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Dvorak SPIDER MINI II Service Manual

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R O T A R Y S L O P E M O W E R
SERVICE MANUAL
Dvořák – svahové sekačky, s.r.o.
Dvorce 62
Havlíčkův Brod 580 01
Czech Republic
SPIDER MINI II
Původní návod k použití
SM-8 Ev3/08072015
Tel: +420 569 425 767
Fax: +420 569 429 239
Mail:
info@spider-cz.com
Web: www.spider-cz.com

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  • Page 1 R O T A R Y S L O P E M O W E R SERVICE MANUAL SPIDER MINI II Původní návod k použití SM-8 Ev3/08072015 Dvořák – svahové sekačky, s.r.o. Tel: +420 569 425 767 Dvorce 62 Fax: +420 569 429 239 Havlíčkův Brod 580 01...

  • Page 2: Table Of Contents

    SPIDER MINI TECHNICAL SPECIFICATIONS ....................3 1 SPECIAL SERVICE TOOLS ......................4 2 TROUBLESHOOTING ........................6 3 BASIC TECHNICAL SPECIFICATIONS ..................9 4 REGULAR MAINTENANCE OF SPIDER MINI ................. 10 4.1 DAILY OR EACH 8 mth ...................... 10 4.2 AFTER FIRST 5 HOURS ..................... 13 4.3 AFTER 50 HOURS.......................

  • Page 3: Technical Specifications

    TECHNICAL SPECIFICATIONS Parameter Unit Value Length/Width mm (inch) 910 x 1040 (36 x 41) Height mm (inch) 600 (23,6) Mowing width mm (inch) 560 (22) 40 – 90 (1,5 – 3,5) - 6 levels Mowing blade height mm (inch) Weight kg (pound) 125 kg (275) 0 –...

  • Page 4: Special Service Tools

    1 SPECIAL SERVICE TOOLS Wooden blocks for lifting the mower ( 150x130x80) – 4 pieces Stright lath for wheel geometry adjustment (length 1100 mm) Oil filter release jig 4 / 102 SM-8 Ev3/08072015...
  • Page 5 Wheel hub puller Ampere meter CEM DT – 9701 Voltmeter Ben electronic DT - 830 D+ 5 / 102 SM-8 Ev3/08072015...

  • Page 6: Troubleshooting

    2 TROUBLESHOOTING Problem Possible cause Correction No green light illuminates after RC No or empty batteries in the RC Insert fully charged batteries into is turned on the RC. RC failure Turn off the RC and turn it on again. If restart does not help, contact an authorized service.
  • Page 7 starter and ignition. Neutral light is illuminated. Disconnected cable between fuse Check cables and connectors Starter relay works correctly. box and starter Engine brake is released Defective switch of the engine Check voltage before and behind brake (under engine cover) the engine brake switch.
  • Page 8 Worn clutch bearings Check free turning of functional components of the clutch. Replace if necessary. Mower vibrates when clutch Unbalanced or bent blade Balance and sharpen blade, replace engaged. if necessary Damaged blade hub Replace Bent crankshaft Contact authorized service Insufficiently tightened blade Glue and tighten blade bolts Mower pivots around vertical axis...

  • Page 9: Basic Technical Specifications

    3 BASIC TECHNICAL SPECIFICATIONS 9 / 102 SM-8 Ev3/08072015...

  • Page 10: Regular Maintenance Of Spider Mini

    4 REGULAR MAINTENANCE OF SPIDER MINI 4.1 DAILY OR EACH 8 mth a) Check leakage of engine and hydraulic oil Dipstick b) Check and add engine oil level, fill up to the maximum mark on the dipstick - see 6.2 Replacement of engine oil and filter c) Check tires pressure 200 kPa / 2 bar / 30 PSI 10 / 102 SM-8 Ev3/08072015...
  • Page 11 d) Check tightening of steering and driving chains - see 6.9 Replacement of the steering chain - see 6.11 Replacement of the main drive chain e) Check out electric and safety equipment f) Check geometry and sharpening of the blade - see 6.8 Sharpening of the blade g) Check tightening of blade bolts...
  • Page 12 d) Lubricate the sliding of the machine shown in the figure below - Use a spray lubricant: Berner grease for chains 12 / 102 SM-8 Ev3/08072015...

