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Husqvarna EZ4824 CA Operator's Manual
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Husqvarna EZ4824 CA Operator's Manual

Husqvarna EZ4824 CA Operator's Manual

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Operator Manual
Gasoline containing up to 10% ethanol
(E10) is acceptable for use in this
machine. The use of any gasoline
EZ4824 / 966612901
exceeding 10% ethanol (E10) will void
the product warranty.
EZ4824 CA / 966659501
EZ24T / 966659601
Please read the operator's manual carefully and make sure you
understand the instructions before using the machine.

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Summary of Contents for Husqvarna EZ4824 CA

  • Page 1 The use of any gasoline EZ4824 / 966612901 exceeding 10% ethanol (E10) will void the product warranty. EZ4824 CA / 966659501 EZ24T / 966659601 Please read the operator’s manual carefully and make sure you understand the instructions before using the machine.
  • Page 2 When this product is worn out and no longer used, it should be returned to the reseller or other party for recycling. 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.

  • Page 3: Table Of Contents

    CONTENTS INTRODUCTION ............5 Operating On Hills ..........30 Driving and Transport on Public Roads .....5 Mowing Tips .............31 Towing ..............5 Stopping the Engine .........32 Operating ............5 Moving Machine by Hand ........33 Good Service .............6 ZT-2800 Bypass Linkages .......33 Manufacturing Number ........6 MAINTENANCE ............34 SYMBOLS AND DECALS .........7 Maintenance Schedule ........34...
  • Page 4 WARNING! 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. WARNING! Failure to follow cautious operating practices can result in serious injury to the operator or other persons.

  • Page 5: Introduction

    INTRODUCTION Congratulations Towing Thank you for purchasing a Husqvarna ride-on If machine is equipped with a tow hitch, use extreme mower. This machine is built for superior efficiency caution when towing. Never allow children or others in to rapidly mow primarily large areas. A control panel or on the towed equipment.

  • Page 6: Good Service

    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.

  • Page 7: 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. IMPORTANT INFORMATION WARNING! Xxxx xxxxxx xxxxx xxxx xxxxxxxxx xxxxxx Xxxx xxxxxx xxxxx xxxx xxxxxxxxx xxxxxxxxx. xx xxxxxxxx xxxx xxxxxx. xxxxxx xxxxxxxxx.
  • Page 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 fingers Do not open or Careful backing up, Careful going...

  • Page 9: Safety

    SAFETY Safety Instructions These instructions are for your safety. Read them carefully. WARNING! WARNING! THIS CUTTING MACHINE IS CAPABLE This symbol means that important OF AMPUTATING HANDS AND FEET safety instructions need to be AND THROWING OBJECTS. FAILURE emphasized. It concerns your safety. TO OBSERVE THE FOLLOWING SAFETY INSTRUCTIONS COULD RESULT IN SERIOUS INJURY OR...
  • Page 10 SAFETY • 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. • Operate machine only in daylight or good artificial light.

  • Page 11: Personal Safety Equipment

    SAFETY Personal Safety Equipment WARNING! 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.
  • Page 12 SAFETY • Do not try to stabilize the machine by putting a 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.

  • Page 13: Safe Handling Of Gasoline

    SAFETY Safe Handling of Gasoline WARNING! The engine and the exhaust system become very hot during operation. There is risk for burns if touched. Allow engine and exhaust system to cool before refueling. To avoid personal injury or property damage, use extreme care in handling gasoline.

  • Page 14: General Maintenance

    SAFETY 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 other debris buildup.
  • Page 15 SAFETY 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. WARNING! Avoid electrical sparking and its consequences by the following...

  • Page 16: Transport

    Spark Arrestor WARNING! A spark arrestor for the muffler is available through This mower is equipped with an any authorized Husqvarna dealer. internal combustion engine and should not be used on or near any unimproved forested, bush covered or grassy lands unless the engine's...

  • Page 17: Controls

    CONTROLS This operator’s manual describes the Husqvarna Zero driven hydraulic pumps. Using the left and right Turn Rider. The rider is fitted with Briggs & Stratton steering controls, the flow is regulated and thereby the four-stroke overhead valve engine. direction and speed.

  • Page 18: Steering Control Levers

    CONTROLS 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 neutral position. Furthermore, there is a neutral position, which is locked if the steering controls are moved outward.

  • Page 19: Parking Brake

    CONTROLS Parking Brake IMPORTANT INFORMATION 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. The parking brake is found on the left of the machine. Push button and pull the lever backward to activate the brake and push button and push forward to release it.

  • Page 20: Ignition Switch

    CONTROLS Ignition Switch The ignition switch is placed on the control panel and is used to start and stop the engine. 8052-001 Ignition switch Choke Control The choke control is used for cold starts in order to provide the engine with a richer fuel mixture. For cold starts the control should be pulled out.

