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Husqvarna PR 17 Operator's Manual

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Oper ator ' s manual
PR 17 PR 17 AWD
PF 21 PF 21 AWD
Please r ead the operator's manual carefully and make sure you
E E E E n n n n g g g g l l l l i i i i s s s s h h h h
understand the instructions before using the machine.



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  Summary of Contents for Husqvarna PR 17

  • Page 1 Oper ator ′ s manual PR 17 PR 17 AWD PF 21 PF 21 AWD Please r ead the operator’s manual carefully and make sure you E E E E n n n n g g g g l l l l i i i i s s s s h h h h...
  • Page 2: Table Of Contents

    Checking the tyre pressure .......... Towing ................Checking the engine’s cooling air intake ...... Use ................Replacing the rear drive belt PR 17 and PF 21 .... Good service ..............Replacing the hydraulic pump's drive belt PR 17 AWD Serial Number ..............
  • Page 3: Ser Vice Journal

    Ser vice journal Pre-deliver y service 1 Top up battery with acid and charge for four hours. 2 Fit the venting hose on the battery. 3 Fit steering wheel, seat and any optional equipment. 4 Adjust cutting unit: Adjust lift springs (effective weight of cutting unit should be 12-15kg / 26.5-33 lb). Adjust cutting unit so that rear edge is about 2-4 mm / 1/8”...
  • Page 4: Intr Oduction

    Dear Customer , Thank y ou for choosing a Husqvarna Rider. Husqvarna Riders are built to a unique design with a front-mounted cutting unit and a patented rear-wheel steering system. Riders are designed for maximum efficiency even in small or confined areas. The closely grouped controls and pedal-operated hydrostatic transmission also contribute to the performance of this machine.
  • Page 5: Good Service

    INTR ODUCTION Good ser vice Husqv arna products are sold all over the world and only through servicing dealers. This is to ensure that you, the customer, get the best support and service. For example, before this machine was delivered it was inspected and adjusted by your dealer. See the certificate in the Service Journal in this manual.
  • Page 6: Key To Symbols

    KEY T O SYMBOLS Symbols Ignition These symbols are on the machine and in the instr uctions. WARNING! Careless or incorrect use can Hydrostatic free wheel result in serious or fatal injury to the operator or others. Please read the oper ator’s manual P arking brake carefully and make sure you understand the instructions before using the machine.
  • Page 7 KEY TO SYMBOLS Brake Starting instructions Switch off the engine and take off the ignition cable before repairs or maintenance Check the engine’s oil level Check transmission oil level Lift up the cutting unit Apply the parking brake. If the engine is cold, use the choke Release the parking brake before driving –...
  • Page 8: Safety Instructions

    SAFETY INSTRUCTIONS Safety instructions • Look out for the ejector and do not direct it towards anyone. These instructions are for your safety. Read them carefully. • Stop the engine and prevent it from starting before you clean the cutting unit. Insure your Rider •...
  • Page 9: Driving On Slopes

    SAFETY INSTRUCTIONS This is what you do • Never allow children or other persons not trained in the use of the machine to use or service it. Local laws may • Remove obstacles such as stones, branches, etc. regulate the age of the user. •...
  • Page 10: Children

    SAFETY INSTRUCTIONS • Follow the manufacturer’s recommendations regarding • Petrol and petrol fumes are poisonous and extremely wheel weights or counterbalance weights to increase flammable. Be especially careful when handling petrol, as machine stability. carelessness can result in personal injury or fire. •...
  • Page 11: Transport

    SAFETY INSTRUCTIONS Transport • Make sure all nuts and bolts are tightened correctly and that the equipment is in good condition. • Do not modify safety equipment. Check regularly to be IMPORTANT INFORMATION sure it works properly. The machine must not be driven if protective plates, protective covers, safety switches or The parking brake is not sufficient to lock the machine other protective devices are not fitted or are defective.
  • Page 12: What Is What

    14 Lock button for parking brake 5 Ignition lock 15 Seat adjustment. 6 Choke control 16 Lever to disengage the driving front axle, PR 17 AWD and PF 21 AWD 7 Lever for hydraulic lift of attachments 17 Fuel cap...
  • Page 13: Presentation

