Husqvarna IZ 21 - Manual

English- 5 SYMBOLS AND DECALS 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 t...

English- 7 SAFETY INSTRUCTIONS 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- 9 SAFETY INSTRUCTIONS 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 toecaps. • Always wear approved protective glasses or a ful...

English- 10 SAFETY INSTRUCTIONS • Use extra care while operating machine with grass catchers or other attachments; they can affect the stability of the machine. Do not 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,...

English- 11 SAFETY INSTRUCTIONS 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. • Use onl...

English- 12 SAFETY INSTRUCTIONS General Maintenance • Never operate machine in a closed area. • 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 ot...

English- 13 SAFETY INSTRUCTIONS • Be careful when servicing the battery. Explosive gases form in the battery. Never perform maintenance on the battery when smoking or near open flames or sparks. The battery can explode and cause serious injury/damage. • Ensure that nuts and bolts, especially the fas...

English- 14 SAFETY INSTRUCTIONS • Never make adjustments with the engine running. • The machine is tested and approved only with the equipment originally provided or recommended by the manufacturer. Only use approved repair parts for the machine. • The blades are sharp and can cause cuts and gashes....

English- 15 SAFETY INSTRUCTIONS Customer responsibilities • Read and observe the safety rules. • Follow a regular schedule in maintaining, caring for and using your mower. • Follow the instructions under "Maintenance” and "Storage” sections of this owner’s manual. • This machine has no brain...

English- 16 CONTROLS Controls This operator s manual describes the Husqvarna Zero Turn Rider. The rider is fitted with a Kawasaki four-stroke V-Twin engine developing 21 horse power. Transmission from the engine is made via two belt-driven hydrostat transaxles, which in turn drive a hydraulic motor ...

English- 17 CONTROLS 1. Motion Control Levers The machine s speed and direction are continuously variable using the two steering controls. The steering controls can be moved forward or backward about a neutral position. Furthermore, there is a neutral position, which is locked if the steering contro...

English- 19 CONTROLS 5. Blade switch In order to engage the mower deck, pull the knob out; the mower blades are disengaged when the knob is depressed. 6. Ignition Switch The ignition key is placed in the ignition switch on the driver s panel and is used to start and stop the engine. 7. Fuses The fus...

English- 20 CONTROLS 8. Seat Locking Device Under the rear part of the seat is a locking device that locks the seat into its folded position. The seat has hinges at the front edge and can be folded forward when the locking device is pushed. 9. Refueling The machine has two fuel tanks, one on each si...

English- 21 CONTROLS 10. Fuel Shut Off Valve The fuel shut off valve is located at the right rear of the seat. The valve has three positions; right tank, left tank and center is the off position. 11. Seat Adjustment Lever The seat can be adjusted lengthways. When making adjustments, the lever under ...

English- 22 CONTROLS 13. 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. In order to increase or decrease the engine speed, the control is moved downward or upward r...

English- 23 CONTROLS Cutting height pedal On some models there is a deck assist lift pedal to aid in the lifting of the deck. Pump release valves Pump release valves are located at the pumps. They are used to release the system so the machine may be moved by hand when not running. Tilt seat forward ...

English- 24 OPERATION 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. We suggest when first operating the mower,...

English- 25 OPERATION Before Starting • Read the sections "Safety Instructions" and "Controls" before starting the machine. • Perform the daily maintenance before startin"g (see Maintenance Schedule in the Maintenance" section). • Check that there is sufficient fuel in the fu...

English- 26 OPERATION 4. Disengage the mower blades by depressing the blade switch. 5. Move the steering controls outward to the locked (outer) neutral position. 6. Move the throttle to the middle position. 8011-510 Depress the control for disengaging the mower deck 8011-526 Steering controls in the...

English- 28 OPERATION 10. When the engine starts, immediately release the ignition key back to the run position. 11. Press the choke control in gradually when the engine has started. 12. Set the desired engine speed with the throttle.Allow the engine to run at a moderate speed, ”half throttle”, for ...

English- 29 OPERATION 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). If “jumper cables” are used for emergency starting, follow this procedure: To attach jumper cables • Con...

English- 30 OPERATION Running 1. Release the parking brake by moving the lever forward. 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 park brake will shut off the engine. 2. Move the steeri...

English- 31 OPERATION 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. Turning on the spot can be achieved by moving one control backward (behind the neutral ...

