Manuale d’uso / di manutenzione del prodotto EZ4624 del fabbricante Husqvarna
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English Operator’ s Man ual EZ4624 / 968999657, EZ5226 / 968999658 EZ4220/ 968999692, EZ4824 / 968999696 EZ5224 / 968999699, EZ4824C / 968999754 EZ5224 BF / 968999766 Please read the operator’ s manual car efully and mak e sur e you understand the instructions befor e using the machine.
©2008 HTC All Rights Reserved. Beatrice, NE. Printed in U.S.A..
CONTENTS INTRODUCTION .......................................................5 General .................................................................5 Driving and T ransport on Public Roads ................5 T owing ................................
W ARNING! Failure to follow cautious operating practices can result in serious injury to the operator or other persons. The owner must understand these instructions, and must allow only trained persons who understand these instructions to operate the mower .
English - 5 INTRODUCTION Congratulations Thank you for purchasing a Husqvarna ride-on mower . This machine is built for superior efciency to rapidly mow primarily large areas. A control panel easily accessible to the operator and a hydrostatic transmission regulated by steering controls both contribute to the machine’s performance.
English - 6 INTRODUCTION Good Service Husqvarna’s products are sold all over the world and only in specialized retail stores with complete service. This ensures that you as a customer receive only the best support and service. Before the product is delivered, the machine has, for example, been inspected and adjusted by your retailer .
English - 7 SYMBOLS AND DECALS These symbols are found on the machine and in the operator ’s manual. Study them carefully so that you know what they mean. Used in this publication to notify the reader of a risk of personal injury or death , particularly if the reader should neglect to follow instructions given in the manual.
English - 8 SYMBOLS AND DECALS Read Shut off engine and Keep a safe Use on slopes No passengers Operator ’ s remove key before distance from no greater Manual performing any the machine than 10° ma.
English - 9 SAFETY These instructions are for your safety . Read them carefully . IMPORT ANT : THIS CUTTING MACHINE IS CAP ABLE OF AMPUT A TING HANDS AND FEET AND THROWING OBJECTS. F AILURE T O OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESUL T IN SERIOUS INJURY OR DEA TH.
English - 10 SAFETY W ARNING! Engine exhaust and certain vehicle components contain or emit chemicals considered to cause cancer , birth defects, or other reproductive system damage. The engine exhaust contains carbon monoxide, which is a odorless, colorless, poisonous gas.
English - 11 SAFETY W ARNING! When using the machine, approved personal protective equipment (shown in illustrations) shall be used. Personal protective equipment cannot eliminate the risk of injury but it will reduce the degree of injury if an accident does happen.
English - 12 SAFETY 801 1-509 Be extra cautious when driving on slopes 801 1-517 Never allow children to operate the machine 801 1-518 Keep children away from work area Do not use on steep slopes. • Do not try to stabilize the machine by putting • your foot on the ground.
English - 13 SAFETY W ARNING! The engine must not be started when the driver ’ s oor plate or any protective plate for the mower deck’ s drive belt is removed. W ARNING! The engine and the exhaust system, become very hot during operation. Risk for burns if touched.
English - 14 SAFETY W ARNING! The battery contains lead and lead compounds, chemicals that are considered to cause cancer , birth defects, and other reproductive system damage. W ash your hands after handling the battery . Use protective glasses for maintenance work.
English - 15 SAFETY • Ensure that nuts and bolts, especially the fastening bolts for the blade attachments, are properly tightened, torqued and that the equipment is in good condition. • Do not modify safety equipment. Check regularly to be sure it works properly .
English - 16 SAFETY Clean the machine regularly 801 1-644 IMPORT ANT INFORMA TION The parking brake is not sufcient to lock the machine in place during transport. Ensure that the machine is well fastened to the transport vehicle. Always reverse the machine onto the transport vehicle to avoid tipping it over .
English - 17 SAFETY W ARNING! This mower is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, bush-covered or grass-covered land unless the engine’ s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).
CONTROLS English - 18 This operator ’s manual describes the Husqvarna Zero T urn Rider . The rider is tted with either a Briggs & Stratton or Kohler four-stroke overhead valve engine developing 20 - 26 horse power .* T ransmission from the engine is made via two belt- driven hydraulic integrated zero turn transaxles (IZT s).
