HTC Z4220 manuale d’uso

English Operator's Manual Z5426 / 968999508 Z4219 / 96899951 1 Z4824 / 968999512 Z4220 / 968999655 Z4619 / 968999656 Z4824BF / 968999517 Z4220BF / 968999685 Z4219BF / 968999763 Z4619BF / 968999764 Z5426BF / 968999765 Please read the operator ’s manual carefully and make sure you understand the instructions before using the machine.[...]

©2008 HTC. All rights reserved. Beatrice, NE. Printed in U.S.A.[...]

CONTENTS INTRODUCTION ................................................................ 5 Congratulations............................................................ 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 . Each person operating the mower must be of sound mind and body and must not be under the in[...]

English -5 INTRODUCTION Congratulations Thank you for purchasing a Husqvarna ride-on mower . This machine is built for superior efciency 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. This manual [...]

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 . See the cert[...]

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. Used in this publicati[...]

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° maintenance or repair work Whole body Severing of ngers Do not open or Careful backing up, Careful going exposure to and toes remove safety watch for o[...]

English -9 SAFETY Safety Instructions 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. General Operation • Read, understand, and follo[...]

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. Do not use the machine in enclosed spaces. Never take passengers 801 1-520 ?[...]

English -1 1 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. Ask your retailer for help in choosing the right equipment. Personal Safety Equipme[...]

English -12 SAFETY Be extra cautious when driving on slopes 801 1-509 Never allow children to operate the machine 801 1-517 Keep children away from work area 801 1-518 • 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[...]

English -13 SAFETY Safe Handling of Gasoline T o avoid personal injury or property damage, use extreme care in handling gasoline. Gasoline is extremely ammable and the vapors are explosive. • Extinguish all cigarettes, cigars, pipes, and other sources of ignition. • Use only approved gasoline container . • Never remove gas cap or add fuel [...]

English -14 SAFETY Never drive the machine in an enclosed space 801 1-515 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. General Maintenance • N[...]

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 . The machine must not be driven with defective or unmounted protective plate[...]

English -16 SAFETY 801 1-515 Clean the machine regularly IMPORT ANT INFORMA TION The parking brake is not sufcient 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 . W ARNING! This mower is equipped with[...]

CONTROLS English -17 This operator ’s manual describes the Husqvarna Zero T urn Rider . The rider is tted with either a Kohler or Briggs & Stratton four-stroke overhead valve engine. T ransmission from the engine is made via two belt- driven hydraulic pumps, which in turn drive a hydraulic motor for each drive wheel. Using the left and rig[...]

CONTROLS English -18 801 1-789 Steering controls W ARNING! The machine can turn very rapidly if one steering control is moved much further forward than the other . Steering 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 neut[...]

CONTROLS English -19 Seat Adjustment Knobs The seat can be adjusted lengthways. When making adjustments, loosen the four knobs under the seat pan, after which the seat can be moved backward or forward. Retighten the knobs at the desired setting. Fuses The fuses are located in a holder at the right hand side of the battery compartment. They are a[...]

CONTROLS English -20 W ARNING! Gasoline is highly ammable. Observe caution and ll the tank outdoors (see the safety instruction). W ARNING! The engine and the exhaust system, become very hot during operation. Risk for burns if touched. Allow engine and exhaust system to cool at least two (2) minutes before refueling W ARNING! Fill to bottom o[...]

CONTROLS English -21 Blade switch T o engage the mower deck, pull the blade switch knob out. The mower blades are disengaged when the knob is pressed down fully . 801 1-750 Blade Switch Ignition Switch The ignition key is placed on the control panel and is used to start and stop the engine. 801 1-748 Ignition Switch W ARNING! Do not run the starter[...]

CONTROLS English -22 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 forward or back respectively . Avoid idling the engine for long periods, [...]

CONTROLS English -23 4 1 / 2 4 3 1 / 2 3 2 1 / 2 2 1 1 / 2 Lifting Lever for the Mower Deck The deck cutting height is achieved with the foot pedal. T o lift the deck, press the foot pedal forward. T o lower the deck, apply pressure to the top side of the foot pedal and allow the pedal to pivot while allowing the lift arm to rotate to the rear of t[...]

