Husqvarna MZ28T Operator's Manual

Husqvarna ride-on mower
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Operator´s manual
MZ28T
Please read these instructions carefully and make sure
English
you understand them before using the machine.

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Table of Contents
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Summary of Contents for Husqvarna MZ28T

  • Page 1 Operator´s manual MZ28T Please read these instructions carefully and make sure English you understand them before using the machine.
  • Page 2 To implement improvements, specifi cations and designs can be altered without prior notifi cation. 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. Do not modify or install non-standard equipment to the unit without consent from the manufacturer.
  • Page 3: Table Of Contents

    OPERATION ............24 Winter Storage ..........50 Training .............24 Service .............50 Steering ............24 WIRING DIAGRAMS ..........51 Before Starting ..........25 TECHNICAL DATA ..........52 Starting the Engine ...........25 Torque Specifi cations ........54 Jumper Cables ..........28 CONFORMITY CERTIFICATES .......55 Running ............29 SERVICE JOURNAL ..........56 Husqvarna-...
  • Page 4: Introduction

    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 infl uence of any mind altering substance. -Husqvarna...
  • Page 5: Driving And Transport On Public Roads

    INTRODUCTION Congratulations Towing Thank you for purchasing a Husqvarna ride-on mower. If machine is equipped with a tow hitch, use extreme This machine is built for superior effi ciency to rapidly caution when towing. Never allow children or others in mow primarily large areas.
  • Page 6: Good Service

    INTRODUCTION Good Service When you need spare parts or support in service Husqvarna’s products are sold all over the world questions, warranty issues, etc., please consult and only in specialized retail stores with complete the following professional: service. This ensures that you as a customer receive only the best support and service.
  • Page 7: Symbols And Decals

    Warning! Rotating blades, Do not touch parts keep away from the discharge deck MAX + _ 90N MAX + _ 150N Battery acid is corrosive, explosive and fl ammable Do not stand here Drawbar loading Use protective glasses Use protective gloves Husqvarna-...
  • Page 8 Noise emissions to the surroundings in accordance with the European Union’s directive. The machine’s emission is stated in the chapter TECHNICAL DATA and on the decals. Only machines for European market. -Husqvarna...
  • Page 9: Safety

    • Operate machine only in daylight or good artifi cial light. • Do not operate the machine while under the infl uence of alcohol or drugs. Husqvarna-...
  • Page 10 The • Allow machine to cool before storage. engine exhaust contains carbon monoxide, which is an odorless, colorless, poisonous gas. Do not use the machine in enclosed spaces. -Husqvarna...
  • Page 11: Personal Safety Equipment

    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. Husqvarna-...
  • Page 12 • Never allow children to operate the machine. • Use extra care when approaching blind corners, shrubs, trees, or other objects that may block the view of a child. 8011-517 Never allow children to operate the machine -Husqvarna...
  • Page 13: Safe Handling Of Gasoline

    • Check the fuel level before each use and leave space for the fuel to expand, as the heat from the engine and the sun may otherwise cause the fuel to expand and overfl ow. Husqvarna-...
  • Page 14: General Maintenance

    fl ames or sparks. • The battery can explode and cause serious injury or damage. • Ensure that the equipment is in good condition and that all nuts and bolts, especially those fastening the blade attachments, are properly tightened and torqued. -Husqvarna...
  • Page 15 • Allow the machine to cool before putting it in storage. 8011-514 • Regularly clean deck and underside of Regularly clean deck deck, avoid spraying engine and electrical components with water. Husqvarna-...
  • Page 16: Transport

    Do not tow near state laws (if any). ditches, canals, and other hazards. Spark Arrestor A spark arrestor for the muffl er is available through your authorized Husqvarna dealer. -Husqvarna...
  • Page 17: Controls

    CONTROLS This operator’s manual describes the Husqvarna Zero hydraulic pumps. Using the left and right steering Turn Rider. The rider is fi tted with either a Briggs & controls, the fl ow is regulated and thereby the Stratton four-stroke overhead valve engine.
  • Page 18: Motion Control Levers

