Husqvarna EZ4824/ 966612901 manuale d’uso

EZ4824 / 966612901 EZ4824 CA / 966659501 EZ24T / 966659601 Operator Manual Please read the operator’ s manual car efully and mak e sur e you understand the instructions befor e using the machine. Gasoline containing up to 10% ethanol (E10) is acceptable for use in this machine. The use of an y gasoline exceeding 10% ethanol (E10) will v oid the p[...]

©2011 All rights reserved. Orangeburg, SC. Printed in U.S.A. In order to implement improvements, specifications and designs can be altered without prior notification. Note that no legal demands can be placed based on the information contained in these instructions. Use only original parts for repairs. The use of other parts voids the warranty . [...]

CONTENTS INTRODUCTION ...................................................... 5 Driving and T ransport on Public Roads ............. 5 T owing ................................................................ 5 Operating ........................................................... 5 Good Service ..................................................... 6 [...]

W ARNING! Engine exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. W ARNING! Failure to follow cautious operating practices can result in serious injury to the operator or other persons. The owner must understand [...]

INTRODUCTION 5 Congratulations Thank you for purchasing a Husqvarna ride-on mower . This machine is built for superior efficiency to rapidly mow primarily large areas. A contr ol panel easily accessible to the operator and a hydrostatic transmission regulated by steering contr ols both contribute to the machine’s perfor mance. This manual is a v[...]

INTRODUCTION 6 Good Service Husqvarna’s products are sold all over the world and only in specialized retail stor es with complete service. This ensures that you as a customer r eceive 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 certificat[...]

SYMBOLS AND DECALS 7 N Reverse Neutral Fast Slow Choke Fuel W ar ning! Parking Brake CE conformity W ar ning! Rotating blades, Do not touch parts marking. Only for keep away from the European market discharge deck Battery acid is corrosive, explosive and flammable Do not stand here Use protective glasses Use protective gloves Noise emissions to th[...]

SYMBOLS AND DECALS 8 Read Shut off engine and Keep a safe Use on slopes No passengers Operator’s remove key befor e distance from no gr eater Manual perfor ming any the machine than 10° maintenance or repair work Whole body Severing of fingers Do not open or Careful backing up, Careful going exposure to and toes remove safety watch for other fo[...]

SAFETY 9 General Operation • Read, understand, and follow all instructions on the machine and in the manual before starting. • It is recommended that someone be awar e that you are mowing and can pr ovide help in case of injury or accident. • Do not put hands or feet near rotating parts or under the machine. Keep clear of the discharge openin[...]

SAFETY 10 8011-520 Ne ver tak e passengers 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. • Disen[...]

SAFETY 11 8011-670a P ersonal protective equipment 6003-004 Mow up and do wn, not side to side 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[...]

SAFETY 12 8011-519 Be e xtra cautious when driving on slopes 8011-517 Ne ver allo w children to operate the machine 8011-518 K eep children awa y from work area • Do not try to stabilize the machine by putting a foot on the ground. • Do not mow near drop-of fs, ditches, or embankments. The machine could suddenly roll over if a wheel is over the[...]

SAFETY 13 8011-516 Ne ver fill the fuel tank indoors W ARNING! The engine must not be started when the driver’s floor 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. There is risk for burns if touched. Allow engine and exhaust system to coo[...]

SAFETY 14 8011-515 Ne ver driv e the machine in an enclosed space 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 . W ARNING! Use protective glasses for maintenance work. General Maintenance • Ne[...]

SAFETY 15 Sparking can occur when working with the battery and the heavy cables of the starter circuit. This can cause battery explosion, fire or eye injury . Sparking in this circuit can not occur after the chassis cable (normally negative, black) is removed from the battery . W ARNING! A void electrical sparking and its consequences by the follo[...]

SAFETY 16 IMPORT ANT INFORMA TION The parking brake is not sufficient 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! Escaping hydraulic oil under pressure can have sufficient force to penetr[...]

