Husqvarna RZ4622 Owners Manual

Husqvarna RZ4622 Manual

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  • Husqvarna RZ4622 | Owners Manual - Page 1
    10% ethanol (E10) is acceptable for use in this machine.The use of any gasoline exceeding 10% ethanol (E10) will void the product warranty. Operator Manual RZ4622T / 967176201 Please read the operator's manual carefully and make sure you understand the instructions before using the machine.
  • Husqvarna RZ4622 | Owners Manual - Page 2
    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
  • Husqvarna RZ4622 | Owners Manual - Page 3
    Cutting Blades 41 Blade replacement 41 Adjusting the Mower Deck 42 Leveling deck 42 Caster Wheels 43 Cleaning 43 Hardware 43 LUBRICATION 44 Lubrication Schedule 44 Wheel and Deck Zerks 45 Front Wheel Mount 45 Front Wheel Bearings 45 Deck Spindles 45 Transmission 45 TROUBLESHOOTING 46
  • Husqvarna RZ4622 | Owners Manual - Page 4
    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
  • Husqvarna RZ4622 | Owners Manual - Page 5
    regulated by steering controls both contribute to the machine's performance. This manual is a valuable document. Read the contents carefully before using or servicing the machine. The following of instructions (use, service, maintenance) by all who operate this machine is important for the
  • Husqvarna RZ4622 | Owners Manual - Page 6
    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 in the Service Journal in this operator's manual. When you need spare parts or support in service questions, warranty
  • Husqvarna RZ4622 | Owners Manual - Page 7
    Used in this publication to notify the reader of a risk of material damage, particularly if the reader should neglect to follow instructions given in the manual. Used also when there is a potential for misuse or misassembly. RN Reverse Neutral Fast Slow Choke Fuel Warning! Parking Brake CE
  • Husqvarna RZ4622 | Owners Manual - Page 8
    SYMBOLS AND DECALS Read Operator's Manual Shut off engine and remove key before performing any maintenance or repair work watch for other people Careful going forward, watch for other people Moving sharp blades under cover Battery acid is corrosive, explosive and flammable Warning! Rotating
  • Husqvarna RZ4622 | Owners Manual - Page 9
    safety devices in place and working • Slow down before turning. • Never leave a running machine unattended. Always turn off blades, set parking brake, stop engine, and remove keys before dismounting. 8011-512 Read the operator's manual before starting the machine Clear the area of objects before
  • Husqvarna RZ4622 | Owners Manual - Page 10
    SAFETY • Disengage blades when not mowing. Shut off engine and wait for all parts to come to a complete Manual. Local laws may regulate the age of the user. • Keep machine free of grass, leaves or other debris buildup which can touch the hot exhaust or engine parts and burn. • Do not allow the mower
  • Husqvarna RZ4622 | Owners Manual - Page 11
    assembling or driving. • Always wear gloves when handling the blades. • Never wear loose clothing that can get caught in moving parts. • lose traction. • Avoid starting, stopping, or turning on a slope. If the tires lose traction, disengage the blades and proceed slowly straight down the slope. •
  • Husqvarna RZ4622 | Owners Manual - Page 12
    age before operating a riding lawn mower. Keep children out of the . Be extra cautious when driving on slopes Children Tragic accidents other than the operator. • Be alert and turn machine off if a child enters the area. • Never carry children, even with the blades shut off. They may fall off and
  • Husqvarna RZ4622 | Owners Manual - Page 13
    use gasoline as a cleaning agent. • If leaks arise in fuel system, engine must not be started until problem has been resolved. • Check the fuel level before each use and leave space for the fuel to expand, driver's floor plate or any protective plate for the mower deck's drive belt is removed. 13
  • Husqvarna RZ4622 | Owners Manual - Page 14
    and replace with manufacturer's recommended parts, when necessary. • Mower blades are sharp. Wrap the blade or wear gloves, and use extra caution when servicing them. • Check brake operation frequently. Adjust and service as required. • Maintain or replace safety and instruction labels, as necessary
  • Husqvarna RZ4622 | Owners Manual - Page 15
    . Only use approved repair parts for the machine. • The blades are sharp and can cause cuts and gashes. Wrap the blades or use protective gloves when handling them. • Check the parking brake's functionality regularly. Adjust and service as necessary. • The mulch blades should only be used in