English- 32 OPERATION 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 2 1/2" (64 mm) during the cool season and over 3" (76 mm) du...

English- 33 OPERATION 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. 1. Disengage the mower deck by depres...

English- 34 OPERATION Moving by Hand In order for the machine to be moved with the engine turned off, the pump release valves on both hydraulic pumps must be opened 1/4-1/2 turn. 8011-507 pump release valve on the hydraulic pump WARNING! No adjustments or maintenance to be carried out unless: - the ...

English- 35 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. An annual service carried out by an authorized service workshop is re...

English- 37 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. ¥ Keep battery bolts tight. ¥ Recharge at 6-...

English- 38 MAINTENANCE 9. Connect BLACK grounding cable to negative (-) battery terminal with remaining hex bolt and hex nut. 10. Fit the terminal guard. 11. Lower seat. Ignition System The engine is equipped with an electronic ignition system. Only the spark plugs require maintenance. For recommen...

English- 39 MAINTENANCE Checking the Safety System The machine is equipped with a safety system that prevents starting or driving under the following conditions. The engine can only be started when: 1. The mower deck is disengaged. 2. The steering controls are in the outer, locked neutral position. ...

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. Checking and Adjusting the Throttle Cable Check that t...

English- 42 MAINTENANCE Replacing the Air Filter 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, distupting operation.For this reason, it is important to replace the air filter regularly ...

English- 43 MAINTENANCE Cyclon air filter maintenance If the engine seems weak or runs unevenly, the air filter may be clogged. If running with a soiled air filter, the spark plugs can obtain a coating that disrupts operation.For this reason, it is important to replace the air filter regularly (see ...

English- 44 MAINTENANCE Filter replacement 1. Remove the end cover. 2. Remove the main filter (outer filter) by pulling it out by hand. 3. Remove the inner filter by pulling it out by hand. 4. Clean inside of the filter housing. Wipe dry only. 5. Install the inner filter with the open end first. Ens...

English- 45 MAINTENANCE Replacing the Fuel Filter Replace the line-mounted fuel filter every 100 hours (once per season) or more often if it becomes clogged. Replace the filter as follows: 1. Move the hose clamps away from the filter. Use flat-nosed pliers. 2. Pull the filter loose from the hose end...

English- 46 MAINTENANCE Checking Tire Pressures All four tires should have a pressure of 15 psi / 103 kPa /1 bar. Checking the Parking Brake Visually check that no damage is found on the lever, links, or switch belonging to the parking brake. Perform a test drive and check that there is sufficent br...

English- 47 MAINTENANCE Pump belt Check belt every 100 hours for excessive wear. To replace belt. Relieve tension on the deck belt and remove deck belt from clutch. See Deck belt in Maintenance section. Loosen bolt on the clutch tie down and rotate out of the way. Using a 1/2 drive ratchet inserted ...

English- 48 MAINTENANCE 1 2 3 4 5 Blade replacement : ¥ Remove blade bolt by turning counterclockwise. ¥ Install new or re-sharpened blade with stamped "GRASS SIDE" facing towards ground/grass (down) or THIS SIDE UP facing deck and cutter housing. Some blades may not be stamped with GRASS SI...

English- 49 MAINTENANCE Adjusting the Mower Deck Leveling 1. Position the mower on a level, preferably concrete, surface. 2. Check the pressure in all four tires. See Technical Data . 3. Raise the mower on lengths of 2" x 4" placed edgewise under the cutting deck from front to rear (see diag...

English- 50 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 ...

English- 51 MAINTENANCE Cleaning and Washing Regular cleaning and washing, especially under the mower deck, will increase the machine s lifespan. 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. Use...

English- 52 LUBRICATION Lubrication Lubrication Schedule 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 disu...

English- 53 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. If a cable binds, it c...

English- 54 LUBRICATION 3. Engine Oil Changing the Engine Oil The engine oil shall be changed for the first time after 8 hours of operation. Thereafter, it should be changed every 100 hours. 1. Place the machine on a flat surface. 2. Place a container under the engine drain plug. 3. Remove the dipst...

English- 55 LUBRICATION The oil level shall lie between the markings on the dipstick. If the level is approaching the ”ADD” mark, top up the oil to the ”FULL” mark on the dipstick. Never fill above the ”FULL” mark. The oil is filled through the hole for the dipstick. Use engine oil SAE 30 or SAE 10W...