CONTROLS 17 This operator’s manual describes the Husqvarna Zero T urn Rider . The rider is fitted with Briggs & Stratton four -stroke overhead valve engine. T ransmission from the engine is made via a belt- driven hydraulic pumps. Using the left and right steering controls, the flow is r egulated and thereby the direction and speed. Control[...]

CONTROLS 18 8058-022 Steering controls Steering Control Levers The machine’s speed and direction ar e continuously variable using the two steering controls. The steering controls can be moved forwar d or backward about a neutral position. Further mor e, there is a neutral position, which is locked if the steering controls ar e moved outward. When[...]

CONTROLS 19 Parking Brake 8058-020 P ar king brak e released IMPORT ANT INFORMA TION The machine must stand absolutely still when applying the parking brake. Always set the parking brake before dismounting. Release the parking brake before moving the mower . Blade Switch In order to engage the mower deck, pull the knob out; the mower blades are dis[...]

CONTROLS 20 8052-001 Choke control Ignition Switch The ignition switch is placed on the control panel and is used to start and stop the engine. Fuses Fuses are located under the seat of the machine. They are accessed by tilting the seat forwar d. They are flat pin fuses of the same type used in automobiles. There ar e two fuses with ratings and fu[...]

CONTROLS 21 Fuel T ank Read the safety instructions before r efueling. The machine has one fuel tank, just behind the seat. The tank capacity is 3.5 gallons (13.25 liters). Regularly check the gas cap gasket for damage and keep the cap properly tightened. The engine will run on a minimum of 87-octane unleaded gasoline (no oil mix). Environmentally [...]

CONTROLS 22 Fuel Shut Off V alve The fuel shut off valve is located at the left r ear of the seat. The valve is off when the handle tab is turned perpendicular to the fuel line. 8011-419 Fuel shut off valv e in the CLOSED position Cutting Height Adjuster The deck cutting height is obtained by pressing the button and moving the lever forward to the [...]

CONTROLS 23 Hour Meter The hour meter displays the total operating time. It will flash CHG OIL (Change Oil) at 50 hour intervals. The flash duration is one hour before and one hour after the interval. The CHG OIL icon will come on and shut off automatically . The hour meter cannot be manually reset. 8052-001 Hour meter T racking Knob If the mower[...]

OPERA TION 24 Read the Safety section and following pages, if you are unfamiliar with the machine. T raining Due to unique steering capabilities, zero turn mowers are far mor e maneuverable than typical riding mowers. This section should be reviewed in its entir ety prior to attempting to move the mower under its own power . When first operating t[...]

OPERA TION 25 8058-019 Set mower dec k to transpor t position 8058-020 Pull parking brake upw ards to activate . 8052-017 Depress blade s witch Before Starting 1. Read the sections Safety and Controls sections before starting the machine. 2. Perfor m the daily maintenance befor e starting (see Maintenance Schedule in the Maintenance section). 3. Ch[...]

OPERA TION 26 8052-001 Set the throttle 8052-001 Set the choke control 8061-026 Place controls in neutral position 5. Move the steering controls outwar d 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 up.[...]

OPERA TION 27 IMPORT ANT INFORMA TION Do not run the starter for more than 5 seconds each time. If the engine does not start, wait approximately 10 seconds before retrying. 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 exha[...]

OPERA TION 28 8011-642 Jumper cab le connection 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 not use your mower to start other vehicles. Weak Battery If your battery is too weak to star t the engine, it should be recharged. (See Battery[...]

OPERA TION 29 8058-019 Mower dec k lifting lev er W ARNING! Make sure that no one is near mower when engaging blade switch. Make sure the work area is free from objects that could be thrown by the rotating blades. 8058-020 P ar king brak e released 8058-024 Secure selected cutting height Running 1. Release the parking brake by pushing the button an[...]

OPERA TION 30 5. Move throttle contr ol to full throttle. 6. Engage the mower deck by pulling out the blade switch. The machine’s speed and direction ar e continuously variable using the two steering controls. When both contr ols are in the neutral position, the machine stands still. By moving both controls an equal amount forwar d or backward, t[...]

OPERA TION 31 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 r esult 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. For healthier and better looki[...]

