Husqvarna Rider 20 ProFlex Operator's Manual
Husqvarna Rider 20 ProFlex Operator's Manual

Husqvarna Rider 20 ProFlex Operator's Manual

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Rider 20 ProFlex
Operator´s manual
Please read these instructions carefully and make sure
you understand them before using the machine.
101 90 83-26

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Table of Contents
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Summary of Contents for Husqvarna Rider 20 ProFlex

  • Page 1 Rider 20 ProFlex Operator´s manual Please read these instructions carefully and make sure you understand them before using the machine. 101 90 83-26...
  • Page 2 Svenska –...
  • Page 3: Table Of Contents

    CONTENTS Operator’s Manual for Rider 20 ProFlex Introduction ............2 Adjusting the brakes ........24 Explanation of symbols ........4 Checking the battery acid level ...... 24 Safety instructions ..........5 Checking the safety system ......24 Replacement of air filter ......... 25 General use .............
  • Page 4: Introduction

    INSTRUCTION Dear customer Thank you 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 SAFETY INSTRUCTIONS Good service Husqvarna 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.
  • Page 6: Explanation Of Symbols

    EXPLANATION OF SYMBOLS These symbols are on the machine and in the instructions. Study them carefully so that you know what they mean. Read the instructions. Reverse Neutral Fast Slow Engine off Battery Choke Fuel Oil pressure Cutting height Backwards Forwards Ignition Use hearing protection...
  • Page 7: Safety Instructions

    SAFETY INSTRUCTIONS These instructions are for your safety. Read them carefully. This symbol implies that important safety rules are applicable. This is for your safety and the operating reliability of the machine. General use: • Make yourself familiar with the controls and how to stop quickly.
  • Page 8: Driving On Slopes

    SAFETY INSTRUCTIONS • Watch out for traffic when working close to a road, or crossing one. • Be careful when rounding a fixed object so that the blades do not hit it. Never drive intentionally over a foreign object. • The machine is heavy and can cause very severe crush injuries.
  • Page 9: Children

    SAFETY INSTRUCTIONS • Do not cut close to edges, ditches or banks. The machine can suddenly tip over if a wheel goes over the edge of a drop or a ditch, or if a bank gives way. • Do not cut wet grass. It is slippery and the tyres can loose their grip so that the machine slides.
  • Page 10 SAFETY INSTRUCTIONS • Check the fuel level each time before using the machine, and leave space for the fuel to expand since the heat from the engine and hot sun can cause the fuel to run over. • Avoid overfilling. If petrol has been spilt on the machine wipe it up and wait until it has evapor- ated before starting the engine.
  • Page 11: Presentation

    The power transmission from the engine is handled by a hydrostatic gearbox, which enables variable The Rider 20 ProFlex is equipped with a 20 speed by using the pedals. One pedal for driving horsepower Vanguard V-Twin engine from Briggs &...
  • Page 12: Throttle Control

    PRESENTATION Throttle control The throttle control regulates the engine speed, and thereby also the rotation speed of the blades. To increase or reduce the engine speed the control is moved forwards or backwards. Choke lever The choke lever is used for cold starting and to give the engine a richer fuel mixture.
  • Page 13: Cutting Unit

    PRESENTATION Cutting unit Examples of the accessories for Rider: Rider 20 ProFlex can be equipped with numerous attachments. • Brush The BioClip unit finely cuts the lawn by cutting the • Snow plough grass several times before returning the clippings to •...
  • Page 14: Lever For Adjustment Of Cutting Height

    PRESENTATION Lever for adjustment of the cutting height The cutting height can be adjusted to 7 different positions with the cutting height lever. To achieve an even cutting height it is important that the tyre pressures are the same on the front wheels (60 kPa).
  • Page 15: Driving

    DRIVING Before starting • Read the sections headed “Safety instructions” and “Presentation” before starting the mower. • Carry out daily maintenance before starting (see “Maintenance schedule” in the chapter on “Maintenance”). • Adjust the seat to the required position. Starting the engine 1.
  • Page 16: Driving The Machine