English -24 OPERA TION Read the “Safety Instructions” section and the 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. We suggest that this section be reviewed in its entirety prior to attempting to move the mower un[...]

English -25 OPERA TION 801 1-484 Start conditions 4 1 / 2 4 3 1 / 2 3 2 1 / 2 2 1 1 / 2 801 1-753 Raise the mower deck Starting the Engine 1.  Sit on the seat. 2.  Raise the mower deck by depressing the pedal forward to the locked position (transport position). 3.  Activate the parking brake. Before Starting • Read the sections “Safety[...]

English -26 OPERA TION 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. 7. If the engine is cold, the choke control should be pushed forward to the choke position. 801 1-668 Depress the control for disengag[...]

English -27 OPERA TION 8. Press in and turn the ignition key to the start position. 801 1-742 T urn to the start position 9.  When the engine starts, immediately release the ignition key back to the run position. IMPORT ANT INFORMA TION Do not run the starter for more than 5 seconds each time. If the engine does not start, wait about 10 seconds [...]

English -28 OPERA TION W ARNING! Lead-acid batteries generate explosive gases. Keep sparks, ame and smoking materials away from batteries. Always wear eye protection when around batteries. IMPORT ANT INFORMA TION Y our mower is equipped with a 12-volt negative grounded system. The other vehicle must also be a 12-volt negative grounded system. Do[...]

English -29 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. 2. Move the steering controls to the neutral position (N). 3.[...]

English -30 OPERA TION W ARNING! Do not drive up or down hills with slopes greater than 10 degrees. Do not drive across slopes. IMPORT ANT INFORMA TION Control levers return to neutral when released. This may cause the mower to suddenly stop. Operating on Hills Read the Safety Instructions “Driving on Slopes” in the “Safety Instructions”. ?[...]

English -31 OPERA TION W ARNING! Clear the lawn of stones and other objects that can be thrown out by the blades. W ARNING! Never drive the rider on terrain that slopes more than 10 degrees. Mow slopes up and down, never side to side. A void sudden directional changes. Mowing Tips • Observe and ag rocks and other xed objects to avoid collis[...]

English -32 OPERA TION IMPORT ANT INFORMA TION Leaving the ignition switch in any other position than “OFF” will cause the battery to be discharged and the hour meter to accumulate hours. 801 1-668 Disengaging the mower deck 4 1 / 2 4 3 1 / 2 3 2 1 / 2 2 1 1 / 2 801 1-753 Raise the mower deck Stopping the Engine Allow the engine to idle a minut[...]

English -33 OPERA TION Manual T ransport When pushing or pulling the mower , be sure to engage the IZT (Integrated Zero Turn T ransaxle) bypass linkages. The IZT bypass linkages are located on the rear of the frame. • Raise the deck into the highest cutting position. • Pull the IZT bypass linkages out and into the slots and release so that it i[...]

English -34 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 recommended to maintain your machine in the best possible condit[...]

English -35 MAINTENANCE Maintenance Before After Daily W eekly 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. Change the engine oil 1) Replace the engine oil lter Clean/replace the spark plugs Replace the fuel lter Replace the air l[...]

English -36 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. • Keep battery bolts tight. • Recharge at 6-10 amperes for 1 hour T o clean b[...]

English -37 MAINTENANCE Ignition System The engine is equipped with an electronic ignition system. Only the spark plug requires maintenance. For recommended spark plugs, see T echnical Data. 1. Remove the ignition cable boot and clean around the spark plug. 2. Remove the spark plug with a spark plug socket wrench. 3. Check the spark plug. Replace t[...]

English -38 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. Throttle Cable Check that the engine responds to throttle increases and that a good engine speed is attained at full [...]

English -39 MAINTENANCE Replacing the Air Filter If the engine seems weak or runs unevenly , the air lter may be clogged. If the machine is run with a dirty air lter , the spark plug can become fouled. It is important to replace the air lter regularly (see "Maintenance Schedule" for proper service intervals). Kohler Engine The st[...]

