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Husqvarna MZ 52LE Operator's Manual
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Husqvarna MZ 52LE Operator's Manual

Zero turn mower / 967277406-00
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Operator Manual
MZ 52LE
Zero Turn Mower / 967277406-00
EN
Please read the operator manual carefully and make sure
you understand the instructions before using the machine.
Original
Gasoline containing up to 10% ethanol (E10) is acceptable for use in
Instructions
this machine. The use of any gasoline exceeding 10% ethanol (E10)
will void the product warranty.

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Summary of Contents for Husqvarna MZ 52LE

  • Page 1 Operator Manual MZ 52LE Zero Turn Mower / 967277406-00 Please read the operator manual carefully and make sure you understand the instructions before using the machine. Original Gasoline containing up to 10% ethanol (E10) is acceptable for use in Instructions this machine.
  • Page 2 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.

  • Page 3: Table Of Contents

    CONTENTS INTRODUCTION ............... 4 Operating on Hills ............. 19 Driving and Transport on Public Roads ...... 4 Weak Battery ............19 Towing ................. 4 Jumper Cable Use ..........19 Operating ..............4 Mowing Tips ............. 20 Good Service .............. 5 Moving Machine By Hand ........

  • Page 4: Introduction

    INTRODUCTION Congratulations Operating Thank you for purchasing a Husqvarna ride-on mower. This This machine is constructed only for mowing grass on lawns machine is built for superior efficiency to rapidly mow primarily and even ground without obstacles such as stones, tree large areas.

  • Page 5: Good Service

    INTRODUCTION Good Service Husqvarna's products are sold 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 6: Symbols And Decals

    SYMBOLS AND DECALS These symbols are found on the machine and in the operator manual. Study them carefully so that you know what they mean. IMPORTANT INFORMATION Xxxx xxxxxx xxxxx xxxx WARNING! xxxxxxxxx xxxxxx xxxxxxxxx. xx xxxxxxxx xxxx xxxxxx. Xxxx xxxxxx xxxxx xxxx xxxxxxxxx xxxxxx xxxxxxxxx. xx xxxxxxxx xxxx xxxxxx.

  • Page 7: Safety

    SAFETY Safety Instructions General Operation These instructions are for your safety. Read them carefully. • Read, understand, and follow all instructions on the machine and in the manual before starting. WARNING! THIS CUTTING MACHINE IS CAPABLE OF AMPUTATING HANDS AND FEET AND THROWING •...

  • Page 8: Personal Safety Equipment

    SAFETY • Always wear eye protection when operating machine. • Wear proper Personal Protective Equipment (PPE) while WARNING! Do not drive up or down hills with slopes operating this machine, including (at a minimum) sturdy greater than 10 degrees. And do not drive across any footwear, eye protection, and hearing protection.

  • Page 9: General Maintenance

    SAFETY • Remove gas-powered equipment from the truck or trailer • Make sure that the equipment is in good condition and and refuel it on the ground. If this is not possible, refuel that all nuts and bolts, especially those fastening the blade such equipment with a portable container, rather than from attachments, are properly tightened and torqued.

  • Page 10: Transport

    A spark arrestor for the muffler is available through your chains, or straps, when transporting. authorized Husqvarna dealer. • Do not operate this machine on public roadways. • Check and abide by local traffic regulations before transporting the machine on any road.

  • Page 11: Controls

    CONTROLS This operator manual describes the Husqvarna Zero Turn Rider. The rider is fitted with four-stroke overhead valve engine. Transmission from the engine is made via a belt-driven hydraulic pumps. Using the left and right steering controls, the flow is regulated and thereby the direction and speed.

  • Page 12: Steering Control Levers

    CONTROLS Steering Control Levers WARNING! The machine can turn very rapidly if one steering control is moved much further forward than the other. Park Brake 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.

  • Page 13: Throttle Control

    CONTROLS Throttle Control Service Minder The throttle control regulates the engine speed and thereby The service minder displays the total number of hours the the rate of rotation of the blades, assuming the blade switch is engine has run and indicates when the engine and mower pulled out, see Engaging the Mower Deck.

