Husqvarna 155 - Manual

4 – English INTRODUCTION 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 efficiencyeven in small or confined areas. Collected controls an...

English – 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. Before the machine is delivered it undergoes inspection andis adjusted by your dealer. When you n...

6 – English These symbols are on the machine and in the operator’s manual. Study them carefully so that you know what they mean. Read the operator’s manual Neutral Fast Slow Engine off Choke Fuel Oil level Cutting height Backwards Forwards Ignition Hydrostatic free wheel Use eye and hearing protecti...

English – 7 EXPLANATION OF SYMBOLS 8009-442 Placards

8 – English 8010-047 6003-002 8010-052 Safety instructions These instructions are for your safety. Read them carefully. General use • Read all the instructions in this operator’smanual and on the machine before you start it.Ensure you understand them and then observethem. • Learn how to use the mach...

English – 9 6003-006 8011-292 • Take care when rounding a fixed object, so thatthe blades do not hit it. Never run the machineover foreign objects. • Only use the machine in daylight or in otherwell-lit conditions. Keep the machine at a safedistance from holes or other irregularities in theground. P...

10 – English 8010-054 6003-004 Be especially careful when driving on slopes. Mow upwards and downwards on slopes, not sideways. Driving on slopes Driving on slopes is one of the operations wherethe risk of the driver losing control of the machine orof it overturning is the greatest; this can result ...

English – 11 8010-057 8010-058 Children • Serious accidents may occur if you fail to be onyour guard for children in the vicinity of themachine. Children are often attracted to themachine and mowing. Never assume thatchildren will remain where you last saw them. • Keep children away from the area to...

12 – English WARNING! The engine and the exhaustsystem become very hot during operation. Risk of burn injuries if touched. WARNING!The battery contains lead and lead pollutants, chemicals that are considered to cause cancer,birth defects or other repro- ductive impairment. Wash your hands after touc...

English – 13 8010-060 8010-061 SAFETY INSTRUCTIONS • Never use the machine indoors or in spaceslacking proper ventilation. Exhaust fumescontain carbon monoxide, an odourless,poisonous and highly dangerous gas. • Stop and inspect the equipment if you run overor into anything. If necessary, make repai...

14 – English Presentation Congratulations on your choice of a top qualityproduct which you will enjoy for many years. These instructions describe the Rider 155. Thisrider mower is equipped with a 15.5 horsepowerKohler engine. PRESENTATION Location of the controls 1. Ignition lock 2. Throttle/Choke l...

English – 15 PRESENTATION Throttle and Choke lever The engine speed is adjusted with the throttlecontrol, and thereby also the rotation speed of theblades. The control is also used to activate the chokefunction. When the choke is used the enginereceives a richer mixture of fuel and air, whichsimplif...

16 – English PRESENTATION Cutting unit The Rider 155 can be fitted with four differentcutting units. BioClip - 900 mm/36" Combi - 1120 mm/44" Combi - 1030 mm/41" See ”Maintenance \ Checking the Blades” foridentification of the cutting unit. Lifting of the cutting unit (transport position...

English – 17 PRESENTATION Fuelling The engine should be run on 85 octane (or higher)unleaded petrol/gasoline (no added oil).Environmentally adapted alkylate fuel is alsorecommended. Do not use petrol that contains methanol. Do not fill the tank completely, leave an expansionarea of at least 2.5 cm (...

18 – English Before starting • Read the safety instructions and information onthe location and function of the controls beforestarting (see pages 5-14). • Conduct daily maintenance before starting (seemaintenance schedule on page 20). DRIVING Cold engine: 3. Push the throttle control to position 3 (...

20 – English DRIVING Driving the machine 1. Release the parking brake by pressing down the parking brake pedeal and then releasing it. 3. Select the required cutting height (1-9) with the cutting height lever. To obtain a uniform cutting height it is importantthat the tyre pressures are equal on bot...

English – 21 Mowing pattern DRIVING 4. Push in the lock button on the lift lever and lower down the cutting unit. WARNING!Clear the lawn from stones andother object which can be thrownout by the blades. Cutting tips • Localise and mark stones and other fixedobjects to avoid collision. • Start with a...

22 – English DRIVING Stopping the engine Preferably allow the engine to idle for a minute toobtain normal working temperature before stoppingit if it has been working hard. 1. Lift up the cutting unit by pulling the lever back to the end position. STOP START MAX 15 WARNING!Never drive the machine on...

English – 23 50 100 MAINTENANCE 25 WARNING! No service procedures must be conducted on the engine or cutting unit unless: • The engine is switched off. • The ignition key is removed. • The ignition cable is removed from the plug. • The parking brake is applied. • The cutting unit is disengaged. Main...

24 – English Dismantling of the machine hoods Engine hood The engine is accessible for servicing when theengine hood is lifted up. Tilt the seat forward, release the rubber strap underthe seat, and tilt the hood backwards. MAINTENANCE Left-hand fender Release the screws in the fender (2) and lift of...

English – 25 Checking and adjustment of thesteering wires The steering is controlled by means of wires. These can in time become slack, which implies thatthe adjustment of the steering becomes altered. Check and adjust the steering as follows: 1. Dismantle the frame-plate by releasing the screws (tw...

26 – English MAINTENANCE Adjusting the throttle wire If the engine does not respond as it should do whenthe throttle lever is moved or if the top speed is notreached, the throttle wire may need adjusting. 1. Loosen the clamping screw (by the arrow), and slide the throttle to the choke position. 2. P...

