Workshop Manual, Rider Pro 15/ ProFlex 18/ ProFlex 21 .

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Delivery and dealer service25 hour service300 hour service1. Check the fuel pump’s air filter.1. Carry out 25 hour service.2. Check/clean the engine cooling air intake.2. Carry out 50 hour service.3. Clean the cooling air intake to the transmission.3. Carry out 100 hour service.4. Clean the air filter’s pre-filter (Oil-foam).4. Clean the combustion chamber and grind thevalve seats.50 hour service1. Carry out 25 hour service.5. Check the engine’s valve clearance.6. Replace the air filter’s pre-filter (Oil-foam).2. Clean/replace the air filter cartridge (paperfilter).(More frequent intervals in dusty conditions.)7. 300 hour service at authorised service workshop.3. Check/adjust the mowing height setting.At least once a season4. Check/adjust the parking brake.1. Clean the engine’s cooling air intake (25 hours).5. Inspect the flame guard/spark arrester.(optional equipment)2. Replace the air filter’s pre-filter (Oil-foam) (300hours).100 hour service3. Replace the air filter’s paper insert (200 hours).1. Carry out 25 hour service.4. Change the engine oil (100 hours).2. Carry out 50 hour service.5. Change the engine’s oil filter (200 hours).3. Change the engine oil.6. Adjust the mowing height setting (50 hours).4. Check whether the engine’s oil filter needschanging (every 200 hours).7. Adjust the parking brake (50 hours).5. Clean/replace the spark plug.8. Inspect the flame guard/spark arrester, optionalequipment (50 hours).6. Replace the fuel filter in the fuel line.9. Clean/replace the spark plug (100 hours).7. Clean the pulse-air filter.10. Replace the fuel filter in the fuel line (100hours).8. Clean the cooling fins on the engine and transmission.9. Check whether the oil and filter need changingin the transmission (every 500 hours).10. Check whether the air filter’s paper insert needscleaning or changing (every 200 hours).11. Clean the pulse-air filter (100 hours).12. Clean the cooling fins (100 hours).13. Check the engine’s valve clearance (300hours).14. Change the oil in the transmission (500 hours).15. Change the filter in the transmission, ProFlex21 (500 hours).16. 300 hours service is carried out by anauthorised service workshop.Svenska –www.mymowerparts.com7

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Delivery and dealer serviceMaintenance scheduleThe following is a list of the maintenance which should be conducted on the machine. Most of the points thatare not covered by this workshop manual are covered by the operator’s manual.Maintenance interval inPage Daily main- Weekly3) At leasthourstenanceonce amain2550100 300before after tenance yearMaintenanceCheck for fuel and oil leakageCheck the parking brakeCheck the engine oil levelCheck the fuel pump air filterCheck the seat safety switchCheck the lift lever safety switchCheck the safety switch, pedal systemCheck/clean the engine cooling air intakeCheck the cutting unit: blades are secure condition of blades (sharpness,shape, etc.) blade synchronisation (90 betweenBioClip)Check steering wires (for play, etc.)Check fasteners (screws, nuts, etc.)Start engine and blades, listen for noiseClean underside of cutting unitClean transmission air intakeCheck battery acid levelCheck transmission oil levelCheck condition of V-belts, pulleys, etc.Check for damageCheck tyre pressures (60 kPa)Check for damage to wire guide atarticulated jointClean thoroughly around engineClean thoroughly around transmissionClean all belts, pulleys, etc.Lubricate the differential lock wire (Rider 21)Lubricate belt tensioner (nipple)Lubricate triangle link (nipple)Lubricate seat suspensionLubricate all wiresLubricate safety lock on cutting unitLubricate inner stud on cutting unitLubricate slot for cutting unit tool frameLubricate bearing surfaces on cutting unitClean inside frame tunnelLubricate pedal mechanism inside frametunnelLubricate the gear control29126161614757 57 5526111313 - - 8 – Svenskawww.mymowerparts.com