English -40 MAINTENANCE IMPORT ANT INFORMA TION Operating the engine with loose or damaged air cleaner components could allow unltered air into the engine causing premature wear and failure. 8009-406 Pull up on handle IMPORT ANT INFORMA TION Do not use compressed air to clean the air lter . Filter should be assembled dry and not be oiled. . B[...]

English -41 MAINTENANCE 6. Align the tabs on the cover with the slots in the housing and replace air lter cover . 8009-407 Align the tabs 8009-410 Close the cover 7. Pull the handle outwards. Secure the handle in the air lter cover and press inwards to close.[...]

English -42 MAINTENANCE Fuel Filter Replace the line-mounted fuel lter every 100 hours (once per season) or more regularly if it is clogged. T o replace the lter: 1. Move the hose clamps away from the lter using a at-nosed pliers. 2. Pull the lter loose from the hose ends. 3. Push the new lter into the hose ends. Position the l[...]

English -43 MAINTENANCE V -belts Check every 100 hours of operation. Check for severe cracking and large nicks. NOTE: The belt will show some small cracks in normal operation. The belts are not adjustable. Replace belts if they begin to slip from wear . Deck belt T o replace deck belt Remove deck belt. • Park on a level surface. Apply park bra[...]

English -44 MAINTENANCE EZT belt T o replace EZT (E-Series Zero T urn T ransaxle) belt Park the mower on a level surface. Engage the parking brake. EZT belt removal NOTE: Be careful not to damage the fan blades on the EZT´s as this can affect cooling or damage the EZT´s • Remove the deck belt (see to replace deck belt in this section of the man[...]

English -45 MAINTENANCE Checking the 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. Bent or cracked blades or blades with large nicks should be replaced. Damaged blade[...]

English -46 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. 2. Place the Blade switch in the disengaged position. 3. T urn ignition switch to “OFF” pos[...]

English -47 MAINTENANCE Front-to-back adjustment T o obtain the best cutting performance, the deck should be adjusted so the front tip of the blades are approximately 1 / 8 " (3.2 mm) to ¼" (6.5 mm) lower than the rear tip. If the front tip is higher , this will create a poor quality of cut. W ARNING! Blades are sharp. Protect your hands[...]

English -48 MAINTENANCE Gauge Wheels 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. IMPORT ANT INFORMA TION Adjust Anti-s[...]

English -49 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. Use compressed air to clean the top side of mower deck. Regula[...]

English -50 LUBRICA TION Lubrication Schedule 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. For daily use, the machine shall be lubricate[...]

English -51 LUBRICA TION Lubricating With The Schedule Caster wheels Lubricate with a grease gun. One zerk for each bearing, two strokes. Use only good quality grease. See General in Lubrication. Engine Oil Changing the Engine Oil The engine oil should be changed for the rst time after 5-8 hours of operation. Thereafter , it shall be changed eve[...]

English -52 LUBRICA TION 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 screw it back into place. T ake the dipstick out again and read the oil level. The oil level shall lie between the markings on the dipstick. If the level is approaching the “ADD[...]

English -53 TROUBLESHOOTING 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 dead. • Contamination in the carburetor or fuel line. • Th[...]

English -54 TROUBLESHOOTING GUIDE The engine seems weak. • Clogged air lter . • Defective spark plugs. • Carburetor incorrectly adjusted. 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[...]

English -55 ST ORAGE 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. Fuel stabilizers are an acceptable [...]

English -56 WIRING DIAGRAMS SOLENOID PTO PTO SWITCH SWITCH ENGINE ENGINE GROUND GROUND 14 15 8 10 5 4 2 6 1. Battery 2. Accessory outlet 3. Key switch 4. T o engine pigtail 5. Hour meter 6. Seat switch 7. Run relay 8. Blade switch 9. Brake relay 10. Electric clutch 1 1. Brake switch 12. Start relay 13. Starter solenoid 14. Left motion control lever[...]

English -57 WIRING DIAGRAMS 1. Battery 2. Accessory outlet 3. Key switch 4. T o engine pigtail 5. Hour meter 6. Seat switch 7. Run relay 8. Blade switch 9. Brake relay 10. Electric clutch 1 1. Brake switch 12. Start relay 13. Starter solenoid 14. Left motion control lever 15. Right motion control lever 16. Starter BLK = Black BLU = Blue BRN = Brown[...]