    If the left steering control is pulled backward, the machine turns to the left. Use extra care when using this maneuver. 8065-053 1. Forward 2. Neutral 3. Neutral slot, Neutral lock 4. Reverse Motion control lever pattern (right side) -Husqvarna...
  • Page 19: Hour Meter

    8058-043 Blade switch Ignition Switch The ignition key is placed on the control panel and is used to start and stop the engine. Turn the key clockwise to start the engine. 8058-043 Ignition switch Husqvarna-...
  • Page 20: Parking Brake

    Pull the lever backward to activate the brake and push forward to release it. 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. 8058-044 Parking brake -Husqvarna...
  • Page 21: Tracking Knob

    Transaxle bypass linkages must be engaged when pushing or pulling the mower. The release levers are located on each side of the rear of the unit below the rear engine plate. See Manual Transport in the Operation section. 80658-146 Right side, hydro release lever Husqvarna-...
  • Page 22: Cutting Height Adjuster

    Fuel Shut Off Valve The fuel shut off valve is centered behind the rear of the seat. The valve is off when the handle tab is turned perpendicular to the fuel line. 8065-010 Fuel shut off valve in the CLOSED position. -Husqvarna...
  • Page 23: Refueling

    WARNING! Fill to bottom of fi ller neck. Do not overfi ll. Wipe off any spilled oil or fuel. Do not store, spill or use gasoline near an open fl ame. Husqvarna-...
  • Page 24: Operation

    (see Before Starting in the Operation section), adjust engine speed to idle, disengage parking brake, do not engage blades at this time, rotate control levers inward. As long as the control levers have not been -Husqvarna...
  • Page 25: Before Starting

    Activate parking brake before starting Starting the Engine 1. Sit on the seat. 2. Raise the mower deck to the transport position by locking the lift pedal fully forward. 3. Activate the parking brake. 8058-048 Set mower deck to the transport position Husqvarna-...
  • Page 26 8058-043 Press the control for disengaging the mower deck 5. Move the steering controls outward to the locked (outer) neutral position. 80661-012 Place controls in neutral position 6. Move the throttle to the middle position. 80658-050 Set the throttle -Husqvarna...
  • Page 27 10. Set the desired engine speed with the throttle. Allow the engine to run at a moderate speed, “half throttle”, for 3-5 minutes before loading it too heavily. USE FULL THROTTLE WHEN MOWING. 8066-008 Release ignition to the RUN position Husqvarna-...
  • Page 28: Jumper Cables

    CHASSIS GROUND on the mower with the discharged battery, away from the fuel tank and battery. To remove cables, reverse order • Remove BLACK cable fi rst from chassis and then from the fully charged battery. • Remove RED cable last from both batteries. -Husqvarna...
  • Page 29: Running

    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. 8065-016 Engage the mower deck and move the throttle to FULL Husqvarna-...
  • Page 30: Operating On Hills

    To restart movement, release the parking brake. • Pull the control levers back to the center of the mower and press forward to regain forward motion. • Make all turns slowly. 8058-044 Release the parking brake to restart movement -Husqvarna...
  • Page 31: Stopping The Engine

    (tortoise symbol) Turn the ignition key to the stop position. 8058-048 Raise deck to transport position 5. Move the steering controls outward. 6. Remove key. To prevent unauthorized use, always remove key when leaving the mower. 8061-012 Place controls in neutral position to stop Husqvarna-...
  • Page 32: Mowing Tips

    Avoid fl ooding water on top surface, to side. Avoid sudden directional engine and electrical components. changes. • When the mulching kit is used, it is important that the mowing interval is frequent and that the deck is cleaned more often. -Husqvarna...
  • Page 33: Manual Transport

    Raise the deck to the highest (transport) position. Pull the release levers up and out of the keyhole slots. Release the lever with the head outside the bracket and held into the bypass setting (OPEN). To reengage (CLOSE) the IZTs to drive, reverse the above procedure. Husqvarna-...
  • Page 34: Maintenance

