECIFICATIONS Run the machine and operate all hydraulic systems until the hydraulic oil is warm Recheck the oil level and top up as necessary to the upper mark on the sight level gauge 0 SO 9 0 1 Drain plug 192
61. nd that the seat is locked securely in position AN WARNING PREVENT ACCIDENTS Adjustment of the seat mechanisms should only be carried out when the mower is at a standstill with the parking brake engaged Fore Aft Adjustment Move lever upwards to adjust the Fore Aft posi tion of the seat Release the lever to lock the seat in position Operator weight adjustment Rotate handle clockwise as shown to increase suspension stiffness and counter clockwise to decrease Dial D indicates when the optimum suspension adjustment has been set according to operator weight kg 1092474 Height adjustment Manually lift the seat for incremental height adjustment To lower lift the seat to beyond its highest setting then allow it to drop to the lowest setting Backrest adjustment Pull handle E outwards to adjust the seat backrest angle Release the handle to lock the seat backrest in position 1092476 953910KG141004 OPERATING THE MOWER WARNING SYSTEMS Engine coolant overheating warning The engine coolant warning A light illuminates and the horn is actuated Hydraulic oil overheating warning The hydraulic oil warning light illuminates and the horn is actuated when the hydraulic oil in the reser voir exceeds 95 C approx Low battery charge warning The battery charge warning light illuminates Low engine oil pressure warning light The engine oil pressure
62. ntrols 1 26 Braking system 1 27 Throttle control 1 27 Travel 1 27 Work Transport modes 1 28 Transport latches 1 28 Differential lock 1 29 Travel control pedals 1 29 Forward travel speed backstop lever 1 30 Operator platform latching mechanism 1 30 Adjustable steering column 1 31 Operator seat 1 32 Warning systems 1 33 Audible warning horn 1 33 Ignition key 1 34 Engine pre heat indicator light 1 34 953910KG141004 CONTENTS CONTENTS Continued Page No Fuel level gauge 1 34 Hourmeter 1 34 Transmission neutral indicator light 1 35 Cutterhead drive switch indicator light 1 35 Parking brake indicator light 1 35 Hydraulic return filter indicator light 1 35 Hydraulic transmission filter indicator light 1 35 Transmission system Work mode indicator light 1 35 Cutterhead position control 1 36 Dual lift configuration control 1 36 Cutterhead drive engagement 1 37 Weight transfer traction assistance 1 38 Starting the engine 1 38 1 39 Stopping the engine 1 39 General operating hints 1 40 Unblocking cutting cylinders 141 Cutterhead general information 1 42 MK3 200mm Fixed Cutterhead 1 43 MK3 254mm Fixed Cutterhead 1 43 MK3 200mm Floating Cutterhead 1 44 MAINTENANCE 1 45 1 64 General safety and good practice 1 45 1 46 Engine 1 47 Running in period 1 47 Running in period at first 50 hours 1 47 1 48 Daily and before use 1 49 1 52 Every 50 hours 1 53 1 54
63. o give adequate clearance for fitting the new bottom blade holder Refit the bottom blade holder assembly to the cutterhead using the original fixing bolts and tighten to a torque of 35 Nm Finally adjust the cylinder to the bottom blade refer CUTTERHEAD CYLINDER TO BOTTOM BLADE ADJUSTMENT 953910KG141004 MAINTENANCE RAISING THE MOWER OFF THE GROUND N WARNING PREVENT ACCIDENTS Before raising the mower ensure that The lifting device to be used is in good condition and capable of supporting the weight of the mower securely Minimum lift capacity 2000 Kg The mower is on level ground The parking brake is applied The engine is switched off and the ignition key removed ground under the lifting device is level and firm The lifting device is secure against one of the mower lifting points If raising the front of the mower both of the rear wheels must be chocked securely to prevent the mower rolling away Note that the parking brake only operates on the front wheels N WARNING PREVENT ACCIDENTS When the mower is raised off the ground NEVER crawl under the mower NEVER start the engine 1 Front left hand lifting point 2 Front right hand lifting point 3 Rear towing eye and lifting point 4 Front towing eye 953910KG141004 MAINTENANCE TOWING THE MOWER Towing procedure Connect a rigid tow bar between the towing eye on the