  • Husqvarna RZ4622 | Owners Manual - Page 16
    to the drive system. • Load the unit onto truck or trailer by driving up ramps in or on towed equipment. Make wide turns to avoid jack-knifing. Travel slowly and available through any authorized Husqvarna dealer. 16 WARNING! administered immediately. WARNING! This mower is equipped with an internal
  • Husqvarna RZ4622 | Owners Manual - Page 17
    manual describes the Husqvarna Zero Turn Rider. The rider is fitted with a four-stroke overhead valve engine. Transmission from the engine is made via a belt 5. Bypass Linkages 6. Fuel tank 7. Fuses 8. Seat adjustment lever 9. Blade switch 10. Ignition switch 11. Throttle 12. Choke control 13. Hour
  • Husqvarna RZ4622 | Owners Manual - Page 18
    moving forward, move the right control towards the neutral position. The rotation of the right wheel is reduced and the machine turns to the right. Zero turn can be achieved by moving one control backward (behind the neutral position) and carefully moving the other steering control forward from
  • Husqvarna RZ4622 | Owners Manual - Page 19
    the spark plugs. USE FULL THROTTLE WHEN MOWING, for best mower performance and battery charging. Throttle control Blade Switch To engage the mower deck, pull the blade switch knob out. The mower blades are disengaged when the knob is pressed down fully. Blade switch 8058-187 8058-134 8058-134 19
  • Husqvarna RZ4622 | Owners Manual - Page 20
    on the control panel and is used to start and stop the engine. On models equipped with headlights, turn the key clockwise to ACCESSORY for headlight use. Ignition switch Choke Control The ratings and functions: 20 Amp Primary fuse 7.5 Amp Mower deck coupling Fuses 20 8052-001 8058-134 8011-420
  • Husqvarna RZ4622 | Owners Manual - Page 21
    flammable. Observe caution and fill the tank outdoors (see the safety instruction). WARNING! The engine and the exhaust system, become very hot during 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.
  • Husqvarna RZ4622 | Owners Manual - Page 22
    when the handle tab is turned perpendicular to the fuel line. are measured from the ground up to the blade tip with the engine not running. IMPORTANT 103 kPa / 1 bar. The mower deck's lifting lever Bypass Linkages The levers The bypass linkage is used when manually pushing or pulling the unit.
  • Husqvarna RZ4622 | Owners Manual - Page 23
    and one hour after the interval. The CHG OIL icon will come on and shut off automatically. The hour meter cannot be manually reset. Hour meter Tracking Knob If the mower is not tracking straight, check the air pressure in both rear tires. Recommended air pressure is 15 psi (103 kPa / 1 bar
  • Husqvarna RZ4622 | Owners Manual - Page 24
    zero turn mowers are far more maneuverable than typical riding mowers. This section should be reviewed in its entirety prior to attempting to move the mower under its own power. When first operating the mower brake but do not engage the blades at this time. Rotate control levers inward. As long
  • Husqvarna RZ4622 | Owners Manual - Page 25
    pin with the hairpin. 8058-023 Secure selected cutting height The following conditions must be fulfilled before the engine can be started: • The blade switch must be pressed downward into the disengaged position. • The parking brake must be up into the activated position. • Both steering controls
  • Husqvarna RZ4622 | Owners Manual - Page 26
    lever backward to the locked (transport) position. Mower deck lifting lever 3. Activate the parking brake by pushing the release button in and pulling the lever fully upwards. 8058-185 4. Disengage the mower blades by pressing the blade switch downwards. Pull parking brake upwards to activate
  • Husqvarna RZ4622 | Owners Manual - Page 27
    OPERATION 5. Move the steering controls outward to the locked (outer) neutral position. 6. Move the throttle to the middle position. Place controls in neutral position 8058-186 Set the throttle 7. If the engine is cold, the choke control should be pulled up. 8058-148 Set the choke control
  • Husqvarna RZ4622 | Owners Manual - Page 28
    Do not run the starter for more than 5 seconds each time. If the engine does not start, wait approximately 10 seconds before retrying. Turn to the start position 9. When the engine starts, immediately release the ignition key back to the run position. Push the choke control in gradually
  • Husqvarna RZ4622 | Owners Manual - Page 29
    cable to the NEGATIVE (-) terminal of the fully charged battery. 3. Connect the other end of the BLACK cable to a good CHASSIS GROUND on the mower with the discharged battery, away from the fuel tank and battery. To remove cables, reverse order 4. Remove BLACK cable first from chassis and then from