CONTROLS English - 19 Steering controls 801 1-789 W ARNING! The machine can turn very rapidly if one steering control is moved much further forward than the other . Parking Brake The parking brake is found on the left of the machine. Pull the lever backward to activate the brake and forward to release it.
CONTROLS English - 20 T racking If the mower is not tracking straight, check the air pressure in both rear tires. Recommended air pressure is 15 psi. (1 bar) T racking must be checked on a at and level concrete or blacktop surface. If the unit still does not track straight contact your Husqvarna workshop for adjustments.
CONTROLS English - 21 801 1-761 Refueling Read the safety instructions before refueling. The machine has one fuel tank, just behind the seat. The tank volume is 5.4 gallons (20.4 liters). Make sure the fuel cap is properly tightened and the cap gasket is not damaged.
CONTROLS English - 22 By Pass Linkage When pushing or pulling the mower , be sure to engage the IZT (Integrated Zeroturn Transaxle) bypass linkages. The IZT bypass linkages are located on the rear of the frame, below the rear engine guard. • Raise the deck into the highest cutting position.
CONTROLS English - 23 Hour meter 801 1-759 Ignition switch 801 1-756 IMPORT ANT INFORMA TION Do not run the starter for more than ve seconds each time. If the engine does not start, wait about 10 seconds before retrying. Choke control 801 1-758 1. IZT Bypass linkage Hour Meter The hour meter displays the total operating time.
CONTROLS English - 24 Throttle control 801 1-757 Blade Switch 801 1-760 Throttle Control The throttle control regulates the engine speed and thereby the rate of rotation of the blades, assuming the blade switch is pulled out, see Engaging the Mower Deck.
CONTROLS English - 25 8053-001 1. Foot pedal 2. Lift arm 3. Height plate Cut height pedal 1 3 IMPORT ANT INFORMA TION In order to obtain an even cutting height it is important that the air pressure in all four tires is the same 15 psi (1 bar). IMPORT ANT INFORMA TION Always use the high position to transport.
English - 26 OPERA TION Operation Read “Safety Instructions” section and following pages, if you are unfamiliar with the machine. T raining Zero turn mowers are far more maneuverable than typical riding mowers due to their unique steering capabilities.
English - 27 OPERA TION Before Starting • Read the sections Safety Instructions and Controls before starting the machine. • Perform the daily maintenance before starting (see Maintenance Schedule in the Maintenance section). • Check that there is sufcient fuel in the fuel tank.
English - 28 OPERA TION 5. Move the steering controls outward to the locked (outer) neutral position. 6. Move the throttle to the middle position.
English - 29 OPERA TION 8. Open the fuel shut off valve. 9. Press in and turn the ignition key to the start position. Return to run position T urn to the start position 8050-780 10. When the engine starts, immediately release the ignition key back to the run position.
English - 30 OPERA TION Set the engine speed W ARNING! Engine exhaust and certain vehicle components contain or emit chemicals considered to cause cancer , birth defects or other reproductive system damage. The engine exhaust contains carbon monoxide, which is a odorless, colorless, poisonous gas.
English - 31 OPERA TION Weak Battery If your battery is too weak to start the engine, it should be recharged. (See “Battery” in the Maintenance Section.) Jumper Cables T o attach jumper cables • Connect each end of the RED cable to the POSITIVE (+) terminal on each battery , taking care not to short against chassis.
English - 32 OPERA TION Running 1. Release the parking brake by moving the lever downward. Y our mower is equipped with an operator presence system. When the engine is running, any attempt by the operator to leave the seat without rst setting the parking brake will shut off the engine.
English - 33 OPERA TION in a straight line forward or backward respectively . In order , for example, to turn right while moving forward, move the right control towards the neutral position. The rotation of the right wheel is reduced and the machine turns to the right.
English - 34 OPERA TION Mowing Tips • Observe and ag rocks and other xed objects to avoid collisions. • Begin with a high cutting height and reduce it until the desired mowing result is attained. The average lawn should be cut to 2½” (64 mm) during the cool season and over 3” (76 mm) during the hot months.