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Delivery and dealer serviceMaintenancePage Daily main- Weekly3) At least Maintenance interval intenanceonce a hoursmainbefore after tenance year2550100 300 Lubricate the parking brake wireLubricate throttle controlLubricate choke controlLubricate steering chain inside frametunnelCheck steering wires inside frametunnel26Clean engine cooling air intakeClean the air filter’s pre-filter (Oil-foam)Change engine oil1)26Clean the air filter’s cartridge 2) (paper filter) Check/adjust cutting height setting48Check/adjust parking brake29Inspect flame guard/spark arrestor(optional equipment)Change the engine’s oil filter(every 200 hours).Clean/replace spark plugsReplace fuel filter in pipeClean pulse-air filter58Clean the cooling fins4)Check engine valve clearance4)Check whether oil change or filterchange4-5) are necessary for gearbox(every 500 hrs)45Replace the air filter’s pre-filter (Oil-foam)2)2)Replace the air filter (paper filter)(every 200 hours)4)Carry out 300 hour service- 1)First change after 8 hours. When driving with a heavy load or when the ambient temperature is high, replace every 50 hours. 2)Cleanand replace the filter more often in dusty conditions. 3) For daily use of the machine lubrication should be conducted twice a week.4)Conducted by authorised service workshop. 5) ProFlex 21 only. Covered by this workshop manual. Not covered by this workshop manual. Described in the Operating Instructions.WARNING!No service procedures must be conducted on the engine or cutting unit unless: The engine is switched off. The parking brake is applied. The ignition key is removed. The cutting unit is disengaged. The ignition cables are removedfrom the plugs.Svenska –www.mymowerparts.com9

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Delivery and dealer serviceDelivery measuresTo our dealerPackaging and unpackingWell-performed delivery service is the first step to afunctioning aftermarket. A functioning aftermarket isin everybody’s interest:On delivery from the factory the Rider is normallypacked in special packaging. This consists of awooden bottom board with a top part consisting ofheavy-duty cardboard held together by plastic film. The customer is satisfied with their Rider. He/sheknows where to go to get help if problems occur.WARNING!Handle the transport boxcarefully. Keep the goods as levelas possible. Use long forks whenlifting from the short side. You have a regular customer, who recommendsyou and your company to other potentialcustomers. In this way we build our trademark together, andtake joint responsibility for our products andcustomers.Make sure the paper work is in good order.Fill in the warranty and delivery documents etc. andmake sure that the customer gets the rightOperating Instructions for their machine.Keep a customer register so that in future you cansee which machines customers have, including allthe serial numbers. This register will benefit youwhen ordering spare parts and for future marketing.In conjunction with the delivery you should alsogive the customer the information required toensure the safe handling and care of their machine.Pay special attention to informing the customerabout:The bottom board is provided with pallet feet andthe goods can be handled with a normal fork-lifttruck from the long side. To keep the goods as levelas possible, two men should help the truck driver.Lift the machine and drive the truck carefully.Undo the plastic film and lift off the cardboardsections. The Rider is placed on the bottom board,braked and secured with wooden blocks.Check that there is no transport damage afterremoving the packaging. Report any damage to thetransport company in accordance with the standardroutines.The packaging should not be returned. Safety instructions. Controls. Emphasise that one does not push inthe reversing lock on Rider 11 when engagingthe neutral position (start lock function). Checking of oil levels. Replenishing of oil, andwhich type of oil is required. First oil change after the running-in period. The need for, and advantages of, following theservice schedule and regularly handing in theirRider for service.Lifting from the short side requires long pallet forks,see diagram. Which fuel should be used. Mowing tips to get good results. Applications forBioClip. Which accessories are available for the type ofRider in question. Warranty regulations. Your company, and who the customer can turn toif problems occur.Parts enclosed in packagingThe following parts are enclosed in the transport box:Number1112611224PartSteering wheel with steering column tubeSocket head cap screw steering columntubeLock nut steering column tubeSupport rollers (BioClip)Battery plugsOperating InstructionsOwner’s Manual, KawasakiArmrests (ProFlex 21)Wheel weights (ProFlex 21)Wheels (certain markets)10 – Svenskawww.mymowerparts.com