  • Husqvarna RZ4622 | Owners Manual - Page 30
    the release button on the cutting height lever and move lever to the pin, release the button. 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
  • Husqvarna RZ4622 | Owners Manual - Page 31
    the Safety Instructions Driving on Slopes in the Safety section. WARNING! Do not drive up or down hills with slopes greater than 10 degrees. Do not drive across to the center of the mower and press forward to regain forward motion. • Make all turns slowly. 8058-186 Parking brake released 8058-187
  • Husqvarna RZ4622 | Owners Manual - Page 32
    the mower deck underside with water after each use. When cleaning, the mower deck shall be raised into the transport position. Make sure the mower is other objects that can be thrown out by the blades. Mowing pattern 8011-603 WARNING! Never drive the rider on terrain that slopes more than 10
  • Husqvarna RZ4622 | Owners Manual - Page 33
    Disengage the mower deck by pressing the blade switch down. 8058-134 Disengage the mower deck and move throttle to minimum 4. Raise the mower deck by pressing Raise the mower deck 6. Turn the ignition key to the stop position. 7. Remove key. Always remove key when leaving the mower to prevent
  • Husqvarna RZ4622 | Owners Manual - Page 34
    Moving Machine By Hand When pushing or pulling the mower, engage the EZT bypass linkages. The EZT bypass in the bypass position. 4. To reengage the EZT's to drive, reverse the above procedure. Load the machine into truck or trailer by driving slowly up the ramps. DO NOT LIFT! The machine is
  • Husqvarna RZ4622 | Owners Manual - Page 35
    , listen for unusual sounds Check for damage Thoroughly clean around the engine Clean around belts, belt pulleys Check the tire pressures Check battery connections Sharpen3)/ Replace mower blades Clean the engine's cooling air intake 2) Clean the air cleaner foam pre-filter 2) Clean the air cleaner
  • Husqvarna RZ4622 | Owners Manual - Page 36
    ● ♦ ♦ WARNING! Before performing any service or adjustment checklist: • Engage the parking brake. • Place the Blade-switch in the disengaged position. • Turn the ignition switch to OFF position and remove the key. • Make sure the blades and all moving parts have completely stopped. • Disconnect the
  • Husqvarna RZ4622 | Owners Manual - Page 37
    MAINTENANCE Battery Your mower is equipped with a maintenance free battery and does not need servicing. However, periodic charging of the that secure the battery hold-down. 5. Carefully remove the battery from the mower. 6. Install new battery with terminals in the same position as the old battery
  • Husqvarna RZ4622 | Owners Manual - Page 38
    turn the machine off and repair the safety system before using the machine again. Make sure the engine stops when the park brake is not engaged and the operator leaves the seated position. Check that the engine stops if the mower blades brake, contact the Husqvarna service workshop. IMPORTANT
  • Husqvarna RZ4622 | Owners Manual - Page 39
    Check tire pressures Anti-scalp Rollers IMPORTANT INFORMATION Adjust anti-scalp rollers with the mower on a flat level surface. Anti-scalp rollers are properly adjusted when they . Do not adjust the rollers to support the deck. IMPORTANT INFORMATION To avoid deck damage, the anti-scalp rollers
  • Husqvarna RZ4622 | Owners Manual - Page 40
    inward on the idler arm to release the tension on the belt. 7. Carefully slip the belt over the top of the cutter housing pulleys and remove belt from the deck. 1 3 1. Belt shields 2. Belt guide 3. Idler arm Removing the deck belt 2 1 Deck Belt Installation NOTE: For ease in installing the deck
  • Husqvarna RZ4622 | Owners Manual - Page 41
    with a heavy cloth when handling. The sharpening of blades should be carried out by an authorized service workshop. Check the blades Blade replacement 1. Remove blade bolt by turning counterclockwise. 2. Install new or resharpened blade with stamped GRASS SIDE facing towards ground/grass (down
  • Husqvarna RZ4622 | Owners Manual - Page 42
    . The deck should be adjusted slightly higher in the rear. NOTE: To insure accuracy of leveling procedure, mower deck drive belt must be installed prior to leveling deck. 1. Wear heavy gloves. Turn each blade tip to align side to side. 2. Measure from the floor surface up to the bottom of the
  • Husqvarna RZ4622 | Owners Manual - Page 43