64. off Wing Cutterhead Springs Lower the wing cutterheads to the ground Operator Platform Gas Spring Raise the platform fully IMPORTANT PREVENT DAMAGE Regular maintenance is essential for the continued safe oper ation of the machine Correct servicing will prolong the working life of the machine and safeguard the Hayter Warranty Always fit genuine Hayter service parts as these are accurately matched to the required duty Dirt and contamination are the enemies of any hydraulic system When carrying out maintenance procedures on the hydraulic system always ensure that the work area and the components are thoroughly clean before during and after refitting Ensure that all open hydraulic lines and ports etc are plugged during maintenance procedures The recommended service intervals are based on normal operating conditions Severe or unusual conditions will necessitate shorter service intervals ALWAYS grease pivot points immediately after pressure washing or steam cleaning refer EVERY 50 HOURS GREASE PIVOT POINTS N WARNING PREVENT ACCIDENTS The engine transmission oil and hydraulic systems will be hot after machine use Allow the systems to cool before working on the machine particularly before work ing on the engine or when changing oil or oil filters 953910KG141004 MAINTENANCE MAINTENANCE Continued AN WARNING PREVENT ACCIDENTS Use hazardous substances carefully
65. ortford Herts CM23 4BU Telephone 01279 723444 953910KG141004 953910KG141004 CUSTOMER INFORMATION MACHINE DETAILS Model emma Machine Serial No 6666 Engine Serial No Cutterhead Serial Transmission Pump Serial No 5 s Transmission Valve Block Front Serial No Cutter Control Valve Front amp Centre Serial No s hh hh hs Cutter Control Valve Wing Serial No s 953910KG141004
66. osition Cutterhead Lift Configuration Automotive padded steering wheel with adjustable steering column Electrical switch forward off reverse Hand operated lever Hand operated lever Separate foot operated pedals Key start shut off and engine preheat Foot pedal Electrical Switch Hand operated lever Electrical Switch Two Positions Horn Button switch Weight Transfer Hand wheel INSTRUMENTATION Warning Lights Engine oil pressure Battery charge Engine coolant temperature Hydraulic transmission oil temperature Gauges Digital hour meter Fuel level Hydraulic oil level sight glass Indicator Lights Engine pre heat Hydraulic return filter blocked Hydraulic transmission filter blocked Cutterdeck drive switch off Parking brake engaged Transmission neutral Work mode active 953910KG141004 SPECIFICATIONS WEIGHT AND DIMENSIONS Wheel Base 1610 mm Working Width 3640 mm Cutting Width 3460 mm Transport Width 1850 mm at 13mm height of cut Overall Length 2930 mm Overall Height 1570 mm Approx Working Weight 1800 kg less operator no options fitted The exact weight depends on the cutterhead configuration RECOMMENDED LUBRICANTS AND HYDRAULIC FLUIDS Grease Points good quality medium grease Engine Refer ENGINE OPERATORS MANUAL Hydraulic System Ambient Temperature Range
67. ources of ignition in vessels specifi cally designed for storing fuel oils A Lubricating Oil Avoid skin and eye contact Wear impervious gloves when regular contact is likely and goggles when there is risk of splashing Wash hands thoroughly after contact Store in a cool dry well ventilated place away from heat and sources of ignition A Anti Freeze Keep away from heat sparks and flames Avoid skin and eye contact and breathing vapours Store in a closed container in a cool dry well ventilated area 953910KG141004 SAFETY PRECAUTIONS MAINTENANCE AND STORAGE Take care when rotating a cutting cylinder as this can cause other cylinders to rotate When the machine is to be parked stored or left unattended lift the cutterheads to the transport position and engage the safety locks or lower the cutterheads to the ground Keep all nuts bolts and screws tight to be sure the equipment is in safe working condition Allow the engine to cool before storing in any enclosure To reduce the risk of fire keep the engine silencer fuel tank and battery compartment free of grass leaves or excessive grease Frequently check fuel lines and fittings for cracks or leaks and replace if necessary Pe Pee Replace worn or damaged parts for safety AN Ensure that all safety decals are properly secured and in good condition N If the fuel tank has to be drained this should be done outdoo