    The machines are equipped with power steering and bushes. Otherwise there is a risk you may hydraulic lifts. PR 17 AWD and PF 21 AWD also have all lose control. wheel drive. The power transmission from the engine is handled by a...
  • Page 14: Cutting Unit

    Lowering the Unit (Mowing Position) If the cutting unit is secured in the transport position using the PR 17 and PR 17 AWD can be equipped with three different mechanical lifting lever, move the mechanical lifting lever to cutting units. CombiTurf 94, CombiTurf 103 and CombiTurf the cutting position.
  • Page 15: Cutting Height Adjustment Lever

    PRESENTATION Mowing Position The seat springing can be adjusted by moving the rubber stops in their mountings on the underside of the seat. Place If the lock button is pressed in and the lever is moved forwards both stops in the front, middle or rear. the unit will be lowered and the blades will automatically start to rotate (mowing position).
  • Page 16: Lights And Power Outlet

    Clutch control PR 17 AWD and PF 21 AWD PR 17 AWD and PF 21 AWD have one control for the front axle and one control for the rear axle. IMPORTANT! Always drive the machine with both clutch controls pressed in.
  • Page 17: Driving

    The best lawns are achieved if the grass is cut often. Mowing becomes more uniform and the grass cuttings 1 Make sure that the clutch control is depressed. PR 17 become more evenly distributed over the surface. The AWD and PF 21 AWD have one control for the front axle total time consumption is not greater since it is possible to and one control for the rear axle.
  • Page 18: Starting The Engine With A Weak Battery

    Driving 4 If the engine is cold move the choke lever backwards to its WARNING! Never run the engine indoors, in end position. enclosed or poorly ventilated areas. The exhaust fumes contain toxic carbon monoxide. Starting the engine with a weak battery 5 Turn the ignition key to the start position.
  • Page 19: Driving The Rider

    Driving Driving the Rider 4 Select the required cutting height (1-7) with the cutting height lever. 1 Release the parking brake by first pressing down the parking brake pedal and then releasing it. It is important that the air pressure in both front wheels is equal, 60 kPa / 8.5 PSI, to produce an even cutting height.
  • Page 20: Stop The Engine

    Driving Stop the engine Preferably allow the engine to idle for a minute to obtain normal working temperature before stopping it if it has been working hard. Avoid idling the engine for long periods, as there is a risk of carbon build-up on the spark plugs. 1 Lift the cutting unit with the hydraulic lifting lever.
  • Page 22: Maintenance

    Maintenance Maintenance schedule The following is a list of the maintenance which should be conducted on the machine. For those points not described in this manual, visit an authorised service workshop. Daily At least Weekly Maintenance Maintenance maintenance once a maintenance interval in hours before starting...
  • Page 23 Conducted by authorised service workshop. Conducted by authorised service workshop. Only PR 17 AWD, PF 21 AWD first change after 50 hours X = Described in this operator's manual O = Not described in this operator's manual...
  • Page 24: Cleaning

    Maintenance Cleaning Front cover Release the clip on the front hood and lift off the fender. Clean the machine directly after use. It is much easier to wash off grass cuttings before they dry. The front cover is secured to the unit frame with two hooks. Oily dirt can be removed using a cold degreasing agent.
  • Page 25: Checking And Adjusting The Steering Wires

    Maintenance Checking and adjusting the steering Adjusting the parking brake PR 17, wires PF 21 The steering is controlled by means of wires. Check that the parking brake is adjusted correctly by placing the machine on a slope with the front and rear axles These can in time become slack, which implies that the disengaged.
  • Page 26: Checking And Adjusting Of Throttle Wire

    Maintenance Checking and adjusting the choke 3 Remove the left-hand wing cover. wire If the engine is producing black smoke or is difficult to start then the choke wire (upper wire) may be incorrectly adjusted. If doubts arise, contact your service representative. If it is necessary to adjust the choke, proceed as follows: 4 Loosen the locking nuts.
  • Page 27: Checking The Fuel Pump's Air Filter

    Maintenance Checking the fuel pump’s air filter IMPORTANT INFORMATION Check regularly that the fuel pump’s air filter is free from dirt. Never run the engine without the air filter fitted. The filter can when necessary be cleaned with a brush. The filters must not be oiled.
  • Page 28: Check The Level Of The Battery Acid