    take the unit to your dealer for service. Foam filled tires or solid tires models fitted with a cleanout port, attach the quick connect (from the accessory packet) to any garden hose. After mowing, snap the hose to the cleanout port and turn on water supply. Restart the mower and engage the blades
  • Husqvarna RZ4622 | Owners Manual - Page 44
    away excess grease after lubrication. It is important to avoid getting lubricant on the belts or the drive surfaces on the belt pulleys. Should this happen, attempt to clean them with spirits. If the belt continues to slip after cleaning, it must be replaced. Gasoline or other petroleum products
  • Husqvarna RZ4622 | Owners Manual - Page 45
    minimal lubrication and remove excess lubricant so that is does not come into contact with belts or belt pulley drive surfaces. Deck Spindles Lower the cutting deck completely. If a grease gun without rubber changes. If a leak occurs, replace the unit or contact your Husqvarna dealer. 8058-136 45
  • Husqvarna RZ4622 | Owners Manual - Page 46
    TROUBLESHOOTING Problem Engine will not start Starter does not turn the engine over Engine runs rough Engine seems weak Machine vibrates Cause • Blade switch is Carburetor incorrectly adjusted • Air trapped in hydraulic system • Blades are loose • Blades are incorrectly balanced • Engine is loose
  • Husqvarna RZ4622 | Owners Manual - Page 47
    TROUBLESHOOTING Problem Cause Engine overheats • Clogged air intake or cooling fins • Engine • Air trapped in hydraulic system Mower deck not engaging • Drive belt for the mower deck has come loose • Contact for the electromagnetic coupling has loosened • Blade switch is faulty or has come
  • Husqvarna RZ4622 | Owners Manual - Page 48
    mower deck to avoid corrosion. 2. Inspect the machine for worn or damaged parts the cylinder. Turn over the engine Service When ordering spare parts, please specify the purchase year, model, type, and serial number. Always use genuine Husqvarna spare parts. An annual check-up at an authorized service
  • Husqvarna RZ4622 | Owners Manual - Page 49
    SCHEMATICS 49
  • Husqvarna RZ4622 | Owners Manual - Page 50
    DATA Torque Specifications Engine crankshaft bolt Deck pulley bolts Lug nuts Blade bolt 50 ft/lb (67 Nm) 150 ft/lb (203 inches, fine or coarse thread) ¼ 9 12 13 18 5/16 18 24 28 38 3/8 31 42 46 62 7/16 50 68 75 108 ½ 75 102 115 156 9/16 110 150 165 224 5/8 150 203
  • Husqvarna RZ4622 | Owners Manual - Page 51
    Blades Blade Length Anti-scalp Rollers Sprung Seat Hour Meter Blade brake 11 x 4-5 18 x 8.5-8 15 PSI / 103 kPa / 1 bar 46" / 117cm 1.5 - 4" / 3.8 - 10.2 cm 0 2 15" / a typical production engine for the engine model measured to SAE standard J1349/ISO1585. owner manual for engine specifications. 51
  • Husqvarna RZ4622 | Owners Manual - Page 52
    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. 52
  • Husqvarna RZ4622 | Owners Manual - Page 53
    : The safety switch for the parking brake The safety switch for the mower deck The safety switch in the seat The safety switch in the steering controls Parking brake functionality Driving forward Driving backward Engaging the blades Check the idle speed Check the engine high idle speed Inform the
  • Husqvarna RZ4622 | Owners Manual - Page 54
    JOURNAL Action After the First 10 Hours Change engine oil Date, mtr reading, stamp, sign q Action 25-Hour Service Check the fuel pump's air filter Sharpen/Replace mower blades if required Check the tire pressures Check battery with cables Lubricate according to lubrication chart Check/clean the
  • Husqvarna RZ4622 | Owners Manual - Page 55
    parking brake Date, mtr reading, stamp, sign q q q q q Action 100-Hour Service Perform the 25-hour service Perform the 50-hour service Change the engine oil filter Clean/replace the spark plugs Replace the fuel filter Check V-belts Check tighten caster wheel axle bolts (every 200 hours) Change the
  • Husqvarna RZ4622 | Owners Manual - Page 56
    JOURNAL Action 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 foam pre-filter Date, mtr reading,
  • Husqvarna RZ4622 | Owners Manual - Page 57
    Action SERVICE JOURNAL Date, mtr reading, stamp, sign 57
  • Husqvarna RZ4622 | Owners Manual - Page 58
    Action SERVICE JOURNAL Date, mtr reading, stamp, sign 58
  • Husqvarna RZ4622 | Owners Manual - Page 59
  • Husqvarna RZ4622 | Owners Manual - Page 60
    115 500128 Rev A www.husqvarna.com 2012-06-01
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Operator Manual
Please read the operator’s manual carefully and make sure you
understand the instructions before using the machine.
Gasoline containing up to 10% ethanol (E10) is
acceptable for use in this machine.The use of any
gasoline exceeding 10% ethanol (E10) will void
the product warranty.
RZ4622T / 967176201