68. r consumption and prolonged life for the cutting edges Carry out the following procedure before commencing work and re check the settings every few hours Check that the cutting cylinder is correctly set to the bottom blade by holding a thin piece of paper between the cutting cylinder and the bottom blade as shown Carefully rotate the cylinder as shown and check that the paper is cut cleanly at all points along the length of the blade Hold the paper at 90 degrees right angles to the bottom blade to obtain the correct cutting action AN WARNING PREVENT ACCIDENTS Ensure that people are clear of the cutting cylinders as rotation of one may cause others to rotate If adjustment is necessary proceed as follows Release nut A 1 4 turn both ends ra Turn handwheel B each end alternately whilst rotating the cutting cylinder backwards until the bottom blade is in fleeting contact with the cylinder along its entire length Re check the cutting action along the length of the bottom blade using a thin piece of paper making marginal adjustments as necessary Tighten nut A both ends If it is impossible to obtain a good clean paper cut across the entire length of the bottom blade it will be necessary to carry out the backlapping procedure to reprocess the cutting edges In severe cases it will be necessary to regrind the cutting cylinder and the bottom blade refer BACKLAPPING GRINDING
69. ransport mode switch 24 Centre cutterhead transport latch 25 LH front cutterhead transport latch 26 RH front cutterhead transport latch 27 Centre cutterhead transport latch 28 LH wing unit transport latch 29 RH wing unit transport latch 30 Differential lock pedal 31 Dual lift configuration switch 32 Wash wipe switch supplied with cab kit 33 Forward travel pedal 34 Reverse travel pedal 35 Forward travel speed backstop lever 36 Forward travel speed backstop cam 37 Hour Meter 28 10953501 953910 141004 OPERATING THE MOWER BRAKING SYSTEM Parking Brake Engaged Parking Brake Move the parking brake lever to its rear position to engage the parking brake Do not operate the mower with the parking brake engaged lt WARNING PREVENT ACCIDENTS The parking brake operates on the front wheels only Do not park the mower on a slope Service brakes Service braking is achieved by the hydraulic transmission system When the forward or reverse travel pedals are released or the engine speed reduced service braking becomes effective and travel speed is automatically reduced To increase the braking effect push the transmission pedals into the neutral position WARNING PREVENT ACCIDENTS The service braking system will not hold the mower at a standstill ALWAYS ensure the parking brake is engaged to park the mower at a standstill Emergency Brak
70. rs AN Be careful during adjustment of the machine to prevent entrapment of the fingers between moving blades and fixed parts of the machine AN Never attempt to disconnect any part of the hydraulic system before de pressurisation This may be achieved by lowering all cutterheads to the ground stopping the engine and removing the ignition key A Avoid skin or eye contact with hydraulic or diesel fluids Wear protective clothing AN Leaking fluids under pressure can penetrate the skin or eyes causing serious injury Always use a piece of cardboard or paper when searching for leaks Health and Safety at Work Act In accordance with section 6 of the Health and Safety at Work Act 1974 the T424 Turf Mower has been designed and constructed so that in so far as is reasonably practical it will not endanger the safety and health of those working with it This is however subject to the machine being properly used and maintained according to the conditions stated in this manual and elsewhere which have been found necessary as a result of the research and testing of Hayter Limited 953910KG141004 SAFETY PRECAUTIONS DECALS Decal Control Panel Part No 994912 Location Control Panel a Ignition Switch b Engine Speed Slow c Engine Speed Fast d Parking Brake Engage e Parking Brake Disengage f Weight Transfer Control 6 Cutters Reverse h Cutters Off 1 Cutters Forward j Horn k