English – 27 Replacing the air filter If the engine seems to lack power or goesirregularly the reason may be that the air filter isclogged. It is therefore important to replace the air filter atregular intervals (see ”Maintenance schedule” forcorrect service interval). 1. Fold open the engine cover....

28 – English MAINTENANCE WARNING!Procedures on contact with acid External: Rinse well with plenty of water. Internal: Drink large quantities of water ormilk. Contact a doctor as soon aspossible. Eyes: Rinse well with plenty of water.Contact a doctor as soon as possible. Batteries emit explosive gas....

English – 29 MAINTENANCE Ignition system The engine is equipped with an electronic ignition system. Only the spark plug requires maintenance. For recommended spark plug, see chapter ”Technical data”. IMPORTANT INFORMATIONFitting the wrong spark plug type can damage the engine. 1. Remove the ignition...

30 – English MAINTENANCE Checking the safety system The Rider is equipped with a safety system thatprevents starting or driving under the followingconditions: The engine should only be possible to start whenthe cutting unit is in its raised position and thehydrostat pedals are in the neutral positio...

English – 31 MAINTENANCE Check the engine’s cooling air intake Clean the air intake grille in the engine coverbehind the driver’s seat. Fold open the engine cover. Check that the cooling intake is free from leaves,grass and dirt. Check the air duct, located on the inside of theengine cover, ensure i...

32 – English MAINTENANCE 1 2 3 Fitting the cutting unit 1. Place the Rider on a flat surface and apply the parking brake. Check that the lever for setting thecutting height is in the lowest position. Make sure the support wheels are fitted to thecutting unit (1). 2. Grasp the handle at the front (Bi...

English – 33 MAINTENANCE Checking and adjustment of the cuttingunit’s ground pressure To achieve the best cutting results the cutting unitshould follow the underlying surface without pres-sing too hard against it. The pressure is adjusted with a screw on each sideof the machine. 1. Check the air pre...

34 – English MAINTENANCE WARNING!Wear protective glasses whendismantling the cutting unit. Thespring which tensions up the beltcan go off and cause personalinjury. Adjusting the parallelism of the cuttingunit 1. Remove the front hood and the right-hand fender, as described on page 21. 2. Undo the nu...

English – 35 MAINTENANCE IMPORTANT INFORMATION The blades on a BioClip unit should beset at 90 degrees to each other. In allother cases the blades can collide andcause serious damage to the cutting unit. Replacing the cutting unit belts Belt replacement on BioClip 90 The BioClip 90 is driven by a to...

36 – English MAINTENANCE Service position for the cutting unit The cutting head can be placed in the serviceposition to provide easy access for cleaning, repairsand servicing. In service position, the cutting unit israised and locked in the vertical position. Placing in service position 1. Position ...

38 – English MAINTENANCE Restoring from service position To leave the service position, reverse theprocedures set out in “Placing in the serviceposition”. Make sure that the cutting unit’s ”lug”enters the loop correctly on the underside of themachine, see diagram. 2 1 7. Lift off the drive belt (1)....

English – 39 MAINTENANCE Checking the blades To achieve the best mowing results it is importantthat the blades are undamaged and well-sharpened. Check that the blades’ attachment screws are tight. IMPORTANT INFORMATION Replacing or sharpening the bladesshould be conducted by an authorisedservice wor...

40 – English MAINTENANCE Replacing the break-pin (BioClip 90) The blades are fitted with a break-pin to protect theBioClip unit and its drive when colliding withobstacles. A domed, spring friction washer is fittedto each blade bolt. The washer must always bereplaced with a new washer if the blade bo...

English – 41 LUBRICATION Changing the oil The oil should be changed for the first time after 5hours of running time. Thereafter it should bechanged every 50 hours of running time. With heavy loads or high temperatures replace theoil after every 25 hours. WARNING!Engine oil can be very hot if it isdr...

42 – English LUBRICATION Lubricating the belt adjuster The belt adjuster should be lubricated regularlyusing good quality molybdenum disulphidegrease*.1 nipple from the right-hand side under the engine’slower belt pulley, until grease is forced out. With daily use lubrication should be conductedtwic...

English – 43 Problem Procedure Engine will not start. • Fuel tank empty. • Spark Plug defective. • Spark Plug connection defective. • Dirt in carburettor or fuel pipe. Starter does not pull round engine. • Battery flat. • Bad contact between cable and battery terminal. • Lift lever for cutting unit ...

44 – English Winter storage At the end of the season the machine shouldimmediately be put in order for storage, also if it isgoing to stand idle for more than 30 days. Fuelwhich is left to stand for long periods (30 days ormore) can leave tacky deposits which can blockthe carburettor and interfere w...

English – 45 Dimensions Rider 155 Length without cutting unit 2020 mm/6.61 ft Width without cutting unit 880 mm/2.89 ft Height 1060 mm/3.52 ft Service weight 247-260 kg/543-572 lb including unit Wheel base 855 mm/2.8 ft Track Front 715 mm/2.34 ft, rear 625 mm/2.05 ft Tyre size 16 x 6.50 x 8 Tyre pre...

English – 47 SERVICEJOURNAL Work done Pre-delivery service 1. Top up battery with acid and recharge for four hours. 2. Fit steering wheel, seat and any optional equipment. 3. Adjust cutting unit: Adjust the lifting springs (the “weight” of the cutting unit shouldbe 12-15 kg/26.5-33 lbs). Only applie...