English - 35 OPERA TION Stopping the Engine Allow the engine to idle a minute in order to attain normal operating temperature before stopping it, if it has been worked hard. Avoid idling the engine for longer periods, as there is a risk of the spark plugs fouling.
English - 36 OPERA TION Manual T ransport When pushing or pulling the mower , be sure to engage the IZT (Integrated Zeroturn Transaxle) bypass linkages. The IZT bypass linkages are located on the rear of the frame, below the rear engine guard. • Always turn off engine before engaging or disengaging the hydro release.
English - 37 MAINTENANCE The following is a list of maintenance procedures that must be performed on the machine. For those points not described in this manual, visit an authorized service workshop.
English - 38 MAINTENANCE Maintenance Before After Daily Weekly At least once each year Maintenance interval in hours 25 50 100 300 Check/adjust throttle and choke cables Check the condition of belts, belt pulleys, etc.
English - 39 MAINTENANCE Battery Y our mower is equipped with a maintenance free battery and does not need servicing. However , periodic charging of the battery with an automotive type battery charger will extend its life. Keep battery and terminals clean.
English - 40 MAINTENANCE Ignition System The engine is equipped with an electronic ignition system. Only the spark plugs require maintenance. For recommended spark plugs, see T echnical Data. 1. Remove the ignition cable boot and clean around the spark plug.
English - 41 MAINTENANCE Engine Cooling Air Intake Check that the engine’s cooling air intake is free from leaves, grass, and dirt. If the cooling air intake is clogged, engine cooling deteriorates, which can lead to engine damage. The cooling air intakes rotates when the engine is running.
English - 42 MAINTENANCE Air Filter Briggs & Stratton Engine Standard air lter If the engine seems weak or runs unevenly , the air lter may be clogged. If run with a dirty air lter , the spark plugs can become fouled disrupting operation.
English - 43 MAINTENANCE Air Filter Kohler Engine These engines are equipped with a replaceable, high density paper air cleaner element. Some engines are also equipped with an oiled, foam precleaner which surrounds the paper element. T wo different capacity air cleaner systems are available.
English - 44 MAINTENANCE Heavy Duty Air Filter If the engine seems weak or runs unevenly and the dust load indicator has turned red the air lter may be clogged. If run with a clogged air lter , disruption of operation can occur . Cleaning/replacing the air lter is carried out as follows: Only do so when the dust indicator is red.
English - 45 MAINTENANCE Fuel Filter Replace the line-mounted fuel lter every 100 hours (once per season) or more regularly if it is clogged. Replace the lter as follows: 1. Move the hose clamps away from the lter . Use at-nosed pliers. 2.
English - 46 MAINTENANCE Parking Brake Visually check that no damage is found on the lever , links, or switch belonging to the parking brake. Perform a standstill test and check that there is sufcient braking action. T o adjust the parking brake, contact the Husqvarna service workshop.
English - 47 MAINTENANCE Deck belt installation NOTE: For ease in installing the deck belt, refer to the routing decal on the front edge of the deck. • Wrap the deck belt around the electric clutch that is located on the engine shaft. • Push the rest of the belt through the IZT(Integrated Zeroturn T ransaxle) support and up onto the deck.
English - 48 MAINTENANCE IZT Belt T o replace IZT (Integraded Zeroturn T ransaxle) belt Park the mower on a level surface. Engage the park brake. IZT belt removal NOTE: Be careful not to damage the fa.
English - 49 MAINTENANCE Cutting Blades In order to attain the best mowing effect, it is important that the blades are well sharpened and not damaged. W ARNING! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling.
English - 50 MAINTENANCE Blade replacement W ARNING! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling. • Remove blade bolt by turning counterclockwise. IMPORT ANT INFORMA TION T o ensure proper assembly , center hole in blade must align with star on cutter housing.
English - 51 MAINTENANCE Adjusting the Mower Deck W ARNING! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling. W ARNING! Before performing any service or adjustment checklist: 1. Engage the parking brake.
English - 52 MAINTENANCE Anti-scalp rollers Anti-scalp rollers are properly adjusted when they are just slightly off of the ground when the deck is at the desired cutting height in the operating position. Anti- scalp rollers then keep the deck in the proper position to help prevent scalping in most terrain conditions.