    DRIVING 5. When the engine starts release the ignition key immediately back to neutral position. IMPORTANT INFORMATION Do not run the starter for more than about 5 seconds at a time. If the engine does not start, wait about 10 seconds before trying again.
  • Page 17: Differential Lock

    DRIVING 3. Select the required cutting height (1–7) with the cutting height lever. 4. Push in the lock button on the lift lever and lower down the cutting unit. Differential lock WARNING! Don’t rest your thumbs inside the steering wheel. The wheel could jerk suddenly when the differential lock is engaged.
  • Page 18: Cutting Tips

    DRIVING Cutting tips WARNING! Clear the lawn from stones and other objects which can be thrown out by the blades. • Localise and mark stones and other fixed objects to avoid collision. • Start with a high cutting height and reduce down until the required mowing results are obtained.
  • Page 19: Stopping The Engine

    DRIVING Stopping 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. 1. Lift up the cutting unit by pulling the lever back to the locked position. 2.
  • Page 20: Maintenance

    MAINTENANCE Maintenance schedule The following is a list of the maintenance which should be conducted on the machine. For the items which are not described in these instructions go to an authorised service workshop. Maintenance interval in Maintenance Page Daily main- At least Weekly hours...
  • Page 21 MAINTENANCE Maintenance interval in Maintenance Page Daily main- At least Weekly hours tenance once a main- before after year tenance Lubricate throttle control Lubricate choke control Smörj styrkedja i ramtunnel. Lubricate steering chain inside frame tunnel Clean engine cooling air intake Clean pre-filter or oil-foam element, if fitted Clean air filter cartridge...
  • Page 22: Dismantling Of The Machine Hoods

    MAINTENANCE Dismantling of the machine hoods Engine hood 1. Tip up the seat. 2. Turn the main catch on top of the engine hood 1/4 turn anti-clockwise. 3. Lift up the engine hood. If necessary the engine hood can be removed by taking out the hinge pins.
  • Page 23: Checking The Engine's Oil Level

    MAINTENANCE Left-hand fender Disengage the wire from the differential lock pedal. Dismantle the screws (1 and 2), and lift off the fender. Check the engine’s oil level Check the oil level in the engine when the machine is horizontal. Open the engine hood. Take out the dip stick, wipe off the oil, and insert again.
  • Page 24: Checking The Fuel Pump's Air Filter

    MAINTENANCE Checking of the fuel pump’s air filter Check regularly that the fuel pump’s air filter is free from dirt. The filter can when necessary be cleaned with a brush. Check the transmission’s air intake Check that the transmission’s air intake in not blocked.
  • Page 25: Checking And Adjusting The Steering Wires

    MAINTENANCE Checking and adjustment of the steering wires The steering is controlled by means of wires. These can in time become slack, which implies that the adjustment of the steering becomes altered. Check and adjust the steering as follows: 1. Dismantle the frame-plate by releasing the screws (two on each side).
  • Page 26: Adjusting The Brakes

    MAINTENANCE Adjusting the brakes The parking brake (on the right) is adjusted as follows: 1. Remove the transmission cover. Unscrew the two screws (one on each side) and lift off the transmission cover. 2. Unhook the spring (A) from the screw (B). 3.
  • Page 27: Replacement Of Air Filter

    MAINTENANCE Replacing the air filter If the engine seems to lack power or does not run smoothly this may be because the air filter is clogged. It is therefore important to replace the air filter at regular intervals (refer to maintenance schedule for correct service interval).
  • Page 28: The Parts Of The Cutting Unit

    MAINTENANCE The parts of the cutting unit A cutting unit with a rear ejector has been used in the instructions below, however, the same procedure applies to other units if not otherwise stated. The parts mentioned are: A. Catch E. Height setting arm B.
  • Page 29 MAINTENANCE 4. Slide in the unit so that the inner pins (B) bottom in the attachment frame’s groove. 5. Fit the height setting arm’s rear bracket when fitting the attachment. Off-load the arm by pulling the front of the frame upwards. 6.
  • Page 30: Setting The Parallelism

    MAINTENANCE Setting the parallelism and height for the cutting unit with rear ejector and BioClip unit The base unit is adjusted at the factory. When one of the attachments is fitted, the parallelism and height need to be adjusted. Starting point: 1.
  • Page 31: Checking And Adjusting The Ground Pressure