  • Page 13: After First 5 Hours

    4.2 AFTER FIRST 5 HOURS a) Change engine oil - see 6.2 Replacement of engine oil and filter 4.3 AFTER 50 HOURS a) Check tightening of V-belt - see 6.6 Replacement of the clutch, drive V-belt and engine pulley b) Check or recharge main gel battery c) Retighten all bolts and nuts d) Check and clean mechanical blade clutch - Remove the cover of the mowing device and blow it with compressed air...

  • Page 14: After 200 Hours

    g) Check and add engine oil level, fill up to the maximum mark on the dipstick h) Clean paper and rough air filters 4.4 AFTER 200 hours a) Check or adjust wheel geometry - see 6.15 Wheel geometry alignment b) Adjust neutral position of driving system – SW SpiderMiniConfig - see Programming of the control unit or use a special procedure (adjustment of the neutral position by steering joystick) - see 6.17 Replacement of...
  • Page 15 c) Change hydraulic oil and filter - see 6.3 Replacement of hydraulic oil and filter d) Check oil level of wheel suspension - see 6.12 Replacement of the wheel chain e) Check or replace drive V-belt - see 6.6 Replacement of the clutch, drive V-belt and engine pulley f) Check bearings of the clutch and blade hub - see 6.6 Replacement of the clutch, drive V-belt and engine pulley...

  • Page 16: Seasonal Period

    g) Replace paper and rough air filters 4.5 SEASONAL PERIOD a) Visually check hydraulic hoses, fuel leading, wiring or eventually exchange b) Adjust neutral position of driving system – SW SpiderMiniConfig- see Programming of the control unit or use a special procedure (adjustment of the neutral position by steering joystick) - see 6.17 Replacement of the drive servomotor c) ) Change hydraulic oil and filter...
  • Page 17 d) Check oil level inside the wheel suspension - see 6.12 Replacement of the wheel chain e) Check after-running limit of the blade f) Check bearings of the clutch - see 6.6 Replacement of the clutch, drive V-belt and engine pulley g) Replace spark plugs h) Replace fuel filter, breath filter and clean fuel tank 17 / 102...
  • Page 18 ch) Check and adjust valve clearance Valve clearance: - 0,10 – 0,20 mm Intake - 0,10 – 0,20 mm Exhaust Adjustment: -Using a feeler gauge (A), adjust rocker nut to obtain the clearance -Hold rocker nut and tighten the rockerball setscrew (B). Piston must be in T.D.C.

  • Page 19: Engine Maintenance Chart

    5 ENGINE MAINTENANCE CHART First 5 Hours  Change oil Every 8 Hours or Daily  Check engine oil level  Clean are around muffler and controls  Clean finger guard Every 50 Hours or Annually  Clean air filter* ...

  • Page 20: Instruction Manual Spider Mini

    6 INSTRUCTION MANUAL SPIDER MINI 6.1 Tilting of the mower for maintenance-service position Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Turn the wheels across the direction of the tilt-wheel housings must be turned down Always tilt the mower exhaust up to prevent ingress of oil into the engine air intake and air filter Before starting work, make sure the mower is stable in this position, and that there is no possible rollover Secure it against a possible fall...

  • Page 21: Replacement Of Engine Oil And Filter

    6.2 Replacement of engine oil and filter Clean thoroughly the area around oil filter and filling neck Suck out the oil from the crankcase through the filling neck (or discharge the oil with a discharge screw when the mower is tilted) CAUTION! The oil must not get under the engine in the clutch space – the belts might slip.

  • Page 22: Replacement Of Hydraulic Oil And Filter

    6.3 Replacement of hydraulic oil and filter Remove hydraulic hose from the tank throat Remove the throat from hydraulic tank together with hydraulic filter CAUTION! throat is glued with silicone sealant Exchanged hydraulic oil must be discarded in the prescribed manner Remove and replace hydraulic filter, lubricate o-ring gasket with oil for easier insertion In case of damage of expansion bellows, remove securing tie tapes and replace it with a new one CAUTION! during installation of a new bellows, both ends must be thoroughly plugged on the bottom and...
  • Page 23 Apply required amount of silicone sealant (universal sealant for sealing gearboxes) to the hydraulic tank Install the tank throat and tighten all 4 screws Reinstall hydraulic suction hose 30Nm Start the engine and with using the drive system , backward and forward direction, vent hydraulic system (wheel must rotate smoothly) After the oil is heated to the operating temperature, check the tightness of the throat of the tank In the event of leakage inside oil breather hole in the throat tank, check the tightness of expansion bellows...