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Delivery and dealer serviceBatteryWARNING!The battery acid is highly corrosive. Userubber gloves and protective glasses. Avoidbreathing in the acid fumes.Measures for contact with acidExternal:Rinse thoroughly with water.Internal:Drink large quantities of water ormilk. Contact a doctor as soon aspossible.Eyes:Rinse thoroughly with water.Contact a doctor as soon asap.The battery gives off explosive gas. Sparks,naked flames and cigarettes must absolutelynot be in the near vicinity of the battery.The battery is delivered dry-charged from thefactory. The cells are fitted with sealing film. Thebattery plugs are packed in a plastic bag. Fill the battery cells slowly with battery acid tothe max. level mark on the battery container. Wait 20 minutes and top up with battery acid ifnecessary. Charge the battery with 12 V max. 6 A for 4hours. Check the electrolyte level and top up ifnecessary with distilled water to the top levelmarks on the battery container.Put the battery in position.Connect the battery with the screws and nuts fittedon the battery. Brace the screws when fitting toavoid exposing the terminals to strain. Black cable is connected to -. Red cable is connected to .Make sure the cables do not rub against thematerial.Fit the cover over the battery and tighten the strap.ArmrestsIn those cases where armrests are delivered withthe machine the dealer is obliged to fit them.(ProFlex 21).Svenska –www.mymowerparts.com11

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Delivery and dealer serviceSteering wheel Fit the steering wheel with the steering columntube on the steering shaft. Screw in the socket head cap screw so that itgoes in the slot on the steering shaft. Work onthe steering wheel and tighten the socket headcap screw so that it bottoms in the slot. Fit the lock nut on the socket head cap screw.Tow plateThe tow plate is fitted the “wrong way round” at thefactory for transport reasons. Fit the tow plate onthe rear bumper as shown in the diagram.Check the oil level in the engineCheck the oil level in the engine when the machineis standing level.Lift up the engine cover.Loosen the dipstick and pull it out. Wipe the dipstickand replace it.The dipstick should not be screwed down.Loosen the dipstick and pull it out again. Check theoil level.The oil level should lie between the markings on thedipstick. If the level is close to the “ADD” mark, topup with oil to the “FULL” mark on the dipstick.The oil is poured in the same hole the dipstick fitsin.Use engine oil with the viscosity shown in thediagram below, grade SC-SH.The engine takes a total of 1.4 litres of oil.ADDADDFULL12 – Svenskawww.mymowerparts.comFULL

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Delivery and dealer serviceChecking the oil level in thetransmissionRemove the transmission cover. Loosen bothscrews (one on each side) and lift off thetransmission cover.Check that there is oil in the transmission’s oil tank.Fill if necessary with engine oil SAE 10W/30 (classSF–CC).IMPORTANT INFORMATIONCheck and top up with oil after each testdrive. The oil level will drop if there are airpockets in the transmission.RIDER 850WheelsFit the wheels (certain markets). The tyre pressuresshould be 60 kPa (0.6 kp/cm 2 ) on all the wheels.To improve the driving capacity the pressure in theback tyres can be reduced to 40 kPa (0.4 kp/cm 2 ).Maximum permitted pressure is 100 kPa (1.0 kp/cm 2 ).In those cases where wheel weights are deliveredwith the machine the dealer is obliged to fit them.(ProFlex 21).IMPORTANT INFORMATIONDifferent pressures in the front tyres willcause the blades to cut the grass atdifferent heights.Checking and adjusting of the mowingdeck’s ground pressure and parallelismCarried out after checking the tyre pressures. Seerespective sections in this Workshop Manual.Svenska –www.mymowerparts.com13