71. s Blocked engine radiator matrix Low relief valve setting Low oil level Brakes engaged Cutting cylinders tight on bottom blades Defective fan or fan drive Clean screen Clean fins Clean matrix Have relief valve cleaned and pressure checked Consult your Hayter dealer Fill reservoir to correct level Disengage brakes Readjust settings Check fan operation and service as required Incorrect brake operation Faulty wheel motor brake assembly Worn brake discs Consult your Hayter dealer Replace brake discs Consult your Hayter dealer 953910KG141004 TROUBLE SHOOTING TROUBLE SHOOTING Continued PROBLEM POSSIBLE CAUSE REMEDY Lack of transmission drive Parking brake engaged Low oil level Incorrect oil used Defective travel pedal linkage Defective transmission pump Transmission relief valve open Broken drive coupling Transmission filter blocked Release parking brake Fill reservoir to correct level Drain reservoir and refill with correct oil Check linkage and replace defective parts Have the transmission pump overhauled by your Hayter dealer Close relief valve refer MAINTENANCE TOWING THE MOWER Replace drive coupling Replace transmission filter Forward backward transmission creep in neutral Transmission neutral ad justment incorrectly set Readjust tr
72. s ensure all of the following Stop the machine on level ground Apply the parking brake and disengage all drives Lower the cutting units to the ground or securely lock in the designated transport positions Stop the engine and remove the ignition key to isolate all power sources and check that they are stopped Release all stored energy devices Check that all moving parts are stationary NEVER ATTEMPT TO ROTATE THE CUTTING CYLINDERS BY HAND as there may be some residual pressure in the hydraulic system which could cause injury through sudden movement of the cylin der s when the blockage is released Always wear protective gloves and use a suitable strong wooden instrument Ensure that this will fit between the blades and through the cylinder and is long enough to provide sufficient leverage to release the block age and any residual hydraulic system pressure by rotating or rocking the cylinder Make sure that the wood en instrument is properly supported in the cylinder and avoid the use of excessive force to prevent damage Only when the cylinder has a degree of free movement should the source of the blockage be removed Ensure that the wooden instrument is also removed before restarting the power source If the cylinder requires readjustment or repair refer MAINTENANCE Cutterheads CENTRE CUTTERHEAD HEIGHT OF CUT CORRECTION ADJUSTMENT With all cutterheads set at the same HOC via the indicator rings
73. screen Check the oil cooler and engine radiator grille for debris and clean as necessary using a brush or airline If water is used these areas should be allowed to dry out completely before use IMPORTANT PREVENT DAMAGE NEVER operate the mower with a damaged radiator screen or engine damage could result from overheating Clean the radiator screen more regularly in dry conditions 1P953C14A 1 Radiator screen 2 Oil cooler 3 Radiator Check fuel level Top up as necessary with diesel fuel Always top up before storing the mower over night to prevent water condensation from contaminating the fuel Check hydraulic oil level If the oil level is below the upper mark on the sight level gauge top up with the correct grade of hydraulic oil as necessary refer SPECIFICATIONS WARNING PREVENT DAMAGE If there is noticeable hydraulic oil loss the leakage source must be rectified before using the mower NEVER operate the mower when the hydraulic oil level is below the bottom mark on the sight level gauge NEVER operate the mower with contaminated oil 1D924P06B 1 Sight level gauge 2 Oil tank 3 Oil filler cap 4 Fuel tank 953910KG141004 MAINTENANCE DAILY AND BEFORE USE Continued Check hydraulic hose lines Inspect hydraulic hose lines for signs of wear or damage WARNING PREVENT ACCIDENTS ALWAYS replace worn or damaged hydraulic hose lines immediately DO NOT operate the
74. taken if an industrial power greaser is used as this may result in damage to the bearing sealing arrangement Check forward reverse travel pedal action With the engine switched off operate the forward and reverse travel pedals through the full range of articulation and ensure that the mechanism returns freely to the neutral position N WARNING PREVENT ACCIDENTS Do not operate the machine if there are any signs of Stickiness in the pedal mechanism which prevents a free return to the neutral condition 953910KG141004 MAINTENANCE DAILY AND BEFORE USE Continued Check operator presence controls AN WARNING PREVENT ACCIDENTS Keep bystanders away when