  • Page 24: Replacement Of Hydraulic Pump

    6.4 Replacement of hydraulic pump Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Disassembly: Set the mower to the lowest cutting position, you will get more space for easier removal of the pump Disconnect fuel line from the carburetor and remove the fuel tank Tilt the mower to the service position Remove the cover of the mowing device...
  • Page 25 Loosen the lower alternator bolt and shift the alternator bracket to the right, it will loosen the V-belt Remove the V-belt from engine and pump pulley With two tire levers pull the pulley off the shaft, careful to the feather key Now turn the mower back to the operating position 25 / 102 SM-8 Ev3/08072015...
  • Page 26 Disconnect terminals of the brake solenoid Remove solenoid from the bracket by loosing of the clip and bracket from the pump Now thoroughly clean the connecting places of the hydraulic hoses to the pump CAUTION! The oil must not get under the engine in the clutch space – the belts might slip Before you disconnect the hydraulic hose mark them for subsequent reassembly Loosen the pump 2xM8 nuts, for release use a small ratchet with a jointed extender 26 / 102...
  • Page 27 Turn the wheel to the forward direction, thereby you will get enough space to remove the pump from the machine (space for removal - between right wheel and right corner of the hydraulic tank) Disconnect the rod of the hydraulic pump from the servomotor Remove the pump 27 / 102 SM-8 Ev3/08072015...

  • Page 28: Replacement Of Hydraulic Motor

    Mounting: (Take the above steps in reverse order) Loctite the bolt of the pump shaf and of the sliding bar (LOCTITE 243) When tightening the V-belt do not overload tension of the belt ±10mm Note: When replacing the pump it is needed to add about 0.1 l of hydraulic oil HV68 Adjust neutral position of the drive system 6.17 Replacement of the drive servomotor Programming of the control unit...
  • Page 29 Lock the drive system with mechanical brake Remove the bolt Imbus M6x55 from the motor shaft Release the drive brake 29 / 102 SM-8 Ev3/08072015...
  • Page 30 Loosen the chain by upper tightenning pulley Release securing bolt M8x20 of the upper pulley Release tensioning bolt M6x45 and loosen the chain Loosen the steering chain by lower tightening pulley Release securing bolt M8x20 of the lower pulley Release tensioning bolt M6x45 and loosen the chain Remove one chain pulley on the left side from the hydraulic motor, bolt M8x110 with self securing nut M8 CAUTION! check assembly position of both pulleys –...
  • Page 31 Pull out the chain from the pinion of the hydraulic motor Remove two self securing nuts M6 from the bearing bracket Use a bolt no. M8x70 or longer for removal of the pinon together with flange bearing Remove the gear slowly together with the bearing by screwing the bolt into the thread inside the pinion CAUTION! chain must not come into the a collision with the pinion gear 31 / 102 SM-8 Ev3/08072015...
  • Page 32 Now you can remove the hydraulic motor by removing of three screws Imbus M6x20 CAUTION! careful to the spring washers Mounting (Take the above steps in reverse order) Loctite Imbus bolts M6x20 of the hydraulic motor (LOCTITE 243) For easier instalation of the pinion lubricate the shaft of the hydraulic motor Install by hand or by using the bolt M6 the pinion on the shaft CAUTION! check correct position of the chain inside all pulleys before installation Install hydraulic hoses in the correct order and tighten them 30 Nm...

  • Page 33: Replacement Of The Clutch, Drive V-Belt And Engine Pulley

    6.6 Replacement of the clutch, drive V-belt and engine pulley Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Tilt the mower to the service position Disassembly: Blade and mowing device cover Release lower bolt of alternator and by movement of the alternator to the right release the V-belt 33 / 102 SM-8 Ev3/08072015...
  • Page 34 Remove the V-belt from pulleys of the alternator and hydraulic pump Remove control lever of the clutch, 2xbolt M5x10 Remove bolt UNF ¼-30 from engine crankshaft (use pulse tightener) 34 / 102 SM-8 Ev3/08072015...
  • Page 35 Remove blade hub from the crank shaft For removing use the original bolt UNF ¼-30 and bearing puller Remove clutch plate Remove static part of the clutch - brake In case of need replace bearing 6007 2RS (press it out) 35 / 102 SM-8 Ev3/08072015...
  • Page 36 In some cases the brake can pull off the pulley of the engine. Therefore press the brake out from the pulley to remove the V-belt Mounting: (Take the above steps in reverse order) CAUTION! when changing the engine pulley do not forget install the feather key Loctite all bolts with LOCTITE 243 No need to adjust the clutch, check only the distance between the clutch and the blade hub.