OPERA TION 32 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. A void 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. IMPORT ANT INFORMA TION Leaving th[...]

OPERA TION 33 Moving Machine by Hand ZT -2800 Bypass Linkages When pushing or pulling the mower , engage the ZT -2800 bypass linkages. The ZT -2800 hydro release levers are located on the r ear of the frame, below the rear engine guar d. 1. Raise the deck into the highest cutting position. 2. Pull the ZT -2800 release levers up and out of the keyho[...]

MAINTENANCE 34 Maintenance Schedule The following is a list of maintenance procedur es that must be per formed 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 condition and[...]

MAINTENANCE 35 W ARNING! Before performing any service or adjustment checklist • Engage the parking brake. • Place the Blade-switch in the disengaged position. • T urn the ignition switch to OFF position and remove the key . • Make sure the blades and all moving parts have completely stopped. • Disconnect the spark plug wire from all spar[...]

MAINTENANCE 36 Battery The 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 ter minals clean. • Keep battery bolts tight. • See chart for charging times IMPORT ANT INFORMA TION Do not attemp[...]

MAINTENANCE 37 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 ar e in the outer , locked neutral position. 3. The parking brake is on. Make daily inspections to ensure that the [...]

MAINTENANCE 38 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 Removal 1. Park on a level surface. Apply parking brake. 2. Lower the deck into the lowest cutt[...]

MAINTENANCE 39 1 3 5 2 4 Pump Belt Replacing pump belt Park the mower on a level surface. Engage the parking brake. 8058-186 1. Spring loaded idler 2. Fixed idler pulley 3. Electric clutch 4. Pump belt 5. Deck belt Pump belt remov al IMPORT ANT INFORMA TION Make sure that the fan blades are not damaged when replacing the pump belt. The fan cooling [...]

MAINTENANCE 40 1 3 2 Blade replacement 1. Remove blade bolt by turning counterclockwise. 2. Install new or resharpened blade with stamped GRASS SIDE facing towards gr ound/grass (down) or THIS SIDE UP facing deck and cutter housing. 3. Install and tighten blade bolt securely . 4. T or que blade bolt to 90 ft/lbs (122 Nm). IMPORT ANT INFORMA TION Sp[...]

MAINTENANCE 41 1 2 Adjusting the Mower Deck Leveling deck Adjust the deck while the mower is on a level surface. Make sure the tires ar e inflated to the correct pressur e. See T echnical Data under T ransmission . If tires ar e under or over inflated, the deck cannot be properly adjusted. The deck should be adjusted slightly higher in the rear .[...]

MAINTENANCE 42 1 2 Anti-Scalp Rollers Anti-scalp rollers ar e properly adjusted when they are just slightly off of the gr ound when the deck is at the desired cutting height in the operating position. Anti- scalp rollers then keep the deck in the pr oper position to help prevent scalping in most terrain conditions. IMPORT ANT INFORMA TION Adjust an[...]

MAINTENANCE 43 IMPORT ANT INFORMA TION Use protective glasses when cleaning and washing. Cleaning Regular cleaning, 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 debris sticks. Do not spray water on the top of the mower deck. Use com[...]

LUBRICA TION 44 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 gr ease, unless otherwise stated, use a high grade molybdenum disulphide grease. For daily use, the machine should be lubricated twice weekly . 12/12 Every[...]

LUBRICA TION 45 Front Wheel Mount Lubricate with a grease gun, one zerk for each wheel mount, until the grease is for ced out. Use only good quality bearing grease. Grease fr om well-known brand names (petrochemical companies) usually maintains a good quality . Front Wheel Bearings Lubricate with a grease gun, one zerk for each set of wheel bearing[...]

LUBRICA TION 46 3 2 1 2 1 2 T ransaxle (T ransmission) Fluid Change This transaxle is designed with an external filter for ease of maintenance. T o ensur e constant fluid quality levels and longer life, an oil filter change interval of every 200 hours is recommended. The following procedur e is per formed with the transaxles installed in the mow[...]

