Manuel d'utilisation / d'entretien du produit EZ4621 du fabricant Husqvarna
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English Operator’s Manual EZ4621 / 968999657, EZ5226 / 968999658 EZ4220/ 968999692, EZ4822 / 968999696 EZ6124 / 968999699 Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.
BLACK BEAR ™ ZTR ® OPERATOR’S MANUAL Contents Contents ............................................................. 1 Introduction ........................................................ 3 Congratulations .......................................
WARNING! 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 efficiency 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° main.
English - 9 SAFETY Safety Instructions These instructions are for your safety. Read them carefully. IMPORTANT: THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING OBJECTS. FAILURE TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR DEATH.
English - 10 SAFETY stop engine, and remove keys before dismounting. • Disengage blades when not mowing. Shut off engine and wait for all parts to come to a complete stop before cleaning the machine, removing the grass catcher, or unclogging the discharge guard.
English - 11 SAFETY Personal Safety Equipment • Make sure that you have first aid equipment close at hand when using the machine. • Never use the machine when barefoot. • Always wear protective shoes or boots, preferably with steel toe caps. • Always wear approved protective glasses • or a full visor when assembling or driving.
English - 12 SAFETY use on steep slopes. • Do not try to stabilize the machine by putting your foot on the ground. • Do not mow near drop-offs, ditches, or embankments. The machine could suddenly roll over if a wheel is over the edge or if the edge caves in.
English - 13 SAFETY Maintenance Safe Handling of Gasoline To avoid personal injury or property damage, use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. • Extinguish all cigarettes, cigars, pipes, and other sources of ignition.
English - 14 SAFETY • Keep all nuts and bolts tight to be sure the equipment is in safe working condition. • Never tamper with safety devices. Check their proper operation regularly. • Keep machine free of grass, leaves, or other debris buildup.
English - 15 SAFETY regularly to be sure it works properly. The machine must not be driven with defective or unmounted protective plates, protective cowlings, safety switches, or other protective devices. • Do not change the settings of governors and avoid running the engine with overly high engine speeds.
English - 16 SAFETY desired. • Reduce the risk of fire by removing grass, leaves, and other debris that may have accumulated on the machine. Allow the machine to cool before putting it in storage. • Regularly clean deck and underside of deck, avoid spraying engine and electrical components with water.
English - 17 SAFETY WARNING! 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 Controls This operator’s manual describes the Husqvarna Zero Turn Rider. The rider is fitted with either a Briggs & Stratton or Kohler four-stroke overhead valve engine developing 20 - 26 horse power.
CONTROLS English - 19 Steering controls 8011-789 WARNING! The machine can turn very rapidly if one steering control is moved much further forward than the other. 1. 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 Tracking If the mower is not tracking straight, check the air pressure in both rear tires. Recommended air pressure is 15 psi. (1 bar) Tracking must be checked on a flat and level concrete or blacktop surface. If the unit still does not track straight contact your Husqvarna workshop for adjustments.
CONTROLS English - 21 8011-761 5. 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 6. 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 8011-759 Ignition switch 8011-756 IMPORTANT INFORMATION Do not run the starter for more than five seconds each time. If the engine does not start, wait about 10 seconds before retrying. Choke control 8011-758 8. Hour Meter The hour meter displays the total operating time.
CONTROLS English - 24 Throttle control 8011-757 Blade Switch 8011-760 11. 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 1. Foot pedal 2. Lift arm 3. Height plate Cut height pedal 1 3 IMPORTANT INFORMATION 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). IMPORTANT INFORMATION Always use the high position to transport.
English - 26 Operation Read “Safety Instructions” section and following pages, if you are unfamiliar with the machine. Training Zero turn mowers are far more maneuverable than typical riding mowers due to their unique steering capabilities.
English - 27 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 sufficient fuel in the fuel tank.
English - 28 5. Move the steering controls outward to the locked (outer) neutral position. 6. Move the throttle to the middle position. 7. If the engine is cold, the choke control should be pulled out to its extents.
English - 29 8. Open the fuel shut off valve. 9 . Press in and turn the ignition key to the start position. Return to run position Turn to the start position 8050-780 CZ15 Open the fuel shut off valve 10. When the engine starts, immediately release the ignition key back to the run position.