  • Page 37: Replacement Of The Blade Hub And Bearing

    6.7 Replacement of the blade hub and bearing Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Tilt the mower to the service position Disassembly: Blade and mowing device cover Remove bolt UNF ¼-30 from engine crankshaft (use pulse tightener) 37 / 102 SM-8 Ev3/08072015...
  • Page 38 Remove blade hub from the crank shaft For removing use the original bolt UNF ¼-30 and bearing puller Press out the bearing 6305 2RS Mounting: (Take the above steps in reverse order) Loctite all bolts with LOCTITE 243 No need to adjust the clutch, check only the distance between the clutch and the blade hub. When the blade is engaged there should be about 1 mm gap.

  • Page 39: Sharpening Of The Blade

    6.8 Sharpening of the blade Check the blade geometry: The blade must not be twisted, bent or deformed CAUTION! twisted blade must not be straightened, USE A NEW ONE Cutting sections of the blade must be in one level The blade must not have any cracks For high quality of cut Ensuring the quality cut, the distance between the plane of cutting sections and the plane of blade placing should be in the range of 11-12 mm...

  • Page 40: Replacement Of The Steering Chain

    Replacement of the blade: Switch off the machine and disengage the blade Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Tilt the mower to the service position Use a gloves for removing and sharpening Remove 2 securing bolts M10x20 and washers povolte CAUTION! the blade can fall down and injure When installing take the above steps in reverse order...

  • Page 41: Replacement Of The Steering Servomotor

    Open the chain link and split the chain, then connect the free chain section (the left one) to the new chain with a connecting link (MOFA 084-304links) Turn the driving wheel mechanism to replace the old chain with a new one (this way the wheel geometry is not impaired to much) Disconnect the chains and connect the new one (!!!Spring clip upwards!!!) Check the position of the chain in the pulleys...
  • Page 42 Release the wiring from the servomotor Remove 3 bolts Imbus M6x20 Remove the chain from the servomotor sprocket Remove the servomotor from the girder Remove the sprocket from the servomotor shaft Mounting: (Take the above steps in reverse order) Loctite securing Imbus bolts M6x20 with LOCTITE 243 Tighten the sprocket nut torque to 35Nm Tension the chain but do not over load it, the chain slack should be approx 10mm 42 / 102...

  • Page 43: Replacement Of The Main Drive Chain

    6.11 Replacement of the main drive chain Replacement is required if the deflection due to wear is too big with no chance to tension it Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Replacement: Lift or support the machine so that the wheelsare off the ground and can turn freely Release the bypass valve on the hydraulic pump 2 turns...
  • Page 44 Now using the remote control turn the wheels, align the hole in the steering wheel with the hole in the top drive wheel Screw both chain wheels together, do not tighten the screw Remove tensioning pulley for sufficient slackness of the chain 44 / 102 SM-8 Ev3/08072015...
  • Page 45 Move the chain out from the girder Open the chain link and split the chain Connect the free chain section (the left one) to the new chain with a connecting link (MOFA 084-286links) Turn the driving wheel mechanism to replace the old chain with a new one Disconnect the chains and connect the new one (!!!Spring clip upwards!!!) 45 / 102 SM-8 Ev3/08072015...