  • Page 14: Fuses

    CONTROLS Fuses Cutting Height Lever Fuses are located on the left hand side of the machine and are The desired cutting height is set with the height pin.The cutting accessed by tilting the seat forward. Fuses are flat pin fuses height pedal releases the deck lift to place the deck at the type as used in automobiles.

  • Page 15: Fuel Tank

    CONTROLS Fuel Tank IMPORTANT INFORMATION Experience indicates that alcohol blended fuels (called gasohol, ethanol or methanol) can attract moisture which leads to separation and formation of acids during storage. Acidic gas can damage the fuel system of an engine while in storage. To avoid engine problems, the fuel system should be emptied before storage of 30 days or longer.

  • Page 16: Operation

    OPERATION Before Starting Read the Safety section and following pages, if you are unfamiliar with the machine. Read the sections on Safety and Controls before starting the machine. Training Perform the daily maintenance before starting (see Due to unique steering capabilities, zero turn mowers are far Maintenance Schedule in the Maintenance section).

  • Page 17: Starting The Engine

    OPERATION Starting the Engine Move the steering controls outward to the locked (outer) neutral position. Sit on the seat. Raise the mower deck to the transport position by locking the lift pedal fully forward. Move throttle control to the middle position. Activate the park brake pulling the lever upwards.

  • Page 18: Running

    OPERATION Running Release the park brake by moving the lever downward. WARNING! 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. Stopping the Engine Move the throttle to the minimum position (tortoise symbol).

  • Page 19: Operating On Hills

    OPERATION Weak Battery When the machine is standing still, activate the park brake by pulling the lever upward. If the battery is too weak to start the engine, it should be If the engine has been worked hard, allow it to idle a recharged.

  • Page 20: Mowing Tips

    OPERATION Mowing Tips Moving Machine By Hand • Observe and flag rocks and other fixed objects to avoid When pushing or pulling the mower, engage the IZT collisions. (Integrated Zeroturn Transaxle) bypass linkages. The release levers are located on each side of the rear of the unit below the •...

  • Page 21: Maintenance

    MAINTENANCE Maintenance Schedule The following is a list of maintenance procedures that must be recommended to maintain your machine in the best possible performed on the machine. For those points not described in condition and to ensure safe operation. this manual, visit an authorized service workshop. An annual Read General Maintenance in the Safety section.
  • Page 22 MAINTENANCE At least Maintenance interval Daily once in hours each MAINTENANCE Before After year ■ Check/adjust throttle cable ● ● Check the condition of belts, belt pulleys ■ ■ Change the engine oil ■ ■ Replace the engine oil filter ■...

  • Page 23: Battery

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

  • Page 24: Safety System

    Perform a standstill test and check that there is sufficient braking action. The engine can only be started when: To adjust the park brake, contact the Husqvarna service • The mower deck is disengaged. workshop.

  • Page 25: Caster Wheels

    MAINTENANCE Caster Wheels V-belts Check every 100 hours of operation. Check for severe Check every 200 hours. Check that wheels rotate freely. cracking and large nicks. If wheels do not rotate freely take the unit to your dealer for service. NOTE: The belt will show some small cracks in normal operation.

  • Page 26: Pump Belt

    If the pump is not locked in the extended position, repeat treated. Steps 4 and 5 from the above instructions. Replace with a Husqvarna bolt if required. Slip the belt over the fans and route it between the idler pulleys.

  • Page 27: Adjusting The Mower Deck

    MAINTENANCE Adjusting the Mower Deck Check the tire pressure before adjustment of the mower deck. See Tire Pressures in Maintenance section. Faulty mower deck adjustments will cause an uneven mowing result. Leveling deck Adjust the deck while the mower is on a level surface. Make sure the tires are inflated to the correct pressure.

  • Page 28: Lubrication

    LUBRICATION Wheel and Deck Zerks Use only good quality bearing grease. Grease from well-known brand names (petrochemical companies, etc.) usually maintains a good quality. Front Wheel Mount Lubricate 3-4 strokes with a grease gun on each set of wheel bearings. Front Wheel Bearings Lubricate 3-4 strokes with a grease gun on each set of wheel bearings.