  • Page 21: Fuel Tank

    CONTROLS Fuel Tank Read the safety instructions before refueling. 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).

  • Page 22: Fuel Shut Off Valve

    CONTROLS Fuel Shut Off Valve The fuel shut off valve is located at the left rear of the seat. The valve is off when the handle tab is turned perpendicular to the fuel line. IMPORTANT INFORMATION 8011-419 Always raise the deck to the highest position Fuel shut off valve in the CLOSED position for transport.

  • Page 23: Hour Meter

    CONTROLS 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.

  • Page 24: Operation

    OPERATION Read the Safety section and following pages, if you Steering are unfamiliar with the machine. To move forward and backward Training The direction and speed of the mower’s movements are effected by the movement of the control lever(s) Due to unique steering capabilities, zero turn mowers on each side of mower.

  • Page 25: Before Starting

    OPERATION Before Starting 1. Read the sections Safety and Controls sections before starting the machine. 2. Perform the daily maintenance before starting (see Maintenance Schedule in the Maintenance section). 3. Check that there is sufficient fuel in the fuel tank. 4.
  • Page 26 OPERATION 5. Move the steering controls outward to the locked (outer) neutral position. 8061-026 Place controls in neutral position 6. Move the throttle to the middle position. 8052-001 Set the throttle 7. If the engine is cold, the choke control should be pulled up.
  • Page 27 OPERATION 8. Press in and turn the ignition key to the start position. IMPORTANT INFORMATION 8050-7432 Do not run the starter for more than 5 seconds Turn to the start position each time. If the engine does not start, wait approximately 10 seconds before retrying.

  • Page 28: Weak Battery

    OPERATION Weak Battery WARNING! Lead-acid batteries generate explosive gases. Keep sparks, flame and smoking materials away from batteries. Always wear eye protection when around batteries. IMPORTANT INFORMATION Your mower is equipped with a 12-volt negative grounded system. The other vehicle must also be a 12-volt negative grounded system.
  • Page 29 OPERATION Running 1. Release the parking brake by pushing the button and moving the lever downward. NOTE: The 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.

  • Page 30: Operating On Hills

    OPERATION 5. Move throttle control to full throttle. 6. Engage the mower deck by pulling out the blade switch. The machine’s speed and direction are continuously variable using the two steering controls. When both controls are in the neutral position, the machine stands still. By moving both controls an equal amount forward or backward, the machine moves in a straight line forward or backward respectively.

  • Page 31: Mowing Tips

    OPERATION Mowing Tips WARNING! • Observe and flag rocks and other fixed objects to avoid collisions. Clear the lawn of stones and other objects that can be thrown out by the • Begin with a high cutting height and reduce it until blades.

  • Page 32: Stopping The Engine

    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.

  • Page 33: Moving Machine By Hand

    OPERATION 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 rear of the frame, below the rear engine guard. 1. Raise the deck into the highest cutting position.

  • Page 34: 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 recommended to maintain your machine in the best possible condition and to ensure safe operation.
  • Page 35 MAINTENANCE Maintenance least interval once Daily in hours each Before After MAINTENANCE year ■ Check/adjust throttle cable ● ● ● Check the condition of belts, belt pulleys ■ Change the engine oil ■ ■ Replace the engine oil filter ■ ■...

  • Page 36: Battery

    MAINTENANCE Battery STANDARD STATE APPROXIMATE BATTERY CHARGING TIME* TO FULL CHARGE AT 80 F / 27 The mower is equipped with a maintenance free BATTERY Maximum Rate at: battery and does not need servicing. However, CHARGE 50 Amps 30 Amps 20 Amps 10 Amps periodic charging of the battery with an automotive...

  • Page 37: Safety System

    Visually check that no damage is found on the lever, cables, 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. WARNING! Faulty adjustment will result in reduced braking ability and can cause an accident.

  • Page 38: V-Belts

    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 Removal 1.

  • Page 39: Pump Belt

    MAINTENANCE Pump Belt Replacing pump belt Park the mower on a level surface. Engage the parking brake. IMPORTANT INFORMATION Make sure that the fan blades are not damaged when replacing the pump belt. The fan cooling can be affected and damage to the pump could result.

  • Page 40: Cutting Blades

    3. Install and tighten blade bolt securely. 4. Torque blade bolt to 90 ft/lbs (122 Nm). IMPORTANT INFORMATION Special blade bolt is heat treated. Replace with a Husqvarna bolt if required. 8061-022 Do not use lower grade hardware than 1. Blade specified.

  • Page 41: Adjusting The Mower Deck

    MAINTENANCE Adjusting the Mower Deck Leveling deck Adjust the deck while the mower is on a level surface. Make sure the tires are inflated to the correct pressure. See Technical Data under Transmission. If tires are under or over inflated, the deck cannot be properly adjusted.