English - 30 Set the engine speed WARNING! 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 To start an engine with a weak battery If your battery is too weak to start the engine, it should be recharged. (See “Battery” in the Maintenance Section.
English - 32 Running 1. Release the parking brake by moving the lever downward. Your mower is equipped with an operator presence system. When the engine is running, any attempt by the operator to leave the seat without first setting the parking brake will shut off the engine.
English - 33 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 Mowing Tips • Observe and flag rocks and other fixed 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 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. 1. Disengage the mower deck by depressing the blade switch.
Moving by Hand 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.
MAINTENANCE Maintenance Maintenance Schedule 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 Page Before After Daily maintenance Weekly mainte- nance 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 Your 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 Technical Data. 1. Remove the ignition cable boot and clean around the spark plug.
English - 41 MAINTENANCE Checking the Engine’s 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 Replacing the Air Filter - Briggs & Stratton Engine Standard air filter If the engine seems weak or runs unevenly, the air filter may be clogged. If run with a dirty air filter, the spark plugs can become fouled disrupting operation.
English - 43 MAINTENANCE Replacing the 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. Two different capacity air cleaner systems are available.
English - 44 MAINTENANCE Replacing Heavy Duty Air Filter If the engine seems weak or runs unevenly and the dust load indicator has turned red the air filter may be clogged. If run with a clogged air filter, disruption of operation can occur. Cleaning/replacing the air filter is carried out as follows: Only do so when the dust indicator is red.
English - 45 MAINTENANCE Replacing the Fuel Filter Replace the line-mounted fuel filter every 100 hours (once per season) or more regularly if it is clogged. Replace the filter as follows: 1. Move the hose clamps away from the filter. Use flat-nosed pliers.
English - 46 MAINTENANCE Checking the 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 sufficient braking action. To 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(Integraded Zeroturn Transaxle) support and up onto the deck.
English - 48 MAINTENANCE IZT belt To replace IZT (Integraded Zeroturn Transaxle) belt Park the mower on a level surface. Engage the park brake. IZT belt removal NOTE: Be careful not to damage the fan blades on the IZT as this can affect cooling or damage the IZT • Remove the deck belt (see to replace deck belt in this section of the manual).
English - 49 MAINTENANCE Checking the Blades In order to attain the best mowing effect, it is important that the blades are well sharpened and not damaged. WARNING! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling.
English - 50 MAINTENANCE Blade replacement WARNING! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling. • Remove blade bolt by turning counterclockwise. IMPORTANT INFORMATION To ensure proper assembly, center hole in blade must align with star on cutter housing.
English - 51 MAINTENANCE Adjusting the Mower Deck WARNING! Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling. WARNING! Before performing any service or adjustment checklist: 1. Engage the parking brake.
English - 52 MAINTENANCE To adjust 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 and Washing 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.
English - 54 MAINTENANCE Parking brake To adjust 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 LUBRICATION Lubrication Lubrication Schedule 8011-672-2 General Remove the ignition key to prevent unintentional movements during lubrication. When lubricating with an oil can, it must be filled with engine oil. When lubricating with grease, unless otherwise stated, use a high grade molybdenum disulfide grease.
English - 56 LUBRICATION Lubricating the Cables If possible, grease both ends of the cables and move the controls to end stop positions when lubricating. Refit the rubber covers on the cables after lubrication. Cables with sheaths will bind if they are not lubricated regularly.
English - 57 LUBRICATION 4. Deck outer spindle Lubricate using a grease gun, one zerk, each side 2-3 strokes. Use only good quality bearing grease. 5. Engine Oil Changing the Engine Oil The engine oil should be changed for the first time after 5-8 hours of operation.
English - 58 LUBRICATION Checking the Oil Level 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. Take the dipstick out again and read the oil level.
English - 59 LUBRICATION 6. Changing the 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 filter. If necessary, use a filter remover. 3. Wipe new, clean engine oil onto the seal for the new filter.
English - 60 LUBRICATION 7. Drain old oil filters of all free flowing 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 filling with oil.
English - 61 LUBRICATION Purging Procedures Due to the effects air has on efficiency 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 TROUBLE SHOOTING GUIDE Trouble Shooting Guide Problem Cause The engine will not start. • The blade switch is engaged. • The steering controls are not locked in the neutral position. • The driver is not sitting in the driver’s seat.