English -58 TECHNICAL DA T A Engine Manufacturer T ype Power Lubrication Oil capacity excluding lter Oil capacity including lter Engine oil (See viscosity diagram) Fuel Fuel tank capacity Spark plugs / gap Cooling Air lter Alternator Starter T ransmission T ransmission Speed and direction controls Speed forward Speed reverse Brakes Front c[...]

English -59 TECHNICAL DA T A Cutting Width Cutting Height Uncut Circle Number of Blades Blade Length Nose Rollers Sprung Seat Hinged Arm Rests Hour Meter Blade Engagement Deck Construction Productivity Productivity Overall Dimensions Weight Base Machine Length Base Machine Width Base Machine Height Overall Width, Chute Up Overall Width, Chute Down [...]

English -60 TECHNICAL DA T A Engine Manufacturer T ype Power Lubrication Oil capacity excluding lter Oil capacity including lter Engine oil (See viscosity diagram) Fuel Fuel tank capacity Spark plugs / gap Cooling Air lter Alternator Starter T ransmission T ransmission Speed and direction controls Speed forward Speed reverse Brakes Front c[...]

English -61 TECHNICAL DA T A Cutting Width Cutting Height Uncut Circle Number of Blades Blade Length Nose Rollers Sprung Seat Hinged Arm Rests Hour Meter Blade Engagement Deck Construction Productivity Productivity Overall Dimensions Weight Base Machine Length Base Machine Width Base Machine Height Overall Width, Chute Up Overall Width, Chute Down [...]

English -62 TECHNICAL DA T A Engine Manufacturer T ype Power Lubrication Oil capacity excluding lter Oil capacity including lter Engine oil (See viscosity diagram) Fuel Fuel tank capacity Spark plugs / gap Cooling Air lter Alternator Starter T ransmission T ransmission Speed and direction controls Speed forward Speed reverse Brakes Front c[...]

English -63 TECHNICAL DA T A Cutting Width Cutting Height Uncut Circle Number of Blades Blade Length Nose Rollers Sprung Seat Hinged Arm Rests Hour Meter Blade Engagement Deck Construction Productivity Productivity Overall Dimensions Weight Base Machine Length Base Machine Width Base Machine Height Overall Width, Chute Up Overall Width, Chute Down [...]

English -64 TECHNICAL DA T A Accessories Head lights BioClip attachment (Mulch clip) Collection system T orque Specications Engine crankshaft bolt 50 ft/lb (67 Nm) • Deck pulley bolts 45 ft/lb (61 Nm) • Lug nuts 75 ft/lb (100 Nm) • Blade bolt 27-35 ft/lb (35-45 Nm) • Standard ¼” fasteners 9 ft/lb (12 Nm) • Standard 5/16” fasteners[...]

English -65 CONFORMITY CERTIFICA TES USA requirements Labels are placed on the engine and/or in the engine compartment stating that the machine will fulll the requirements. This is also applicable to special requirements for any of the states, (California emission rules etc.). Do not remove any of these labels. Certicates can also be supplied[...]

SER VICE JOURNAL English -66 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. 5. Check that the right amount of oil is in the engine[...]

SER VICE JOURNAL English -67 After the First 5-8 Hours 1. Change engine oil.[...]

SER VICE JOURNAL English -68 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. 6. Check/clean the engine’s cooling air intake. 7. Clean the air cleaner ?[...]

SER VICE JOURNAL English -69 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. 4. Lubricate according to lubrication chart. 5. Check/adjust the parking brake.[...]

SER VICE JOURNAL English -70 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. 7. Check V -belts. 8. Check tighten caster w[...]

SER VICE JOURNAL English -71 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. Check/adjust the mower deck. 6. Clean the combustion cha[...]

SER VICE JOURNAL English -72 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. 4. Change the engine oil (50 hours). 5. Replace the engine oil lter (100 hours). 6. Che[...]

SER VICE JOURNAL English -73 Action Date, mtr reading, stamp, sign[...]

SER VICE JOURNAL English -74 Action Date, mtr reading, stamp, sign[...]

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P/N 539 130936R1 12/13/07[...]