    First change after 8-10 hours. When operating with a heavy load or at high ambient temperatures, replace every 50 hours. In dusty conditions, cleaning and replacement are required more often. Performed by authorized service workshop. ● = Described in this manual ♦ = Not described in this manual ■ = Refer to the engine manufacturer's manual -Husqvarna...
  • Page 35 Turn 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 spark plugs and place the wire where it cannot come in contact with the plug. Husqvarna-...
  • Page 36: Battery

    9. Connect BLACK grounding cable to negative (-) battery terminal with remaining hex bolt and hex nut. 10. Close access doors. CZ-22 1. Terminal guard 11. Lower seat. 2. Access doors Battery cleaning and installation -Husqvarna...
  • Page 37: Safety System

    Perform a standstill test and check that there is suffi cient braking action. WARNING! Faulty adjustment results in reduced braking ability and can cause an accident. IMPORTANT INFORMATION The machine must be standing still when 8058-044 applying the parking brake. Parking brake Husqvarna-...
  • Page 38: Deck Belt

    8058-061 6. Check that there are not twists in the belt and Belt routing, deck belt that the routing matches the routing decal. 7. Replace belt shields on both mandrel housings and secure with fasteners. -Husqvarna...
  • Page 39: Pump Belt

    Installation in this section of the manual). Idler arm release placement Clutch stop V-belts Pump belt removal Check every 100 hours of operation. Check for severe cracking and large nicks. NOTE: The belt will show some small cracks in normal operation. Husqvarna-...
  • Page 40: Cutting Blades

    4. Torque blade bolt to 45-55 ft-lbs (60-75 Nm). 3. Cutter housing Blade attachment IMPORTANT INFORMATION Special blade bolt is heat treated. Replace with a Husqvarna bolt if required. Do not use lower grade hardware than specifi ed. WARNING! Before performing any service or adjustment checklist: 1.
  • Page 41: Leveling Deck

    " lower than side- to-side measurement. NOTE: This will place the mower deck in a base measurement position. Additional adjustment may be required to achieve desired cut for the type of grass or conditions being mowed. Husqvarna-...
  • Page 42: Anti-Scalp Rollers

    The rollers should be approximately ¼" (6.5 mm) from ground. Do not adjust the rollers to support the deck. IMPORTANT INFORMATION The anti-scalp rollers must not be used for gauge wheels or the roller and deck may be damaged. -Husqvarna...
  • Page 43: Caster Wheels

    Regularly clean deck and underside of the deck with normal water pressure. Do not use a high pressure washer or steam cleaner. Avoid spraying engine and electrical components with water. Do not rinse hot surfaces with cold water. Let unit cool before washing. Husqvarna-...
  • Page 44: Lubrication

    When lubricating with grease, unless otherwise stated, Gasoline or other petroleum products must not be use high grade molybdenum disulphide grease. used to clean belts. For daily use, the machine should be lubricated twice weekly. -Husqvarna...
  • Page 45: Wheel And Deck Zerks

    8058-057 Lubricating front wheels Deck Spindles Lower the cutting deck completely. If a grease gun without rubber hose is used, the foot plate must be removed. Lubricate with a grease gun, 2-3 strokes per spindle. 8058-058 Deck spindle Husqvarna-...
  • Page 46: Transaxle (Transmission) Fluid Change

    fi lling with oil. This will allow the transaxles to vent during oil fi ll. 9. Remove the cap from the transaxles’ expansion tank located on the vehicle frame. -Husqvarna...
  • Page 47: Purging Procedures

    5. After the vehicle has been used two times, the oil level should be checked while the oil is cold and adjusted accordingly. Husqvarna-...
  • Page 48: Troubleshooting Guide