checking operator presence control interlock switches DO NOT use the mower unless the operator presence con trols work correctly as described below If difficulties arise consult your Hayter dealer Operator presence seat switch Sit on the operator seat and start the engine Lower the cutterheads to the ground and engage the cutter drive in the forward direction Rise from the operators seat and check that the cutting cylinders come to a stop after an initial 0 5 to 1 second delay Repeat with the cutting cylinders running in reverse Cutter drive interlock switch Stop the mower engine Operate the cutter drive switch to the off position and turn the ignition key to position The cutterhead drive switch indicator light should illu
75. the clip rate required Operate the lever in a forward direction to increase N the travel speed setting and in a rearward direction p to decrease p Note This is not a cruise control device Releasing Tre the forward travel pedal will allow it to return to neutral S 10953507 OPERATOR PLATFORM LATCHING MECHANISM WARNING PREVENT ACCIDENTS Never operate the mower without first checking that the operator platform latching mechanism is fully engaged and in good working order Check behind the seat and ensure that the top of the platform is flush with the top of the fuel tank Also check beneath the tool tray and ensure that the release lever is padlocked in the correct position IMPORTANT PREVENT DAMAGE Engage the parking brake and lower the cutterheads to the ground Remove ignition key and close ignition cover before raising or lowering the platform Releasing the platform Release and remove the tool tray from the left hand side of the platform Release the padlock securing the locking latch handle with the key provided Move the locking latch handle towards the front of the mower position A until the latch hooks clear the locking bar and raise the platform The gas spring will provide assistance Securing the platform Lower the platform carefully The gas spring will provide assistance Move the locking latch handle towards the front of the mower position A as the platform nears the full
76. the parking brake is released for the engine to continue to run With the engine running and the machine moving with the travel pedal depressed the engine will contin ue to run when the operator rises from the seat If the travel pedal is then allowed to return to neutral the engine will cut out AN WARNING PREVENT ACCIDENTS Do not operate the turf mower if the operator presence controls are defective in any way ALWAYS replace faulty parts and check that they function correctly before operating the mower 953910KG141004 OPERATING THE MOWER IDENTIFICATION OF CONTROLS 1 Parking brake lever 2 Lighting switch supplied with lighting kit 3 Warning beacon switch supplied with beacon kit 4 Hazard warning switch supplied with lighting kit Cutterhead position controls Throttle control lever Ignition key Cutterhead drive switch Dip beam main beam light switch supplied with lighting kit 10 Direction indicator switch supplied with lighting kit 11 Horn button 12 Transmission oil filter indicator 13 Oil pressure indicator 14 Transmission temperature indicator 15 Return oil filter indicator 16 Battery warning indicator 17 Engine temperature warning indicator Soo CON SA 4A953B01A 18 Glow plug indicator 19 Cutterhead drive off indicator 20 Parking brake indicator 21 Transmission neutral indicator 22 Weight transfer control 23 Work T
77. tion key A Engage the parking brake disengage the drive to the cutterheads stop the engine and remove ignition key Before releasing blockages Before checking cleaning or working on the mower After striking a foreign object Inspect the mower for damage and make repairs before restarting and operating the equipment If the machine starts to vibrate abnormally check immediately Before refuelling Before making cutterhead adjustments Disengage the drive to the cutterheads when transporting or not in use N Reduce the throttle setting during engine run out A Never work on the mower when the engine is running A Always keep feet and hands well away from the cutting cylinders when making adjustments A Never operate the mower without first checking that the operator platform is securely latched 953910KG141004 SAFETY PRECAUTIONS HANDLING AND STORAGE OF FLUIDS N Hydraulic Oil Avoid contact with eyes and prolonged contact with skin Protective goggles should be worn when pouring Use of gloves or barrier cream is recommended Wash hands thoroughly after contact Store under cover away from heat and sources of ignition A Diesel Oil Avoid skin and eye contact Wear impervious gloves when regular contact is likely and goggles when there is risk of splashing Wash hands thoroughly after contact Store in a cool dry well ventilated place away from heat and s