  • Page 29: Engine Oil Change

    LUBRICATION Engine oil change Transaxle Fluid Change This transaxle is designed with an external filter for ease NOTE: Change the engine oil when the engine is warm. of maintenance. To ensure constant fluid quality levels and Refer to the engine owner’s manual for the correct longer life, an oil filter change interval of every 200 hours is replacement oil and filter change recommendations.

  • Page 30: Transmission Purging

    LUBRICATION Transmission Purging Due to the effects air has on efficiency in hydrostatic drive applications, it is critical to purge the system. These purge procedures should be implemented any time a hydrostatic system has been opened for maintenance or if any additional oil has been added to the system.

  • Page 31: Troubleshooting

    TROUBLESHOOTING Problem / Cause Engine will not start Engine overheats Blade switch is engaged Clogged air intake or cooling fins Steering controls are not locked in the neutral position Engine overloaded Park brake is not activated Poor ventilation around engine Battery is dead Defective engine speed regulator Contamination in the carburetor or fuel line...

  • Page 32: Storage

    Never use Always use genuine Husqvarna spare parts. gasoline for cleaning. Use a degreaser and warm water. An annual check-up at an authorized service workshop is a good way to ensure that your machine performs its best the following season.

  • Page 33: Schematic

    SCHEMATIC...

  • Page 34: Technical Data

    TECHNICAL DATA Engine Frame Manufacturer Briggs & Stratton Cutting Width 52" (133 cm) Type Endurance Commercial Cutting Height 1½"-4½" (3.8-11.4 cm) 25 HP Power Uncut Circle Lubrication Pressure with oil filter Number of Blades Fuel Min 87 octane unleaded (Max Blade Length 18"...

  • Page 35: Torque Specifications

    TECHNICAL DATA Torque Specifications Standard ¼" fasteners 9 ft/lb (12 Nm) Engine crankshaft bolt 50 ft/lb (67 Nm) Standard " fasteners 18 ft/lb (25 Nm) Deck pulley bolts 75 ft/lb (100 Nm) Standard " fasteners 33 ft/lb (44 Nm) Lug nuts 75 ft/lb (100 Nm) Standard "...

  • Page 36: 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 Adjust the position of the steering controls Fill with fuel and open the fuel shut off valve...
  • Page 37 SERVICE JOURNAL Action Date, mtr reading, stamp, sign After 10 hours Change the engine oil Change the oil filter Inspect hydraulic hoses Inspect hydraulic belt Inspect hydraulic filter Check neutral position Check safety system Check fuel system for leaks Inspect safety guards and shields Check brake adjustment Action Date, mtr reading, stamp, sign...
  • Page 38 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 50-Hour Service Clean debris from mower Check engine oil level Check the tire pressures Check underside of deck Inspect deck pulleys Check/clean the engine’s cooling air intake Check safety system Check fuel system for leaks Inspect safety guards and shields Check brake adjustment...
  • Page 39 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 250-Hour Service Grease fittings (caster pivots and caster wheels) Inspect dampers Inspect frame Inspect throttle cable Inspect hardware Check the tire pressures Change the engine oil and filter Change air filter Inspect spark plug Inspect fuel filter Check engine RPM Clean underside of deck...
  • Page 40 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 500-Hour Service Grease fittings (caster pivots and caster wheels) Inspect dampers Inspect frame Inspect throttle cable Inspect hardware Check the tire pressures Change the engine oil and filter Change air filter Inspect spark plug Inspect fuel filter Check engine RPM Clean underside of deck...
  • Page 41 SERVICE JOURNAL Action Date, mtr reading, stamp, sign At Least Once Each Year Clean the engine’s cooling air intake Replace the air cleaner’s foam prefilter Replace the air filter’s paper cartridge Change the engine oil Replace the engine oil filter Check/adjust the cutting height Check/adjust the park brake Clean/Change the spark plugs...
  • Page 42 SERVICE JOURNAL Action Date, mtr reading, stamp, sign...
  • Page 44 115 72 50-27 Rev A 2014-09-15...

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967277406-00

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