English- 56 LUBRICATION 6. Front Wheel Bearings Lubricate with a grease gun, one zerk for each set of wheel bearings, until the grease is forced out. Use only good quality molybdenum disulphide grease. Grease from well-known brand names (petrochemical companies, etc.) usually maintains a good qualit...

English- 57 LUBRICATION 9. Belt Adjuster, Mower Deck Remove the foot plate (two screws) and lubricate with a grease gun, one zerk, until grease is forced out. Use only good quality molybdenum disulphide grease. Grease from well-known brand names (petrochemical companies, etc.) usually maintains a go...

English- 59 LUBRICATION 14. Changing the 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. 4. Mount t...

English- 60 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. • The parking brake is not activated. • The battery is d...

English- 62 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 dis...

English- 63 WIRING DIAGRAMS Wiring diagram 1. Battery 2. Accessory outlet 3. Key switch 4. To engine pigtail 5. Hour meter 6. Seat switch 7. Run relay 8. Blade switch 9. Brake relay 10. Electric clutch 11. Brake switch 12. Start relay 13. Starter solenoid 14. Left motion control lever 15. Right moti...

English- 64 TECHNICAL DATA Engine iZ21C Manufacturer Kawasaki Type FH721V Power 21 hp / 15.4 kW* Lubrication Pressure with oil fi lter Oil capacity excl fi lter 1.6 qt / 1.5 liters Oil capacity incl fi lter 1.8 qt / 1.7 litres Engine oil(See viscosity diagram) SAE 10W30, 10W40 SAE 30, SAE 40, API SF...

English- 65 TECHNICAL DATA iZ21C 48" Tunnel Deck 48" Combi Deck Frame Cutting Height 1½" - 5" / 3.8 cm - 12.7 cm 1¼" - 4¾" / 3.2 cm - 12.1 cm Uncut Circle 0" / 0 cm 0" / 0 cm Blades 3 3 Blade Length 16¼" / 413 mm 16¾" / 425 mm Blade Tip Speed 16,780 fpm / 85.2...

English- 66 TECHNICAL DATA Accessories Tunnel Decks - BioClip attachment (Mulch kit) Front baffl e kit U.S. Standard Hardware Grade SAE Grade 5 SAE Grade 8 Flangelock Screw w/Flangelock Nut ft./lbs ft./lbs Nm ft./lbs Nm ft./lbs Nm ¼ 9 12 13 18 5 /16 18 24 28 38 24 33 3 /8 31 42 46 62 40 54 7 /16 50 ...

English- 67 Conformity Certifi cates For Model Listed Below: Model 968999306/iZ21C Zero Turn Rider (Serial Numbers 054600001 and after) with Deck Model 968999342 TRD48 (Serial Numbers: 054600001 - 10199999) Deck Model 968999347 CD48 USA requirements Labels are placed on the engine and/or in the engi...

English- 68 SERVICE JOURNAL Service Journal Action Delivery Service 1. Charge the battery. 2. Mount the rear wheels. 3. Adjust the tire pressure of all wheels to 15 PSI (1 bar). 4. Mount the steering controls in the normal position. 5. Connect the seat fold-up stop. 6. Connect the cable to the safet...

English- 69 SERVICE JOURNAL Action 20. Inform the customer about: The need and advantages of following the service schedule. The need and advantages of leaving the machine for service every 300 hours. The effects of service and maintaining a service journal on the machine s resale value. Application...

English- 71 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 50-Hour Service 1. Perform the 25-hour service. 2. Lubricate the front wheel bearings. 3. Lubricate the steering control shafts. 4. Lubricate the mower deck struts. 5. Lubricate the cutting height adjuster. 6. Check/adjust the parking...

English- 72 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 100-Hour Service 1. Perform the 25-hour service. 2. Perform the 50-hour service. 3. Change engine oil. 4. Check whether the hydraulic oil needs changing (every 300 hours). 5. Check whether the engine oil filter needs changing (every 2...

English- 73 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. 5. Change ...

English- 74 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 (Oil-foam) (300 hours). 3. Replace the air filter s main cartridge (200 hours). 4. Change the engine oil (100 hours)....

115 36 97-26 2010W19 ´®z+Ueh¶63¨ Original instructions