78. tion when travelling or mowing on a slope A Never park on a slope 3DA176 Exercise extreme care when changing direction on a slope Do not stop or start suddenly Engage drive slowly Keep machine speed low Avoid tight turns Stay alert for humps hollows and other hidden hazards Keep away from sharp inclines and steep drops A thorough risk assessment should be carried out by a competent person before travelling or mowing on a slope Ground level 953910KG141004 SAFETY PRECAUTIONS OPERATION Continued Watch out for traffic when crossing or near roadways Use extreme caution when reversing Disengage the cutterhead drive system before crossing surfaces other than grass When using the machine never direct the discharge of material towards bystanders or allow anyone near the machine while in operation Never operate the mower with defective guards shields or without safety protective devices in place and in good working order Do not change the engine governor settings or overspeed the engine Operating an engine at excessive speed may increase the risk of personal injury Dp ipe Before leaving the operator s position Disengage the drive to the cutterheads Lift cutterheads to the transport position and securely lock the safety latches or alternatively lower cutterheads to the ground Change into neutral and set the parking brake Stop the engine and remove the igni
79. ttom blades 953910KG141004 MAINTENANCE CUTTERHEAD GRINDING It will be necessary to carry out a grinding operation to correct cylinder spiral edges or bottom blade edges which have become excessively rounded or distorted Bottom blades which are nearing the end of their wear life should be replaced The new blades should be ground on their holders prior to fitting refer CUTTERHEAD BOTTOM BLADE REPLACEMENT When grinding operations are necessary it is essential that both cylinders and bottom blades are ground at the same time The only exception to this rule is when a new cylinder is fitted in which case it is only necessary to grind the bottom blade such grinding operations should be carried out by your dealer on a quality well maintained cylinder bottom blade grinding machine CUTTERHEAD BOTTOM BLADE REPLACEMENT Remove the bottom blade holder by removing the three fixing bolts at each end and withdraw from the cutterhead Remove the worn bottom blade and discard the countersunk screws and securing nuts Fit the new blade to the holder and loosely assemble with new countersunk screws and securing nuts Tighten the centre bolts to a torque of 40 Nm Continue by tightening the remaining bolts to the same torque by working from the centre out towards the blade ends The new bottom blade must be ground on its holder prior to refitting to the cutterhead Adjust the cutting cylinder position t
80. uce transmission system wear it is advis able to operate the machine in the appropriate mode Work signifies cutting operations and Transport signi fies travelling between work sites A differential lock function may be selected The Hayter T424 Mower is a precision built machine designed solely for cutting grass and similar low lying ground vegetation within the limitations stated in this manual Use in any other way is considered as contrary to the intended use Compliance with and strict adherence to the conditions of operation service and repair as specified in this Operators Manual also constitute essential elements of the intended use The way in which this machine is operated and maintained will have a profound effect on its performance and reliability This manual contains advice on the Hayter T424 Mower which should be operated serviced and repaired only by persons who are familiar with its particular characteristics and who are acquainted with the relevant safety proce dures The safety precautions listed herein and all other generally recognised regulations on safety and all road traffic reg ulations must be observed at all times Any arbitrary modifications carried out to this machine may relieve Hayter Limited of liability for any resulting dam age or injury In the pursuit of continuous product development Hayter Limited reserve the right to alter specifications without notice Cutterhead Variants The Hayter T4