  • Page 46: Replacement Of The Wheel Chain

    Remove the countersunk screw from the wheels and screw it back to the steering wheel taperlock Check the position of the chain in the pulleys Tension the chain but do not over load it, the chain slack should be approx 10mm Lubricate the chain with a chain lubrication spray 6.12 Replacement of the wheel chain Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury...
  • Page 47 Disassembly: Remove metal cover of the green chain tensioners 6x Imbus M6x12 CAUTION! two lower bolts are with spring washers Release two green tensioning segments – remove springs Remove bearing rollers 6x bolt Imbus M6x12 47 / 102 SM-8 Ev3/08072015...
  • Page 48 Remove wheel hub 8x bolt Imbus M6x12 Remove flange of wheel suspension 5x bolt Imbus M8x20 48 / 102 SM-8 Ev3/08072015...
  • Page 49 Remove chain from the wheel housing In case of need replace bearing in the wheel flange, remove securing ring pos.3.4. and press out the bearing 6004 2RS 49 / 102 SM-8 Ev3/08072015...
  • Page 50 Mounting: Install the chain in to the wheel housing Clean and degrease sealing surfaces and apply silicone sealant Install the chain onto the sprocket Mount the wheel hub to the wheel housing Clean and degrease sealing surfaces of the bearing rollers Applay silicone sealant and screw it on the wheel housing 8x bolt Imbus M6x12 (15Nm) CAUTION! the chain must not twist By turning of the wheel hub adjust tension of the chain ( tensioning - clockwise direction)
  • Page 51 Clean and degrease sealing surfaces of the wheel suspension flange Apply silicone sealant Instal the chain onto the sprocket CAUTION! the chain must not twist Mount the flange to the wheel housing 5x bolt Imbus M8x20 (30Nm) Turn by hand carefully with the wheel shaft forward and back, for proper seating of the chain inside the sprockets and chain guides.
  • Page 52 Install the springs of tensioning segments - first on the pin in the housing and then into the hole on the segment. Use a small sharp pliers Before installing the cover of the tensioners be sure that the chain is not twisted and can turn freely In case of need fill up the oil into the wheel housing, total quantity is 100ml of MOBILUX EP004 Clean and degrease sealing surfaces Apply silicone sealant...

  • Page 53: Replacement Of The Wheel Shaft, Bearings And Chain Tensioners

    6.13 Replacement of the wheel shaft, bearings and chain tensioners Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Lift or support the machine so that the wheels are off the ground and can turn freely Release the bypass valve on the hydraulic pump 2 turns Remove the wheel –...
  • Page 54 Use a 3-arm puller for removing. In case of need heat up the hub for an easier disassembly Disassembly of the wheel shaft: Remove metal cover of the green chain tensioners 6x Imbus M6x12 CAUTION! two lower bolts are with spring washers Release tensioners –...
  • Page 55 Remove bearing rollers 6x bolt Imbus M6x12 Remove wheel hub 8x bolt Imbus M6x12 Pull out the hub with sprocket from the wheel housing and then from the chain Remove bearing seal pos.1.7 and shaft securing ring of the shaft pos.1.6 Press out the shaft of the wheel hub 55 / 102 SM-8 Ev3/08072015...
  • Page 56 In case of need replace bearings 6004-2RS – remove the securing ring pos.1.5 and press the bearings out from the wheel hub Mounting: (Take the above steps in reverse order) Lubricate the shaft with a grease Put it in the bearings, mind the spacing ring pos.1.3, install the securing ring pos.1.6, and new bearing seal, pos.1.7 apply the sealant on the tensioner cover and install on the wheel housing (15Nm) CAUTION! the chain must not twist...
  • Page 57 In case of need fill up the oil into the wheel housing, total quantity is 100ml of MOBILUX EP004 Clean and degrease sealing surfaces and apply silicone sealant Install the chain onto the sprocket Mount the wheel hub to the wheel housing Install the chain onto the sprocket Mount the wheel hub on the wheel housing CAUTION! the chain must not twist...

  • Page 58: Replacement Of The Wheel Suspension

    Install the wheel rim hub Clean and degrease the cone on the shaft and inside the hub Install the feather key, hub and the washer Degrease Screw the nut on the shaft ( use LOCTITE 243) and tighten it 100 Nm Install the wheel on the hub 60Nm Tighten the Bypass of the hydraulic pump 6.14 Replacement of the wheel suspension...
  • Page 59 Release both chains Remove tensioning pulley for sufficient slackness of the chain Disassembly: Put out the upper chain from the sprocket 59 / 102 SM-8 Ev3/08072015...
  • Page 60 Remove the screw Imbus M6x20 Install two bolts Imbus M6x30 into the disassembly holes. Screw them inside and slowly remove the sprocket from the shaft Remove four countersunk screws M6x40 from the taperlock 60 / 102 SM-8 Ev3/08072015...
  • Page 61 Remove rubber handle three bolts Imbus M6x10 Release the steering sprocket from the taperlock through two openings Now you can put out the housing from the placing Mounting: (Take the above steps in reverse order) After reassembly align wheel geometry – see 6.15 Wheel geometry alignment Recommendation: replace all four countersunk screws Imbus M6x40 for a new ones 61 / 102...