    MAINTENANCE 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 pres- sing too hard against it. The pressure is adjusted with a screw on each side of the machine.
  • Page 32: Service Position For The Cutting Unit

    MAINTENANCE Service position for the cutting unit The cutting unit can be set in a service position to provide good access for cleaning, servicing and repair. The service position means that the unit is raised and locked in the vertical position. Placing in the service position 1.
  • Page 33: Dismantling The Cutting Unit

    MAINTENANCE Dismantling the cutting unit 1. Place the Rider on a level surface. 2. Apply the brakes by pressing down the pedal and lock using the pushbutton. 3. Lift up the unit using the lifting lever. 4. Remove the nose. 5.
  • Page 34 MAINTENANCE 9. Loosen the height setting arm by moving the rear section upwards. When dismantling the cutting unit, off-load the arm by pulling the frame’s front section upwards. 10. Pull the handle and unit simultaneously. Release the handle when the unit has come out a little. 11.
  • Page 35: Dismantling The Belts

    MAINTENANCE Dismantling the belt Starting point when dismantling the belt: • No unit attached to the Rider. • The front of the belt is hung around the hook guard’s handle. The method of disengaging the front section of the belt from the front pulley is described in steps 5–8 under “Removing the cutting unit”.
  • Page 36: Assembling The Belts

    MAINTENANCE Assembling the belt 1. Position the belt from the front and let the front end of the belt hang around the hook guard’s handle. 2. Fit the belt on the intermediate pulley and against the support wheel. 3. Fit the steering plate under the support wheel and tighten the bolts using two 13 mm socket spanners.
  • Page 37: Changing The Cutting Unit's Belts

    MAINTENANCE Replacing the cutting unit’s belts Belt replacement on the BioClip unit Two transmission belts that synchronise the rotation of the blades power a BioClip unit. The belts are located under a hood on the cutting unit. 1. Loosen the parallelism arm’s front pin/bolt and fold the arm backwards.
  • Page 38 MAINTENANCE IMPORTANT INFORMATION The blades on a BioClip deck should be set at 90 degrees to each other. In all other cases the blades can collide and cause serious damage to the cutting unit. 4. Assembly: First fit the lower belt and then the upper belt.
  • Page 39: Changing The Oil

    MAINTENANCE Changing the oil The oil should be changed for the first time after 8 hours of running time. Thereafter it should be changed every 50 hours of running time. If the engine is run hard or during high temperatures the oil should be changed every 25 running hours.
  • Page 40: Replacement Of The Oil Filter

    MAINTENANCE Replacement of the oil filter 1. Open the engine hood. 2. Drain off the engine oil according to the work description “Changing of engine oil”. 3. Dismantle the oil filter. If necessary use a filter extractor. 4. Apply new, clean engine oil on the seal for the new filter.
  • Page 41: Checking And Adjustment Of Throttle Wire

    MAINTENANCE Checking and adjustment of the throttle wire Check that the engine responds to the throttle control and that the correct engine speed is achieved at full throttle. If in doubt, contact the service workshop If necessary the following adjustment can be made: 1.
  • Page 42: Adjusting The Hydrostatic Wire

    MAINTENANCE Adjusting the hydrostatic wire The hydrostatic wire (on the left) is adjusted as follows: 1. Remove the transmission cover. Unscrew the two screws (one on each side) and lift off the transmission cover. 2. Separate the lower ball joint, which is secured with a spring clip.
  • Page 43: Checking The Tyre Pressure

    MAINTENANCE Checking the tyre pressure The tyre pressure should be 60 kPa (0.6 kp/cm all round. To improve driving the pressure on the rear tyres can be reduced to 40 kPa (0.4 kp/cm The maximum tyre pressure is 100 kPa (1.0 kp/cm IMPORTANT INFORMATION Different tyre pressures on the front tyres will result in the blades cutting the grass...
  • Page 44: Trouble Shooting Schedule

