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Husqvarna RZ4219 Operator's Manual

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(£i0) isa_x:eptab_÷ f_-_r _
_n_his
Operat_
Hanua|
RZ4219 / 250201

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Summary of Contents for Husqvarna RZ4219

  • Page 1 Operat_ Hanua| (£i0) isa_x:eptab_÷ f_-_r _ _n_his RZ4219 / 250201...
  • Page 2 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. Do not modify or install non-standard equipment to the unit without consent from the manufacturer, Modifications to the unit may cause unsafe operations or damage the unit, When this product is worn out and no longer used, it should...

  • Page 3: Table Of Contents

    CONTENTS INTRODUCTION ............... Running ..............General ............... Operating on Hills ............. Driving and Transport on Public Roads ...... 5 Mowing Tips .............. Towing ................ Stopping the Engine ..........Operating ..............Moving Machine By Hand ......... Good Service .............. MAINTENANCE .............. Maintenance Schedule ..........
  • Page 4 WARNINGt 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 influence of any mind altering substance.

  • 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...

  • Page 6: Good Service

    INTRODUCTION Good Service Husqvarna's products are sold all over the world inspected and adjusted by your retailer. See the and only in specialized retail stores with complete certificate in the Service Journal in this operator's manual. service.. This ensures that you as a customer receive only the best support and service.

  • 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. WARNINGt IMPORTANT INFORMATION Xxxx xxxxxx xxxxx xxxx xxxxxxxxx Xxxx xxxxxx xxxxx xxxx xxxxxxxxx xxxxxx xxxxxx xxxxxxxxx, xx xxxxxxxx xxxx...
  • Page 8 SYMBOLS AND DECALS Shut off engine and remove key before performing Keep a safe distance from the Read Operator's maintenance or repair Use on slopes no Manual work machine greater than 10° No passengers Whole body Severing of fingers Do not open or Careful backing up, Careful going and toes...

  • Page 9: Safety

    SAFETY Safety Instructions These instructions are for your safety, Read them carefully, WARNING! WARNINGt THIS CUTTING MACHINE IS CAPABLE This symbol means that important safety OF AMPUTATING HANDS AND FEET instructions need to be emphasized. It AND THROWING OBJECTS. FAILURE concerns your safety.
  • 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 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.
  • Page 12 SAFETY • Do not use on steep slopes. • 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 WARNINGt 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. WARNINGt Avoid electrical sparking and its consequences...

  • Page 16: Transport

    Spark Arrestor combustion engine and should not A spark arrestor for the muffler is available through be used on or near any unimproved any authorized Husqvarna dealer, forested, bush covered or grassy lands unless the engine's system is equipped with a spark arrestor meeting applicable...

  • Page 17: Controls

    CONTROLS This operator's manual describes the Husqvarna Transmission from the engine is made via belt-driven Zero Turn Rider. The rider is fitted with a four-stroke hydraulic pumps. Using the left and right steering overhead valve engine. controls, the flow is regulated and thereby the 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, When both controls are in the neutral position (N), the machine stands still.

  • Page 19: Parking Brake

    CONTROLS Parking Brake The parking brake is found on the right side of the machine. Pull the lever backward to activate the brake and forward to release it. IMPORTANT INFORMATION The machine must stand absolutely still when applying the parking brake.

  • Page 20: Choke Control

    CONTROLS Choke Control The choke control is used for cold starts o provide the engine with a richer fuel mixture. For cold starts the throttle knob should be pushed forward all of the way. WARNINGt Gasoline is highly flammable. Observe caution and fill the tank outdoors (see Safety).

  • Page 21: Fuel Shut Off Valve

    Recommended pressure is 15 psi. (1 bar) Tracking must be checked on a flat and level concrete or blacktop surface. If the unit still does not track straight contact your Husqvarna workshop for adjustments.

  • Page 22: Blade Control Lever

    CONTROLS Blade Control Lever To engage the mower blades, slowly lift the lever up and into the lock notch. WARNINGt No adjustments or maintenance to be carried out unless: • the engine stopped • the ignition key removed 8058-074 Mower deck blade control lever in the disengaged position •...

  • Page 23: Operation

    OPERATION Read the Safety section and following pages, if you To turn to the right are unfamiliar with the machine, While moving in a forward direction, pull the right lever back towards the neutral position while maintaining Training the position of the left lever, this will slow the rotation Due to unique steering capabilities, zero turn mowers of the right wheel and cause the machine to turn in...