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Delivery and dealer serviceTest runningFill up with petrol. The engine should be run on thelowest 87 octane unleaded petrol (no oil admixture).Environmentally adapted alkylate petrol, e.g. ofAspen brand, can be preferably used.WARNING!Petrol is highly inflammable.Observe caution and fill up withpetrol outdoors.WARNING!Never run the engine indoors, orin enclosed or poorly ventilatedareas. Engine exhaust fumescontain poisonous carbon monoxide.Start the engine.Check that the machine is in neutral and standingon level ground when the parking brake is released.Check the function of the parking brake.Check driving forwards (1) and backwards (2).Check that the starter motor does not function whenany of the hydrostatic transmission pedals areactivated.Check that the engine stops when getting up fromthe seat when any of the hydrostatic transmissionpedals are activated.Check that the starter does not function when themowing unit is in its lower position.14 – Svenskawww.mymowerparts.com12

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Delivery and dealer serviceCheck the function of the mowing deck and thatthere is no abnormal noise.The mowing height can be set in 7 differentpositions with the lever. (Rider 15, 9 differentpositions).See “Specifications” for the mowing heights on thedifferent mowing decks.Speed regulatorCheck that the engine’s maximum speed isregulated at:Rider 15Rider 18Rider 212 925-3075 rpm2 925-3075 rpm2 925-3075 rpmAdministrationFill in the sales certificate and customer registeretc.Remember to fill in the serial number on page 3and to sign the delivery service in the OperatingInstructions.Svenska –www.mymowerparts.com15

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Design and functionGeneralHusqvarna Riders is a series of ride-on mowerswith a large capacity. There are six sizes, from thesmallest Rider 11 to the largest Rider 20 ProFlex.This manual refers mainly to the smaller machines;the larger ProFlex machines are covered by aseparate manual. All Riders have articulatedsteering in order to easily cut around trees andother obstacles. Moreover, they all have frontmounted mowing decks for controlled cutting andfor best possible cutting results.Husqvarna Riders can, moreover, be equippedwith various accessories such as moss rake anddozer blade which make them flexible workingtools throughout the year.The Pro and ProFlex models are only deliveredwith hydrostatic transmission.Rider Pro 15 can be delivered with four differentmowing decks.Rider ProFlex 18 and Rider ProFlex 21 can bedelivered with three different mowing decks.Bak 97 (rear ejection)Sido 97 (side ejection)Bio 90 or Bio 103Bak 120 (rear ejection)Bio 103 or Bio 112Serial numberThe serial number can be found on the printedplate attached to the front, left-hand side under theseat. Stated on the plate, from the top are: The machines type designation. The manufacturer’s type number. The machine’s serial number.State the type designation and serial number whenordering spare parts.The engine number is punched on a plate that isriveted to the fan cover. The plate states: Model. Type. Code.Please state these when ordering spare parts.16 – Svenskawww.mymowerparts.com

For Husqvarna Parts Call 606-678-9623 or 606-561-4983Design and functionThe transmission’s serial number is stated on thebarcode decal located on the front of the housingon the left-hand drive axle: The type designation is stated above thebarcode and starts with the letter “K”. The serial number is stated above the barcodeand has the prefix “s/n”. The manufacturer’s type number is stated underthe barcode and has the prefix “p/n”.State the type designation and serial number whenordering spare parts.EngineNew Husqvarna Rider professional machines havetwo-cylinder, air-cooled engines from Kawasaki.Major engine repairs are not described in thisworkshop manual. This information can be read inKawasaki’s own manuals, which contain detailedinformation on the adjustment and repair of theen

Manufacture Kawasaki Kawasaki Kawasaki V-Twin V-Twin V-Twin Modell FH451V-AS50 FH531V-AS50 FH641V-AS50 Power 11/15 kW/hp 13,2/18 kW/hp 15,5/21 kW/hp Displacement 494 cm 3 / 30.1 cu.in. 494 cm / 30.1 cu.in 675 cm3 / 41.19 cu.in Fuel min 87 octane unleaded min 87 octane unleaded min 87 octane unleaded Tank volume 7 litres 10 litres 10 litres