    Spark plug is loose. • Rich fuel mixture or fuel-air mixture. • Wrong fuel type. • Water in the fuel. • Clogged air fi lter. Engine seems weak. • Clogged air fi lter. • Fouled spark plugs. • Carburetor incorrectly adjusted. -Husqvarna...
  • Page 49 Unequal tire pressure on the left and right sides. Uneven mowing results. • Bent blades. • Suspension for the mower deck is uneven. • Blades are dull. • Driving speed too high. • The grass is too long. • Grass collected under the mower deck. Husqvarna-...
  • Page 50: Storage

    It is very fl ammable and can cause purchase year, model, type, and serial number. serious personal injury and property Always use genuine Husqvarna spare parts. damage. Drain the fuel into an An annual check-up at an authorized service approved container outdoors and workshop is a good way to ensure that the machine far away from open fl...
  • Page 51: Wiring Diagrams

    WIRING Husqvarna-...
  • Page 52: Technical Data

    SAE standard J1349/ ISO1585. Mass production engines may differ from this value. Actual power output for the engine installed in the fi nal machine will depend on the operating speed, environmental conditions and other variables. -Husqvarna...
  • Page 53 Noise pressure level according to EN 836. Reported data for noise pressure level has a typical statistical dispersion (standard deviation) of .08 dB(A). If the machine can be equipped with different cutting decks, the noise pressure levels are stated in order starting from the cutting deck with the smallest cutting width. Husqvarna-...
  • Page 54: Torque Specifi Cations

    ½ ¾ 1060 1410 1912 ** Grade 5 - Minimum commercial quality (lower quality not recommended) Metric Standard Hardware Grade Grade 8.8 Grade 10.9 Grade 12.9 ft./lbs ft./lbs ft./lbs ft./lbs 13.5 18.8 21.8 35.2 43.5 43.5 62.2 70.5 1205 -Husqvarna...
  • Page 55: Conformity Certificates

    See the Declaration of Conformity Certifi cate for additional information. Husqvarna AB, Orangeburg, SC, USA declares under sole responsibility that the machine types stated on page 1 of this manual, from 2010's serial numbers and onwards (the year is clearly stated in plain text...
  • Page 56: Service Journal

    Need and advantages of leaving the machine for service Effects of service and maintaining a service journal on the machine’s resale value Application areas for mulching Fill in the sales papers, etc. Delivery service has been carried out. No remaining notes. Certifi ed: -Husqvarna...
  • Page 57 Change the engine oil Check hydraulic oil level Inspect hydraulic hoses Inspect hydraulic belt Inspect hydraulic fi lter Check neutral position Check safety system Check seat belt Check fuel system for leaks Inspect safety guards and shields Check brake adjustment Husqvarna-...
  • Page 58 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 seat belt Check fuel system for leaks Inspect safety guards and shields Check brake adjustment -Husqvarna...
  • Page 59 25-Hour Service Check the fuel pump’s air fi lter Sharpen/Replace mower blades if required Check the tire pressures Check battery with cables Lubricate according to lubrication chart Check/clean the engine’s cooling air intake Clean the air cleaner’s pre-fi lter (foam) Husqvarna-...
  • Page 60 Check hydraulic oil level Inspect hydraulic fi lter Inspect hydraulic drive belt Inspect hydraulic hoses Check neutral position Inspect battery connections Check safety system Check seat belt Check fuel system for leaks Inspect safety guards and shields Check brake adjustment -Husqvarna...
  • Page 61 Replace hydraulic drive belt Inspect hydraulic hoses Check neutral position Inspect battery connections Load test battery Clean electrical connections Inspect the clutch Check safety system Check seat belt Check fuel system for leaks Inspect safety guards and shields Check brake adjustment Husqvarna-...
  • Page 62 Replace the air cleaner’s pre-fi lter (foam). Replace the air fi lter’s paper cartridge. Change the engine oil. Replace the engine oil fi lter Check/adjust the cutting height Check/adjust the parking brake Clean/Change the spark plugs Inspect spark plug Check the engine valve clearance -Husqvarna...
  • Page 64 Original instructions 115 39 51-26 ´®z+U°,¶6§¨ ´®z+U°,¶6§¨ 2011-01-31...

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