English - 63 TROUBLE SHOOTING GUIDE The engine seems weak. • Clogged air filter. • Defective spark plugs. • Carburetor incorrectly adjusted. • Air trapped in hydraulic system. The engine overheats. • Clogged air intake or cooling fins. • Engine overloaded.
English - 64 TROUBLE SHOOTING GUIDE Uneven mowing results. • Different air pressure in the tires on the left and right sides. • Bent blades. • The suspending for the mower deck is uneven. • The chain fixture has come loose. • The blades are blunt.
English - 65 STORAGE Storage 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 - 66 WIRING DIAGRAM SOLENOID RIGHT MOTION CONTROL LEVER LEFT MOTION CONTROL LEVER SEAT SW. ELECTRIC CLUTCH ENGINE GROUND PTO SW. 7.5 AMP HOURMETER TO ENGINE PIGTAIL ACCESSORY OUTLET BRAKE SW. NOTE: 1. SEAT UNOCCUPIED 2. BRAKE SWITCH IN OFF POSI- TION 3.
English - 67 Engine Manufacturer Briggs & Stratton Briggs & Stratton Type Els Els Power 24hp 26 hp Lubrication Pressure with oil filter Pressure with oil filter Oil capacity excl filter 1.
English - 67 Engine Manufacturer Briggs & Stratton Briggs & Stratton Type Els Els Power 24hp 26 hp Lubrication Pressure with oil filter Pressure with oil filter Oil capacity excl filter 1.
English - 68 Equipment Cutting width 46 " 52" Cutting height 1.5" - 4.5" 1.5" - 4.5" Uncut circle 0 0 Number of blades 3 2 Blade length 22.
English - 69 Engine Manufacturer Kohler Kohler Type Courage Twin Courage Twin Power 20 hp 22 hp Lubrication Pressure with oil filter Pressure with oil filter Engine oil, Synthetic SAE 5W30, 10W30 SAE .
English - 70 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 - 71 Engine Manufacturer Kohler Type Courage Power 24 hp Lubrication Pressure with oil filter Oil capacity excl filter Oil capacity incl filter Engine oil, Synthetic SAE 5W30, 10W30 Engine oil.
English - 72 Equipment Cutting width 52" Cutting height 1.5" - 4.5" Uncut circle 0 Number of blades 3 Blade length 18 " Nose rollers Yes Michigan Seat Standard Hinged armrests Yes .
English - 74 CONFORMITY CERTIFICATES Conformity Certificates USA requirements Labels are placed on the engine and/or in the engine compartment stating that the machine will fulfill the requirements. This is also applicable to special requirements for any of the states, (Californian emission rules etc.
English - 75 SERVICE JOURNAL Service 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 - 76 SERVICE JOURNAL After the First 5-8 Hours 1. Change engine oil..
English - 77 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 25-Hour Service 1. Check the fuel pump’s air filter. 2. Sharpen/Replace mower blades if required. 3. Check the tire pressures. 4. Check battery with cables. 5. Lubricate according to lubrication chart.
English - 78 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 50-Hour Service 1. Perform the 25-hour service. 2. Clean/replace the air cleaner’s filter cartridge (paper filter) (shorter intervals for dusty operating conditions). 3. Change engine oil.
English - 79 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 filter. 4. Clean/replace the spark plugs. 5. Replace the fuel filter. 6. Clean the cooling fins on the engine and transmission.
SERVICE 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. 4. Perform the 100-hour service.
SERVICE JOURNAL Action Date, mtr reading, stamp, sign At Least Once Each Year 1. Clean the engine’s cooling air intake (25 hours). 2. Replace the air cleaner’s pre-filter (foam) (300 hours). 3. Replace the air filter’s paper cartridge. 4. Change the engine oil (50 hours).
SERVICE JOURNAL Action Date, mtr reading, stamp, sign.
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Part No. 539 131329Rir (07/02/07).
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Husqvarna EZ4621 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Husqvarna EZ4621 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Husqvarna EZ4621, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Husqvarna EZ4621 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Husqvarna EZ4621, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Husqvarna EZ4621.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Husqvarna EZ4621. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Husqvarna EZ4621 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