81. ully raised with the latches and safety locks engaged in position before transporting the mower Replace faulty silencers Check the condition of the tyres and ensure that they are inflated to the correct pressures refer SPECIFICATIONS This is particularly important if the machine is to be taken on the public highway Check that the mower is in good working order paying particular attention to the brakes and steering Also ensure that the forward reverse speed control pedals move freely to neutral when released Before use always visually inspect to see that the blades blade bolts and cutting cylinders are not worn or damaged Replace worn or damaged components Check the mower hydraulic system particularly the hydraulic hoses fittings and hose supports Worn crushed or damaged hoses can burst with risks to health and damage to the machine and surrounding turf areas After refuelling and adding oil to the hydraulic oil tank ensure that the caps are replaced securely Check that all linkages connections and pivot nuts are secure and that wheel nuts are torqued correctly refer SPECIFICATIONS Before operating the machine ensure that there are no foreign objects or liquids on the platform or ped als ALWAYS KEEP THE OPERATOR PLATFORM CLEAR CLEAN OPERATION AN e gt gt gt Do not operate the engine in a confined space where dangerous carbon monoxide fumes can collect Mow only in daylight or
82. wn MK3 254mm FIXED CUTTERHEAD Height of cut adjustment The height of cut is gauged by the position of the rear roller Turn the adjusting nut assembly both ends clockwise to decrease height of cut E or anti clockwise to increase height of cut IMPORTANT PREVENT DAMAGE Do not attempt to unlock the nut assemblies Ensure that all cutterheads are set at the same height of cut by either referring to the indicator rings C or by using a height of cut gauge across the full width of each cutterhead for greater accuracy as shown 953910KG141004 OPERATING THE MOWER MK3 200mm FLOATING CUTTERHEAD Pivot knuckle fixing Secure the bolt in the rear floating slot position A as shown 1D876P07A Height of cut adjustment The height of cut is gauged by the position of the front and rear rollers To alter the rear roller position turn the adjusting nut assembly both ends clockwise to decrease height of cut E or anti clockwise to increase height of cut E IMPORTANT PREVENT DAMAGE Do not attempt to unlock the nut assemblies To alter the front roller position loosen bolts F Release and turn adjusting nuts D both ends clockwise to increase the height of cut or anti clockwise to decrease the height of cut Ensure that all cutterheads are s
83. y lowered position This will ensure that the latch hooks clear the locking bar Fully lower the platform and move the locking handle towards the rear of the mower position B until the latch hooks fully engage the locking bar Replace the padlock in order to secure the locking latch handle in place 1 Tool tray 2 Locking latch handle 3 Padlock A Release B Lock 3D924S002A 3D924S004A 953910KG141004 OPERATING THE MOWER ADJUSTABLE STEERING COLUMN AN WARNING PREVENT ACCIDENTS Before operating the mower ensure that the steering column adjuster mechanism is in good working order and that the steering wheel is locked securely in position WARNING PREVENT ACCIDENTS Adjustment of the steering wheel and steering column should only be carried out when the mower is at a standstill with the parking brake engaged Adjusting the angle of inclination of the steering wheel Move lever A downwards to adjust the angle of steering wheel Release the lever to lock the steering wheel in position Adjusting the length of the steering column Move the lever A upwards to adjust the length of the steering column Release the lever to lock the steering column in position 953910KG141004 OPERATING THE MOWER OPERATOR SEAT N WARNING PREVENT ACCIDENTS Before operating the mower ensure that the operator seat mechanisms are in good working order a

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