    TROUBLE SHOOTING SCHEDULE Problem Procedure Engine will not start. • Fuel tank empty. • Plugs defective. • Plug connections defective. • Dirt in carburettor or fuel pipe. Starter does not pull round engine. • Battery flat. • Bad contact between cables and battery terminals. •...
  • Page 45: Storage

    STORAGE Winter storage At the end of the season the machine should To put the machine in order for storage follow these immediately be put in order for storage, also if it is instructions: going to stand idle for more than 30 days. Fuel 1.
  • Page 46: Wiring Diagram

    WIRING DIAGRAM Explanation of colour abbreviations in wiring diagram. 1. Microswitch, hydrostat RD = Red 2. Microswitch, cutting unit 3. Microswitch, seat BL = Blue 4. Ignition lock VT = White SV = Black 5. Counter GL = Yellow 6. Start relay GR = Grey 7.
  • Page 47: Technical Data

    TECHNICAL DATA Rider ProFlex Dimensions Rider 20 ProFlex Length, base machine 2 030 mm Width, base machine 900 mm Height 1 100 mm Kerb weight, base machine 334 kg Wheelbase 940 mm Track 720 mm Tyre size 18 x 7.50 x 8 Tyre pressure, front &...
  • Page 48 We, Husqvarna AB, S-561 82 Huskvarna, Sweden, tel. +46 36-146500, declare under sole responsibility that the rider mower Husqvarna Rider 20 ProFlex from 1998’s serial numbers and onwards (the year is clearly stated in plain text on the type plate with subsequent serial number), is in conformity with the following standards or other normative documents following the provisions in the COUNCIL’S DIRECTIVES:...
  • Page 49: Servicejournal

    SERVICEJOURNAL Work done Date, mileage, stamp, sign Pre-delivery service 1. Top up battery with acid and recharge for four hours. 2. Fit steering wheel, seat and any optional equipment. 3. Fit cutting unit. 4. Adjust cutting unit: Adjust lift springs (effective weight of cutting unit should be 12–15 kg, or set to maximum lift if brush is to be fitted).
  • Page 50 SERVICEJOURNAL Work done Date, mileage, stamp, sign 25 hour service 1. Change engine oil (50 hours). (25 hours if operating conditions severe). 2. Clean/replace air pre-filter or oil-foam element if fitted (25 hours). (more regularly in dusty working conditions) 3. Clean/replace air filter cartridge (25 hours, 100 hours if pre-filter fitted).
  • Page 51 SERVICEJOURNAL Work done Date, mileage, stamp, sign 50 hour service 1. Change engine oil. 2. Clean/replace air pre-filter or oil-foam element if fitted. 3. Clean/replace air filter cartridge (25 hours, 100 hours if pre-filter fitted) (more regularly in dusty working conditions) 4.
  • Page 52 SERVICEJOURNAL Work done Date, mileage, stamp, sign 100 hour service 1. Change engine oil. 2. Clean/replace air pre-filter or oil-foam element if fitted. 3. Clean/replace air filter cartridge (25 hours, 100 hours if pre-filter fitted). (more regularly in dusty working conditions) 4.
  • Page 53 SERVICEJOURNAL Work done Date, mileage, stamp, sign 300 hour service 1. Change engine oil. 2. Replace air filter (pre-filter). 3. Replace air filter (paper). 4. Check/adjust cutting height setting. 5. Check/adjust parking brake. 6. Inspect flame guard/spark arrestor (optional equipment) 7.
  • Page 54 SERVICEJOURNAL Work done Date, mileage, stamp, sign At least once a season 1. Change engine oil (50 hours). (25 hours in severe operating conditions). 2. Clean/replace air pre-filter or oil-foam element if fitted (25 hours). (more regularly in dusty working conditions) 3.
  • Page 55 SERVICEJOURNAL Date, mileage, stamp, sign Work done English –...
  • Page 56 SERVICEJOURNAL Date, mileage, stamp, sign Work done – English...
  • Page 57 SERVICEJOURNAL Date, mileage, stamp, sign Work done English –...
  • Page 58 SERVICEJOURNAL Date, mileage, stamp, sign Work done – English ´*3(@¶6*¨...
  • Page 59 Svenska –...
  • Page 60 ´*3(@¶6*¨ 2000W08...

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