  • Page 62: Wheel Geometry Alignment

    Loctite the main bolt Imbus M6x20 of the sprocket (LOCTITE 243) 6.15 Wheel geometry alignment Before you will start with alignment, check the tyre pressure - each wheel should have 2 bar Check the tension of the steering chain CAUTION! mechanical brake must be released Turn the wheels forward –...
  • Page 63 Remove plastic bonnet - four snap locks Release the bypass valve on the hydraulic pump 2 turns Push the mower (don´t start, push by hands only) adjust correct position of the upper sprocket against the cuntersunk screws for their possible exchange 63 / 102 SM-8 Ev3/08072015...
  • Page 64 Release taperlock Four countersunk screws M6x40 – 1 turn Release the sprocket from the taperlock Now you can turn freely with the wheel suspension CAUTION! mind the countersunk screw against collision with the sprocket 64 / 102 SM-8 Ev3/08072015...
  • Page 65 Use a straight lath for the wheels alignment, on the right from tire side and on the left from housing side Tighten crosswise all four bolts 15Nm – never turn the wheel until you tighten first screw! Check the geometry again Tighten the Bypass of the hydraulic pump 65 / 102 SM-8 Ev3/08072015...

  • Page 66: Replacement Of The Alternator

    6.16 Replacement of the alternator Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Tilt the mower to the service position Remove the cover of mowing device Release lower bolt and move with alternator to the right Remove the belt form the pulleys of alternator and hydraulic pump 66 / 102 SM-8 Ev3/08072015...
  • Page 67 Remove the flange bolt M8x20 and Imbus M6x30 with self securing nut M6. Mind the washers Disconnect alternator connector from the main harness Mounting: (Take the above steps in reverse order) When tightening the V-belt do not overload tension of the belt ±10mm Turn the mower back to the operating position 67 / 102...

  • Page 68: Replacement Of The Drive Servomotor

    6.17 Replacement of the drive servomotor Disassembly: Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Disconnect connector of the drive servomotor and release supply wires Remove the fuel tank Tilt the mower to the service position Remove the bolt Imbus M12x25of the lower right sliding bar for its following release Turn the mower back to the operating position Relase the rod of the engine brake nut M4...
  • Page 69 Release the connecting rod of the servomotor Remove the whole bracket with the servomotor- two bolts Imbus M6x20, mind the spring washers Remove the bolt Imbus M6x55 from the released sliding bar and the elevation rod 69 / 102 SM-8 Ev3/08072015...
  • Page 70 Boost the released sliding bar upward to make a sufficient space for the servomotor removal CAUTION! mind the rubber stop ring under the weight Remove the lever and the bracket of the servomotor, self securing nut M8 and three bolts M6x20 Mounting: (Take the above steps in reverse order) Do not forget to install the rubber stop ring under the weight CAUTION! sliding bar has a flange which must properly get into the frame placing...
  • Page 71 Neutral position adjusting: Lift or support the machine so that the wheels are off the ground and can turn freely Connect the main battery, first + Start the mower – CAUTION! you can start the mower when the green neutral light is shining and the engine brake is engaged (position near the frame) After starting increase the drive speed slowly and put it back to the neutral position If the mower is creeping, the electronical neutral is over the neutral limit of the pump valve, you can adjust...
  • Page 72 3) Save the value To safe the value after changing it, you’ll have to push the “HORN/ENABLE"button. The values are stored now. 4) Check the values Press the EMERGENCY STOP switch. Wait 2-3 seconds. Release the EMERGENCY STOP switch again and prepare the control to operate by pressing the "HORN/ENABLE"...

  • Page 73: Replacement Of The Brake Solenoid

    6.18 Replacement of the brake solenoid Disassembly: Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Disconnect both terminals of the solenoid Disconnect the control string from the brake lever Remove the solenoid from the bracket and the bracket itself from the pump Mounting: (Take the above steps in reverse order) For the proper function of the solenoid is needed correct adjusting of the string tension Engage down the brake lever (position near the frame), hook the string through the lever hole and secure it with...
  • Page 74 Engage the engine brake Switch on the mower, remote controller and connect the signal After approx 5 seconds switch off the remote controller by the Red STOP Emergency button, the brake should disengage upward automatically If not, release the string for approx 5mm and try the system again 74 / 102 SM-8 Ev3/08072015...