  • Page 24: Before Starting

    OPERATION Before Starting Read the sections Safety Instructions and Controls before starting the machine, • Perform the daily maintenance before starting (see Maintenance Schedule in the Maintenance section), • Check that there is sufficient fuel in the fuel tank, • Adjust the seat to the desired position, The following conditions must be fulfilled before the engine can be started:...
  • Page 25 OPERATION Move the steering controls outward to the locked (outer) neutral position. 8050-028 Place controls in neutral position Move the throttle to the middle position. 8050-008 Set the throttle If the engine is cold, the choke control should be pushed forward to its extent. 8050-007 Choke control...
  • Page 26 OPERATION Open the fuel valve. 8050-010 Open the fuel valve Press in and turn the ignition key to the start position. 8050-135 Turn to START position 10. When the engine starts, immediately release the ignition key back to the run position. IMPORTANT INFORMATION Do not run the starter for more than 5 seconds each time.

  • Page 27: Jumper Cables

    OPERATION Slowly slide the choke control back to the middle position when the engine has started. Set the desired engine speed with the throttle, Allow the engine to run at a moderate speed, approximately mid throttle, for 3-5 minutes before loading it too heavily.

  • Page 28: Running

    OPERATION Running Release the parking brake by 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, Move the steering controls to the neutral position (N).

  • Page 29: Operating On Hills

    OPERATION Operating on Hills Read the Safety Instructions Driving on Slopes in the Safety Instructions. WARNINGt Do not drive up or down hills with slopes greater than 10 degrees. Do not drive across slopes. • The slowest speed possible should be used before starting up or down hills.

  • Page 30: Mowing Tips

    OPERATION Mowing Tips Observe and flag rocks and other fixed objects to WARNINGt 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 31: Stopping The Engine

    OPERATION Stopping the Engine Allow the engine to idle a minute 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. Disengage the mower deck by sliding the blade control lever out of the lock notch and down into the lower position.

  • Page 32: Moving Machine By Hand

    OPERATION Moving Machine By Hand When pushing or pulling the mower, be sure to engage the EZT Hydrogear bypass linkages. The EZT bypass linkages are located on the rear of the frame, below the rear engine guard. Raise the deck into the highest cutting position. Pull the EZT bypass linkages out and into the slots.

  • Page 33: Maintenance

    MAINTENANCE Maintenance Schedule The following is a list of maintenance procedures that an authorized service workshop is recommended must be performed on the machine. For those points maintain your machine in the best possible condition not described in this manual, visit an authorized and to ensure safe operation.
  • Page 34 MAINTENANCE At least Maintenance interval Daily in hours once each MAINTENANCE Before After year Check/adjust throttle cable Check the condition of belts, belt pulleys Change the engine oil 1) Replace the engine oil filter Clean/replace the spark plugs Replace the fuel filter Check the caster wheels (every 200 hours) Check/adjust the mower deck Check the engine valve clearance s>...

  • Page 35: Battery

    MAINTENANCE Battery CAUTIONt Your mower is equipped with a maintenance free battery that does not need servicing. However, Always use protective glasses periodic charging of the battery with an automotive when handling the battery. type battery charger will extend its life. •...

  • Page 36: Safety System

    MAINTENANCE 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: The mower deck is disengaged. The steering controls are in the outer, locked neutral position.

  • Page 37: Parking Brake

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

  • Page 38: Ezt Belt

    Tighten blade bolt securely. Torque blade bolt to 45-60 ft/Ibs (60-80 Nm). IMPORTANT INFORMATION Special blade bolt is heat treated. 8058-027 Replace with a Husqvarna bolt if required. Blade Blade bolt (special) Do not use lower grade hardware than Spindle housing specified.

  • Page 39: Adjusting The Mower Deck

    MAINTENANCE Adjusting the Mower Deck WARNINGt Before performing any service or adjustment checklist: Engage the parking brake. Place the Blade switch in the disengaged position. Turn 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.

  • Page 40: Caster Wheels

    MAINTENANCE Caster Wheels Check every 200 hours. Check that wheels rotate freely. If wheels do not rotate freely take the unit to your dealer for service. Foam filled tires or solid tires will void the warranty. Removal and installation of caster wheel Remove nut (1) and caster bolt (2).