English - 53 MAINTENANCE Cleaning Regular cleaning and washing, especially under the mower deck, will increase the machine’s life-span. Make it a habit to clean the machine directly after use (after it is cooled), before the dirt sticks. Do not spray water on the top of the mower deck.
English - 54 MAINTENANCE Parking Brake Adjusting the parking brake Jack up unit and support properly with jack stands. Allow clearance to work at rear transaxles. Before making any adjustments: Set park brake. Measure the distance between the rod swivel pin and the brake arm washer .
English - 55 LUBRICA TION Lubrication Schedule 801 1-672-2 General Remove the ignition key to prevent unintentional movements during lubrication. When lubricating with an oil can, it must be lled with engine oil. When lubricating with grease, unless otherwise stated, use a high grade molybdenum disulphide grease.
English - 56 LUBRICA TION Lubricating the Cables If possible, grease both ends of the cables and move the controls to end stop positions when lubricating. Ret the rubber covers on the cables after lubrication. Cables with sheaths will bind if they are not lubricated regularly .
English - 57 LUBRICA TION Deck Outer Spindle Lubricate using a grease gun, one zerk, each side 2-3 strokes. Use only good quality bearing grease. Engine Oil Changing the Engine Oil The engine oil should be changed for the rst time after 5-8 hours of operation.
English - 58 LUBRICA TION Oil Levels Check the oil level in the engine when the machine is standing level and the engine is stopped. Remove the dipstick, wipe it clean, and then replace it. The dipstick should be screwed into place. T ake the dipstick out again and read the oil level.
English - 59 LUBRICA TION Engine Oil Filter 1. Drain the engine oil in accordance with the work description under the heading Engine Oil/Change Engine Oil. 2. Remove the oil lter . If necessary , use a lter remover . 3. Wipe new , clean engine oil onto the seal for the new lter .
English - 60 LUBRICA TION 7. Drain old oil lters of all free owing oil prior to disposal. Place used oil in appropriate containers and dispose of it in accordance with laws in your area. 8. Remove the top port plug (see illustration) from the left side and right side of the transaxles prior to lling with oil.
English - 61 LUBRICA TION Purging Procedures Due to the effects air has on efciency in hydrostatic drive applications, it is critical that it is purged from the system. These purge procedures should be implemented any time a hydrostatic system has been opened to facilitate maintenance or any additional oil has been added to the system.
English - 62 TROUBLESHOOTING GUIDE The engine seems weak. • Clogged air lter . • Fouled spark plugs. • Carburetor incorrectly adjusted. • Air trapped in hydraulic system. Problem Cause The engine will not start. • The blade switch is engaged.
English - 63 TROUBLESHOOTING GUIDE The engine overheats. • Clogged air intake or cooling ns. • Engine overloaded. • Poor ventilation around engine. • Defective engine speed regulator . • Soot in the combustion chamber . • T oo little or no oil in the engine.
English - 64 Winter Storage At the end of the mowing season, the machine should be readied for storage (or if it will not be in use for longer than 30 days). Fuel allowed to stand for long periods of time (30 days or more) can leave sticky residues that can plug the carburetor and disrupt engine function.
English - 65 B S A1 A2 L M G B S A1 A2 L M G B S A1 A2 L M G B S A1 A2 L M G B S A1 A2 L M G SOLENOID RT MOTION CONTROL LEVER L T MOTION CONTROL LEVER SEA T SW . ELECTRIC CLUTCH ENGINE GROUND PTO SW . 7.5 AMP HOURMETER TO ENGINE PIGT AIL ACCESSOR Y OUTLET BRAKE SW .
English - 66 TECHNICAL DA T A Engine Manufacturer Briggs & Stratton Briggs & Stratton T ype Els Els Power 24hp 26 hp Lubrication Pressure with oil lter Pressure with oil lter Oil capacity excl lter 1.6 qt 1.6 qt Oil capacity incl lter 1.
English - 67 TECHNICAL DA T A Equipment Cutting width 46" 52" Cutting height 1.5" - 4.5" 1.5" - 4.5" Uncut circle 0 0 Number of blades 2 3 Blade length 23" 18" .
English - 68 TECHNICAL DA T A Engine Manufacturer Kohler Kohler T ype Courage T win Courage T win Power 20 hp 22 hp Lubrication Pressure with oil lter Pressure with oil lter Oil capacity excl lter 1.6 qt. 1.6 qt. Oil capacity incl lter 1.8 qt 1.