  • Page 75: Replacement Of The Main Harness

    6.19 Replacement of the main harness Disassembly: Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Disconnect: Main earth Connector of the control unit receiver 75 / 102 SM-8 Ev3/08072015...
  • Page 76 Connector of the horn Main switch – STOP button (release the latch) Neutral control light (release the latch) 76 / 102 SM-8 Ev3/08072015...
  • Page 77 connector of the beacon Release wiring on the girder – cut out all tie straps 77 / 102 SM-8 Ev3/08072015...
  • Page 78 Connector of the steering servomotor Brake solenoid Connectors of the starter, alternator and charging regulator 78 / 102 SM-8 Ev3/08072015...
  • Page 79 Release wiring of the drive servomotor and disconnect the connector Now remove the fuse box Remove three cross screws holding base of all relays Remove the fuse box 4x Imbus M5 screws Now you can remove complete main harness from the machine Mounting: (Take the above steps in reverse order) Loctite the screws Imbus M5 with LOCTITE 243 79 / 102...

  • Page 80: Carburetor Of The Engine Briggs &Stratton Professional 950

    6.20 Carburetor of the engine Briggs &Stratton Professional 950 Adjusting of the maximal (operation) revolutions - bend the bracket with the spring Maximal revolutions- 3060 RPM If the carburetor is over floated (fuel is flowing from the exhaust), check and clean seating of the floater valve.

  • Page 81: Modification Of The Engine Brake Briggs & Stratton

    6.21 Modification of the engine brake Briggs & Stratton When replacing the Briggs & Stratton engine brake first is necessary to modify the bracket Cut off the part of the bracket shown in the pictures below Bracket before the modification Bracket after the modification 81 / 102 SM-8 Ev3/08072015...

  • Page 82: Replacement Of The Engine Briggs & Stratton Professional 950

    6.22 Replacement of the engine Briggs & Stratton Professional 950 Type of the engine: Professional 950 Disassembly: Disconnect the battery and spark plug to prevent accidental starting of the machine and possible injury Remove the blade, cover of the mowing device, clutch, V-belt, pulley of the engine - see 6.6 Replacement of the clutch, drive V-belt and engine pulley Turn the mower back to the operating position...
  • Page 83 Connector of the starter, charging and engine stopping Main earth - self securing nut M6 Connector of the drive servomotor Cut out needed tie straps 83 / 102 SM-8 Ev3/08072015...
  • Page 84 Remove all four bolts Imbus M6x55 on each sliding bar Now you can devide the mower into two parts, it means upper part with the girder and whell suspensions and lower part with the frame and the engine 84 / 102 SM-8 Ev3/08072015...
  • Page 85 Disassembly: Remove the connecting rod of the engine brake nut M4- put the rod out from the bracket, arrow direction Release the engine by three flange nuts M8 Remove the engine from the frame Mounting: (Take the above steps in reverse order) Install brake rod on a new engine 85 / 102 SM-8 Ev3/08072015...
  • Page 86 Install the engine into the frame Tighten three flange nuts M8 of the engine, use LOCTITE 243 Secure the brake rod in the bracket with the nut M4 CAUTION! the rod must move freely in the bracket CAUTION! do not tighten too much locking pins, self-locking nut M6, of the height adjustment, the lever must move freely to ensure proper function of the height adjusting Connected connectors and wiring fasten with tie straps CAUTION! NEW ENGINES ARE DELIVERED WITHOUT ANY FILLING.

  • Page 87: Hydraulic Circuit

    6.23 Hydraulic circuit Hydraulic motor OMM20 Hydrogear PC-AGJJ-MA1X-XXXX Hydraulic pump 6 cm Hydraulic oil pressure: - nominal 90 bar - maximal 120 bar 87 / 102 SM-8 Ev3/08072015...

  • Page 88: Torque Chart

    6.24 Torque chart Bolt material 480 – 680 580 – 780 780 – 980 980 – 1180 Material strength [MPa] 1180 - 1380 13,5 16,5 17,5 39,5 M 10 20,5 35,5 47,5 80,5 M 8x1 17,5 32,5 M 10x1,25 20,5 79,5 M 12x1,5 35,5...