    Maintenance Check the level of the battery acid 7 Replace the ignition cable shoe. Check that the level of the battery acid lies between the IMPORTANT INFORMATION markings. Top up the cells with distilled water only. Inadequately tightened spark plugs can cause overheating and damage the engine.
  • Page 29: Check The Safety System

    Maintenance Check the safety system Start motor The machine is equipped with a safety system that prevents starting or driving under the following conditions. The engine should only be possible to start when the cutting Ignition system unit is in its raised position and the parking brake is applied. The driver does not need to be seated in the driver’s seat.
  • Page 30: Replacing The Light Bulbs

    Maintenance Replacing the light bulbs Main fuse For information about the bulb type, see Technical Data. The main fuse is placed in a detachable holder under the battery case’s cover, in front of the battery. Type: Flat pin, 15 1 Unscrew the two screws holding the cover on the power servo housing.
  • Page 31: Checking The Engine's Cooling Air Intake

    Maintenance Checking the engine’s cooling air Replacing the rear drive belt PR 17 intake and PF 21 Clean the air intake grille in the engine cover behind the Removal driver’s seat. 1 Lift up the cutting unit 2 Remove the transmission cover.
  • Page 32: Replacing The Hydraulic Pump's Drive Belt Pr 17 Awd And Pf 21 Awd

    2 Pull the belt under the engine belt pulleys and fit it on the engine belt pulley. Replacing the hydraulic pump's drive belt PR 17 AWD and PF 21 AWD 1 Remove the transmission cover. 2 Unhook the spring on the belt tensioner 3 Fit the belt on the hydrostatic transmission pulley.
  • Page 33: Replacing The Centre Belt

    Replacing the centre belt Remove the hose holder in the middle (PR 17 and PF 21) and the rear belt guide for the centre belt (all machine types). 8 Pull out the belt through the opening under the pivot bearing and past the belt tensioner's disc.
  • Page 34: Replacing The Front Belt

    Maintenance Replacing the front belt Fitting the cutting head The entire belt is removed according to the following when a snow blade is to be attached to the machine. WARNING! Wear protective glasses when fitting the cutting unit. The spring which 1 Put the unit in the service position, see Service position tensions up the belt may break and cause for the cutting unit.
  • Page 35: Removing The Cutting Unit

    Maintenance 7 Fit the drive belt around the drive wheels of the cutting 4 Pull out the cutting unit. unit. Hook up the height adjustment strut. 8 Secure the collet spring. WARNING! Observe caution to avoid trapping your hand. Checking and adjustment of the cutting unit’s ground pressure To achieve the best cutting results the cutting unit should follow the underlying surface without pressing too hard...
  • Page 36: Checking The Cutting Unit's Parallelism

    Maintenance Checking the cutting unit’s Replacing the cutting unit belts parallelism WARNING! Wear gloves to protect your Check the cutting unit’s parallelism as follows: hands when working with the blades. 1 Check the air pressure in the tyres 60 kPa/0.6 bar/8.5 PSI. There is a risk of crush injuries when 2 Place the machine on a flat surface.
  • Page 37: Service Position For The Cutting Unit

    Maintenance 6 Remove the screws on the cutting cover. Lift the unit WARNING! Wear protective glasses when frame and remove the cutting unit cover. dismantling the cutting unit. The spring which tensions up the belt may break and cause personal injury. 4 Disengage the spring for the drive belt tensioning wheel.
  • Page 38: Restoring From Service Position

    Maintenance Restoring from service position Removing the BioClip plug 1 Grip the front edge of the unit and loosen the lock, fold To change a Combi unit from BioClip function to cutting unit down and slide in the unit. with rear ejection, remove the BioClip plug located under the unit with three screws.
  • Page 39: Lubrication

    Lubrication General Pedal system in the frame tunnel Lubricate the pedal system in the frame tunnel. Remove the ignition key to prevent unintentional movements during lubrication. • Remove the cover of the frame tunnel by loosening the screws (two on the steering servo housing). When lubricating with an oilcan, it ought to be filled with engine oil.
  • Page 40: Driver Seat