  • Page 42: Anti-Scalp Rollers

    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.

  • Page 43: Cleaning

    MAINTENANCE 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 compressed air to clean the top side of mower deck.

  • Page 44: Lubrication

    LUBRICATION 8050-832 12/12 Every year Filter change Lubricate with grease gun 1/52 Every Week Level check Oil change 1/365 Every day Change transmission filter General Wipe away excess grease after lubrication. Remove the ignition key to prevent unintentional movements during lubrication. It is important to avoid getting lubricant on the belts or the drive surfaces on the belt pulleys.

  • Page 45: Front Wheel Mount

    LUBRICATION Front Wheel Mount Lubricate with a grease gun, one zerk for each wheel mount, until the grease is forced out. Use only good quality bearing grease. Grease from 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 bearings, until the grease is forced out.

  • Page 46: Transaxle (Transmission) Fluid Change

    LUBRICATION Transaxle (Transmission) Fluid Change This transaxle is designed with an external filter for ease of maintenance. To ensure constant fluid quality levels and longer life, an oil filter change interval of every 200 hours is recommended. The following procedure is performed with the transaxles installed in the mower and the mower on level ground.

  • Page 47: Troubleshooting

    TROUBLESHOOTING Problem Cause Engine will not start • Blade switch is engaged. • Steering controls are not locked in the neutral position • Parking brake is not activated • Battery is dead • Contamination in the carburetor or fuel line. •...
  • Page 48 TROUBLESHOOTING Problem Cause Engine overheats • Clogged air intake or cooling fins • Engine overloaded • Poor ventilation around engine • Defective engine speed regulator • Too little or no oil in the engine • Contamination in the carburetor or fuel line. •...

  • Page 49: Storage

    Drain the fuel into an Always use genuine Husqvarna spare parts. approved container outdoors and far An annual check-up at an authorized service away from open flame. Store the fuel...

  • Page 50: Schematics

    SCHEMATICS...

  • Page 51: Technical Data

    TECHNICAL DATA Torque Specifications Engine crankshaft bolt 50 ft/lb (67 Nm) Standard ¼" fasteners 9 ft/lb (12 Nm) Deck pulley bolts 150 ft/lb (203 Nm) Standard " fasteners 18 ft/lb (25 Nm) Lug nuts 75 ft/lb (100 Nm) Standard " fasteners 33 ft/lb (44 Nm) Blade bolt 90 ft/lb (122 Nm)
  • Page 52 TECHNICAL DATA EZ4824 / 966612901 EZ24T \ 966659601 EZ4824CA / 966659501 Engine Manufacturer Briggs & Stratton Briggs & Stratton Type Endurance Endurance Power 24 hp 24 hp (1, 2 (1,2 Lubrication Pressure with oil filter Pressure with oil filter Fuel Min 87 octane unleaded (Max Min 87 octane unleaded (Max ethanol 10%, Max MTBE 15%)
  • Page 53 TECHNICAL DATA EZ4824 / 966612901 EZ24T \ 966659601 EZ4824CA / 966659501 Frame Cutting Width 48" / 122cm — Cutting Height 1½ - 4" / 3.8 - 10.2 cm — Uncut Circle — Number of Blades — Blade Length 16¼" / 41 cm —...

  • Page 54: 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, (California emission rules etc.). Do not remove any of these labels. Certificates can also be supplied with the machine at delivery or written in the Engine manual.

  • Page 55: Service Journal

    SERVICE JOURNAL Action Date, mtr reading, stamp, sign Delivery Service Charge the battery. Adjust the tire pressure of all wheels to 15 PSI (1 bar). Mount the steering controls in the normal position. Connect the contact box to the cable for the seat’s safety switch. Check that the right amount of oil is in the engine.
  • Page 56 SERVICE JOURNAL Action Date, mtr reading, stamp, sign After the first 5-8 hours Change the engine oil. 25-Hour Service Check the engine air filter. Sharpen/Replace mower blades if required. Check the tire pressures. Check battery cables. Lubricate according to lubrication chart. Check/clean the engine’s cooling air intake.
  • Page 57 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 50-Hour Service Perform the 25-hour service. Clean/replace the air cleaner’s filter cartridge (paper filter (shorter intervals for dusty operating conditions). Change engine oil. Lubricate according to lubrication chart. Check/adjust the parking brake. 100-Hour Service Perform the 25-hour service.
  • Page 58 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 300-Hour Service Perform the 25-hour service. Perform the 50-hour service. Perform the 100-hour service. Check/adjust the mower deck. Clean the combustion chamber and grind the valve seats. Check the engine valve clearance. Replace the air cleaner’s pre-filter (foam).
  • Page 60 2011-10-06 115 384627 RevC...

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Ez4824Ez24t966612901966659501966659601

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