  • Page 89: Electrical System

    7 ELECTRICAL SYSTEM 7.1 Electrical component location Control Unit NBB Horn Drive Servomotor Neutral Light Beacon Main Switch - Brake Solenoid Emergency STOP Fuse Box, Relays Alternator Starter Steering Servomotor 89 / 102 SM-8 Ev3/08072015...

  • Page 90: Electric Circuit Diagram

    7.2 Electric circuit diagram 90 / 102 SM-8 Ev3/25062015...

  • Page 91: Fuse Box

    7.3 Fuse box Relay 7x CAUTION! When changing fuses strictlyfollow the current rating for the fuse. Do not replace damaged fusese with fuses of a higher or lower rating. These could cause severe damage to the mower or even fire! 91 / 102 SM-8 Ev3/25062015...

  • Page 92: Current Measurement Table

    7.4 Current measurement table Measured current, voltage and resistance Current Voltage Resistance Component Control unit Charging (max) 14,3 Steering (max) Brake solenoid Drive pump servo max 2 Neutral light Horn Battery capacity 18Ah 12,6 7.5 Main switch – Emergency STOP Use like main switch of power supply If main switch is depressed: contact 1-2 is switch off and 3-4 switch on Black –...

  • Page 93: Horn

    7.6 Horn Characteristics: Supply voltage: 12 V (+ red) 7.7 Brake solenoid Characteristics: Supply voltage: 12 V Coil resistance: approx 2 ohm Use for disengage the starter and shut down the engine 93 / 102 SM-8 Ev3/25062014...

  • Page 94: Light For Neutral Position

    7.8 Light for neutral position Characteristics: Supply voltage: 12 V Neutral position of the drive pump servomotor (if there is neutral, the light shines green) You can start the engine only when the signal is connected, neutral green light is shining and the foot brake is engaged M22 LED 12-30V ~ 5-14mA 7.9 Battery...

  • Page 95: Steering Servomotor Pal

    7.10 Steering servomotor PAL Characteristics: Supply voltage: 12V Steering load: 3,5- 4A Wheels off the ground Steering load proudu:16-17A Wheels blocked on the ground 7.11 Drive servomotor NBB Charecteristics: Power supply: 12 V Control power: 12 V Current: max 2A 95 / 102 SM-8 Ev3/25062014...

  • Page 96: Alternator - Charging

    7.12 Alternator - charging 1,1Ω Characteristics: Coil resistance: Irregulated output voltage 3000RPM Regulated output voltage 14,3V 3000 ot/min Max charging current White wire brings ignition down to earth via STOP button If the wire is disconnected or broken, it is impossible to turn the engine off! Blue –...

  • Page 97: Control Unit Nbb

    7.13 Control unit NBB Frequency range: 400 – 477 MHz (Transmission and reception) Characteristics: Radio frequency output <10Mw Operating ambient temperature -20 to +65°C !!!CAUTION!!! when removing and reconnecting the harness connector from/to the control unit be careful not to damage the contact pins in the connector. Remove the control unit only with disconnected battery! Serial number Service plug...

  • Page 98: Programming Of The Control Unit

    Programming of the control unit Software: SpiderMiniConfig Ensure the power on the Spider is off Connect the programming cable part no.2.250.7515 between the control unit (receiver) and the USB port on your PC or notebook 98 / 102 SM-8 Ev3/25062014...
  • Page 99 Set the switch on the cable in the direction: SEL OFF and BSL ON !!! Programming cable Switch on the power on the Spider Operating with Spider Parameter Program: Start the program on your PC PC detects the cable on one specific COM port, use tab OK 99 / 102 SM-8 Ev3/25062014...
  • Page 100 When you select the tab “Read” you can read individual parameter from the receiver - control unit NBB. You can change them and “Write” them back to the control unit. You can match the control unit (receiver) with a new remote controller, change parameters of the hydraulic pump and read status of operating hours Functions Default values: Recommended range of values:...
  • Page 101 Minimum Power Offset To set the minimum power. When the servomotor speed is too low (it reacts too slow), it can be set higher (faster). When the minimum speed is higher, it can start oscillate. This can be resolved by increasing the zero range Zero Range To set the tolerance of the set point of the hydraulic servomotor.
  • Page 102 When you have completed all parameter settings, switch off the power on the Spider and remove the programming cable from the receiver. 102 / 102 SM-8 Ev3/25062014...

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