TROUBLESHOOTING 47 Problem Cause Engine will not start • Blade switch is engaged. • Steering controls ar e not locked in the neutral position • Parking brake is not activated • Battery is dead • Contamination in the carburetor or fuel line. • Fuel supply is closed or the shutoff valve for the fuel tank is in the wrong position • Clogg[...]

TROUBLESHOOTING 48 Problem Cause Engine overheats • Clogged air intake or cooling fins • Engine overloaded • Poor ventilation around engine • Defective engine speed regulator • T oo little or no oil in the engine • Contamination in the carburetor or fuel line. • Fouled spark plugs Battery not charging • Poor contact of the battery [...]

49 STORAGE 49 Winter Storage The machine should be readied for storage at the end of the mowing season 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 carbur etor and disrupt engine function. Fuel stabilizers are an acceptable option as[...]

SCHEMA TICS 50[...]

TECHNICAL DA T A 51 Engine crankshaft bolt 50 ft/lb (67 Nm) Deck pulley bolts 150 ft/lb (203 Nm) Lug nuts 75 ft/lb (100 Nm) Blade bolt 90 ft/lb (122 Nm) Standard ¼" fasteners 9 ft/lb (12 Nm) Standard 5 / 16 " fasteners 18 ft/lb (25 Nm) Standard 3 / 8 " fasteners 33 ft/lb (44 Nm) Standard 7 / 16 " fasteners 52 ft/lb (70 Nm) Stan[...]

TECHNICAL DA T A 52 EZ4824 / 966612901 EZ4824CA / 966659501 EZ24T 966659601 Engine Manufacturer Briggs & Stratton Briggs & Stratton T ype Endurance Endurance Power 24 hp (1, 2 24 hp (1,2 Lubrication Pressur e with oil filter Pressur e with oil filter Fuel Min 87 octane unleaded (Max ethanol 10%, Max MTBE 15%) Min 87 octane unleaded (Max[...]

TECHNICAL DA T A 53 EZ4824 / 966612901 EZ4824CA / 966659501 EZ24T 966659601 Frame Cutting Width 48" / 122cm — Cutting Height 1½ - 4" / 3.8 - 10.2 cm — Uncut Circle 0 — Number of Blades 3 — Blade Length 16¼" / 41 cm — Nose Rollers Ye s — Sprung Seat Standard Standard Hinged Arm Rests Standard Standard Hour Meter Standa[...]

54 CONFORMITY CER TIFICA TES USA requirements Labels are placed on the engine and/or in the engine compartment stating that the machine will fulfill the requir ements. This is also applicable to special requir ements for any of the states, (Califor nia emission rules etc.). Do not remove any of these labels. Certificates can also be supplied with[...]

55 SER VICE JOURNAL Action Date, mtr reading, stamp, sign Delivery Service Charge the battery . q Adjust the tire pr essure of all wheels to 15 PSI (1 bar). q Mount the steering controls in the normal position. q Connect the contact box to the cable for the seat’s safety switch. q Check that the right amount of oil is in the engine. q Adjust the [...]

56 SER VICE JOURNAL Action Date, mtr reading, stamp, sign 25-Hour Service Check the engine air filter . q Sharpen/Replace mower blades if requir ed. q Check the tire pr essures. q Check battery cables. q Lubricate according to lubrication chart. q Check/clean the engine’s cooling air intake. q Clean the air cleaner’s pre-filter (foam). q Afte[...]

57 SER VICE JOURNAL Action Date, mtr reading, stamp, sign 100-Hour Service Perfor m the 25-hour service. q Perfor m the 50-hour service. q Change the engine oil filter . q Clean/replace the spark plugs. q Replace the fuel filter . q Check V -belts. q Check tighten caster wheel axle bolts (every 200 hours). q Change the air filter’s paper cartr[...]

58 SER VICE JOURNAL Action Date, mtr reading, stamp, sign At Least Once Each Y ear Clean the engine’s cooling air intake (25 hours). q Replace the air cleaner’s pre-filter (foam) (300 hours). q Replace the air filter’s paper cartridge. q Change the engine oil (50 hours). q Replace the engine oil filter (100 hours). q Check/adjust the cutti[...]

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