English - 69 TECHNICAL DA T A Equipment Cutting width 42" 48" Cutting height 1.5" - 4.5" 1.5" - 4.5" Uncut circle 0 0 Number of blades 3 3 Blade length 14.
English - 70 TECHNICAL DA T A Engine Manufacturer Kohler T ype Courage Power 24 hp Lubrication Pressure with oil lter Oil capacity excl lter 1.6 qt Oil capacity incl lter 1.
English - 71 TECHNICAL DA T A Equipment Cutting width 52" Cutting height 1.5" - 4.5" Uncut circle 0 Number of blades 3 Blade length 18" Nose rollers Y es Michigan Seat Standard Hinged armrests Y es Hour meter Standard Blade engagement Electric clutch Deck construction 1 1 gauge w/10 gauge skirts Productivity Productivity 2.
English - 72 TECHNICAL DA T A Accessories BioClip attachment (Mulch kit) Collection system T orque Specications ·Engine crankshaft bolt 50 ft/lb (67 Nm) ·Deck pulley bolts 45 ft/lb (61 Nm) ·Lug .
English - 73 CONFORMITY CERTIFICA TES USA Requirements Labels are placed on the engine and/or in the engine compartment stating that the machine will fulll the requirements. This is also applicable to special requirements for any of the states, (Californian emission rules etc.
English - 74 SER VICE JOURNAL Action Date, mtr reading, stamp, sign Delivery Service 1. Charge the battery . 2. Adjust the tire pressure of all wheels to 15 PSI (1 bar). 3. Mount the steering controls in the normal position. 4. Connect the contact box to the cable for the seat’s safety switch.
English - 75 SER VICE JOURNAL After the First 5-8 Hours 1. Change engine oil..
English - 76 SER VICE JOURNAL Action Date, mtr reading, stamp, sign 25-Hour Service 1. Check the fuel pump’s air lter . 2. Sharpen/Replace mower blades if required. 3. Check the tire pressures. 4. Check battery with cables. 5. Lubricate according to lubrication chart.
English - 77 SER VICE JOURNAL Action Date, mtr reading, stamp, sign 50-Hour Service 1. Perform the 25-hour service. 2. Clean/replace the air cleaner ’s lter cartridge (paper lter) (shorter intervals for dusty operating conditions). 3. Change engine oil.
English - 78 SER VICE JOURNAL Action Date, mtr reading, stamp, sign 100-Hour Service 1. Perform the 25-hour service. 2. Perform the 50-hour service. 3. Change the engine oil lter . 4. Clean/replace the spark plugs. 5. Replace the fuel lter . 6. Clean the cooling ns on the engine and transmission.
English - 79 SER VICE JOURNAL Action Date, mtr reading, stamp, sign 300-Hour Service 1. Inspect the machine. Come to agreement with the customer as to which additional work is to be carried out. 2. Perform the 25-hour service. 3. Perform the 50-hour service.
English - 80 SER VICE JOURNAL Action Date, mtr reading, stamp, sign At Least Once Each Y ear 1. Clean the engine’s cooling air intake (25 hours). 2. Replace the air cleaner ’s pre-lter (foam) (300 hours). 3. Replace the air lter ’s paper cartridge.
English - 81 SER VICE JOURNAL Action Date, mtr reading, stamp, sign.
English - 82 SER VICE JOURNAL Action Date, mtr reading, stamp, sign.
SECTION 1: LIMITED WARRANTY Husqvarna Professional Products, Inc (“Husqvarna”) warrants the original purchaser the Husqvarna branded product to which this warranty apply (the “Product”) that t.
† Refer to Section 3 for items not covered by this warranty *All consumer product use must have been limited to the owner s residence. Warranted for noncommercial, nonprofessional, noninstitutional and nonincome producing use.
Part No. 539 131329 R03 01/18/08.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Husqvarna EZ4624 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Husqvarna EZ4624 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Husqvarna EZ4624 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Husqvarna EZ4624 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Husqvarna EZ4624, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Husqvarna EZ4624.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Husqvarna EZ4624. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Husqvarna EZ4624 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