    Lubrication Driver seat Checking the engine’s oil level. Fold up the seat. Check the oil level in the engine when the Rider stands horizontal with the engine switched off. Lubricate the lengthways adjustment runners with oilcan. Open the engine cover. Loosen the dipstick, pull it up and wipe it off.
  • Page 41: Replacing The Engine Oil

    Lubrication Replacing the engine oil Remove the rubber casing and lubricate the hydrostatic transmission cable with an oilcan. Open the engine cover. The engine oil should be changed the first time after 8 hours running time. It should then be changed after every 100 hours of running time.
  • Page 42: Hydraulic Oil Filter Change

    • Lubricate the cable with an oilcan, press the brake pedal a few times and lubricate again. PR 17, PF 21. Fill if necessary with engine oil SAE 10W/40 (class SF–CC). • Refit the spring (A) and the transmission cover.
  • Page 43: Troubleshooting Schedule

    Troubleshooting schedule Problem Procedure Engine does not start There is no fuel in the fuel tank Spark plug defective Faulty spark plug connections or interchanged cables Dirt in the carburettor or fuel line Starter motor does not turn over the engine Starter motor does not turn over Battery flat the engine...
  • Page 44: Electrical And Hydraulic Systems

    ELECTRICAL AND HYDRAULIC SYSTEMS PR 17 and PR 17 AWD 6 Start relay 7 Engine connectors Numbers correspond to: 8 Main fuse 15 A 1 Microswitch, hydrostatic transmission 9 Fuse 7.5 A 2 Microswitch, cutting unit 10 Switch for the power outlet...
  • Page 45 ELECTRICAL AND HYDRAULIC SYSTEMS PF 21 and PF 21 AWD 6 Start relay 7 Engine connectors Numbers correspond to: 8 Main fuse 15 A 1 Microswitch, hydrostatic transmission 9 Fuse 7.5 A 2 Microswitch, cutting unit 10 Switch for the power outlet 3 Microswitch, seat 11 Power outlet 4 Ignition lock...
  • Page 46: Wiring Diagram

    ELECTRICAL AND HYDRAULIC SYSTEMS Wiring diagram 46 – English...
  • Page 47: Hydraulic System

    ELECTRICAL AND HYDRAULIC SYSTEMS Hydraulic System PF 21 AWD PR 17, PR 17 AWD, PF 21 Keep the hydraulic system clean. Bear in mind that: • Thoroughly clean before the top-up cap is opened or any connector loosened. • Use clean containers when topping up the oil.
  • Page 48: Storage

    Storage Winter storage Guard At the end of the season, or if the machine is going to stand There is a cover to protect your machine during storage or idle for more than 30 days, it should immediately be made transport.
  • Page 49: Technical Data

    Technical data PR 17 PR 17 AWD Dimensions Length without cutting unit, mm/ft 2030/6,65 2030/6,65 Width without cutting unit, mm/ft 92/100 880/2,89 Height, mm/ft 1070/3,52 1070/3,52 Operating weight with cutting deck, kg/lb 268-274/591-604 302-308/666-679 Wheel base, mm/ft 855/2,8 855/2,8 Track width, front, mm/ft...
  • Page 50 Technical data PF 21 PF 21 AWD Dimensions Length without cutting unit, mm/ft 2080/6,82 2080/6,82 Width without cutting unit, mm/ft 900/2,89 900/2,89 Height, mm/ft 1160/3,80 1160/3,80 Unladen weight excluding cutting unit, kg/lb 309/682 309/682 Wheel base, mm/ft 1000/3,29 1000/3,29 Track width, front, mm/ft 713 / 2,3 713 / 2,3 Track width, rear, mm/ft...
  • Page 51: Ec-Declar Ation Of Conformity

    EC-declaration of conformity (Applies to Europe only) Husqvarna AB, SE-561 82 Huskvarna, Sweden, tel.: +46-36-146500, hereby declares that Husqvarna PR 17, PR 17 AWD, PF 21 and PF 21 AWD from 2008’s serial numbers and onwards (the year is clearly stated in plain text on the rating plate with subsequent serial number), complies with the requirements of the COUNCIL’S DIRECTIVE:...
  • Page 52 1151089-26 ´®z+S(|¶6@¨ ´®z+S(|¶6@¨ 2008-01-30...

This manual is also suitable for:

Pf 21 awdPr 17 awdPf 21