  • Page 41: Lubrication

    LUBRICATION 12/12 1/52 1/365 100h 200h 300h ii1 i iiiiiii iiiiiii iiiiiii iiiiii 8058-132 Level check 12/12 Every year Lubricate with grease gun 1/52 Every Week Oilchange Filter change 1/365 Every day General Remove the ignition key to prevent unintentional Wipe away excess grease after lubrication, movements during lubrication, It is important to avoid getting lubricant on the belts...

  • Page 42: Front Wheel Mount

    Transmission The transmission is maintenance free with no need for level checks or oil changes, If a leak occurs, replace the unit or contact the Husqvarna dealer, 8058-076 Lubricating the steering control shafts...

  • Page 43: Troubleshooting

    TROUBLESHOOTING Problem / Cause Engine will not start Blade lever is engaged Steering controls are not locked in neutral position Driver is not sitting in driver's seat Parking brake is not activated Battery is dead Contamination in carburetor or fuel line Fuel supply is closed or tap for fuel tank is in wrong position Clogged fuel filter or fuel line Starter does not turn the engine over...
  • Page 44 TROUBLESHOOTING Problem / Cause Engine overheats Clogged air intake or cooling fins Engine overloaded Poor ventilation around engine Defective engine speed regulator Soot in the combustion chamber Too little or no oil in the engine Fouled spark plug Battery not charging •...

  • Page 45: Winter Storage

    Drain the fuel into an purchase year, model, type, and serial number. approved container outdoors and store Always use genuine Husqvarna spare parts. far away from open flame. Never use An annual checkup at an authorized service workshop gasoline for cleaning.

  • Page 46: Schematics

    WIRING DIAGRAM NOTES: 1. SEAT UNOCCUPIED BRAKE SWITCH IN OFF POSITION 3. MOTION CONTROL LEVERS PTO IN OFF POSITION SOLENOID SWITCH 20 AMP " RIGHT MOTION BRAKe/ CONTROL LEVER LEFT MOTION CONTROL LEVER *,Lr SEAT ACCESSORY OUTLET ENGINE GROUND KEY SWITCH POSITIONS POSITION 1 - OFF...

  • Page 47: Technical Data

    TECHNICAL DATA RZ4219 1)The power rating of the engines indicated is the average net power Engine output (at specified rpm) of a typical production engine for the engine Manufacturer Briggs & Stratton model measured to SAE standard Type J 1349/ISO 1585, Mass production engines may differ from this value, Power 19.5 hp 1.2)

  • Page 48: Torque Specifications

    TECHNICAL DATA Torque Specifications Standard s/16" fasteners Engine crankshaft bolt 75 ft/Ib (100 Nm) 18 ft/Ib (25 Nm) 70 ft/Ib (95 Nm) Standard s/8"fasteners 33 ft/Ib (44 Nm) Deck pulley bolts 75 ft/Ib (100 Nm) Standard 7/16" f asteners 52 ft/Ib (70 Nm) Lug nuts Blade bolt Standard 1/2"...

  • Page 49: 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, Take care of them as they are valuable documents,...

  • Page 50: Service Journal

    SERVICE JOURNAL Action Date, rntr reading, stamp, sign Delivery Service Charge battery. Adjust tire pressure of all wheels according to Technical Data. 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 51 SERVICE JOURNAL Action Date, rntr reading, stamp, sign After the First 10 Hours Change engine oil. 25-Hour Service Check the fuel pump's air filter. Check the hydraulic system's oil level. Check the tire pressures. Lubricate the belt adjuster, mower deck. Lubricate the belt adjuster, hydraulic pumps.
  • Page 52 SERVICE JOURNAL Action Date, rntr reading, stamp, sign 50-Hour Service Perform the 25-hour service. Clean/replace the air cleaner's paper filter cartridge (shorter intervals for dusty operating conditions). Change engine oil. Lubricate according to lubrication chart. Check/adjust the parking brake. lO0-Hour Service Perform the 25-hour service.
  • Page 53 SERVICE JOURNAL Action Date, mtr reading, stamp, sign 300-Hour Service Perform the 25-hour service. Perform the 50-hour service. Perform the lO0-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 foam prefilter.
  • Page 54 SERVICE JOURNAL Action Date, rntr reading, stamp, sign...
  • Page 55 www.husqvama.com 115 554127 Rev A 2012-11-01...

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250201

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