Husqvarna RZ5424 / 966659301, RZ4623 / 966678201, RZ4824F / 966678301, RZ4621 General Maintenance

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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. Clean oil or fuel spillage and remove any fuel-soaked debris. Allow machine to cool before storing.

•If you strike a foreign object, stop and inspect the machine. Repair, if necessary, before restarting.

•Never make any adjustments or repairs with the engine running.

•Check grass catcher components and the discharge guard frequently 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.

•Do not modify safety equipment. Check regularly to be sure it works properly. The machine must not be driven with defective or unmounted protective plates, protective cowlings, safety switches, or other protective devices.

•Do not change the settings of governors and avoid running the engine with overly high engine speeds. If you run the engine too fast, you risk damaging the machine components.

•Be very careful when handling battery acid. Acid on skin can cause serious corrosive burns. If you spill battery acid on your skin, rinse immediately with water.

•Acid in the eyes can cause blindness, contact a doctor immediately.

•Be careful when servicing the battery. Explosive gases form in the battery. Never perform maintenance on the battery when smoking or near open flames or sparks.

•The battery can explode and cause serious injury or damage.

•Ensure that nuts and bolts, especially the fastening bolts for the blade attachments, are properly tightened, torqued and that the equipment is in good condition.

8011-515

Never drive the machine in an enclosed space

WARNING!

Use protective glasses for maintenance work.

WARNING!

The battery contains lead and lead compounds, chemicals that are considered to cause cancer, birth defects, and other reproductive system damage. Wash your hands after handling the battery.

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Contents Operator Manual All rights reserved Contents Page Introduction Good Service Manufacturing NumberSymbols and decals Xxxx xxxxxx xxxxx xxxx Xxxxxx xxxxxxxxx. xx xxxxxxxxManual General Operation SafetySafety Instructions Never take passengers Personal Safety Equipment Slope OperationChildren Safe Handling of Gasoline General Maintenance Risk of sparking Regularly clean deck TransportControls Control LocationsSteering Control Levers Throttle Control Blade SwitchParking Brake Fuses Ignition SwitchChoke Control Fuel Tank Always raise the deck to the highest position for transport Cutting Height AdjusterFuel Shut Off Valve Tracking Knob Seat Adjustment LeverHour Meter Training SteeringBefore Starting Starting the EngineSet the throttle Turn to the start position To remove cables, reverse order Weak BatteryJumper Cables Running Secure selected cutting heightOperating On Hills Mowing Tips Stopping the Engine Disengage the mower deck and move throttle to minimumManual Transport Daily Maintenance interval Least Hours Once Each MaintenanceMaintenance Schedule Before After Year 100 300Daily At least Maintenance Once Interval Each Hours Year Before After 100 300Battery Replacing batterySafety System Fuel Pump Air FilterTire Pressures Deck Belt Deck belt installationBelts Blade replacement Cutting BladesAdjusting the Mower Deck Leveling deckAnti-scalp Rollers Caster Wheels CleaningUse protective glasses when cleaning and washing HardwareLubrication GeneralDeck Spindles Front Wheel MountFront Wheel Bearings TransmissionTroubleshooting Troubleshooting Winter Storage ServiceStorage Schematics Transmission Technical DataRZ4222F RZ4621 RZ4621 BF RZ4621 CA Engine Dimension RZ4222F RZ4621 RZ4621 BF RZ4621 CA FrameRZ4623 RZ4824F Engine RZ4623 RZ4824F Frame RZ5424 Engine Dimensions RZ5424 FrameStandard Hardware Torque SpecificationsAccessories Metric Standard HardwareCONForMITY Certificates USA requirementsService Journal Delivery ServiceHour Service After the First 10 HoursPerform the 25-hour service At Least Once Each Year Service Journal Page 115 384327R1 08/26/10

RZ4222F / 966659401, RZ4621 BF / 966676501, RZ4621, RZ4621 CA, RZ4824F / 966678301 specifications

Husqvarna has long been a leader in outdoor power equipment, and its line of zero-turn mowers epitomizes innovation and performance. Among their notable models are the Husqvarna RZ4222F, RZ4621, RZ4824F, and RZ4621 BF, each designed to offer professional-grade results for both residential and commercial users.

The Husqvarna RZ4222F (966659401) features a robust 22 HP engine, providing ample power for tackling tough mowing tasks. With a 42-inch cutting deck, it balances maneuverability and efficiency, making it ideal for medium to large lawns. The RZ4222F is equipped with a dual hydrostatic transmission, allowing for smooth operation and improved control on varied terrain. Its ergonomic design includes an adjustable seat and easy-to-reach controls, ensuring comfort during extended use.

Moving on to the Husqvarna RZ4621, this model offers a 21 HP engine paired with a 46-inch cutting deck. It incorporates a commercial-grade hydrostatic transmission, providing exceptional speed and precision. The RZ4621 is admired for its advanced cutting technology, which delivers a clean and even cut thanks to its reinforced cutting deck. Its compact design enhances maneuverability in tight spaces, making it a versatile option for any landscaping challenge.

For those requiring a more powerful machine, the Husqvarna RZ4824F (966678301) stands out with its 24 HP engine and a 48-inch cutting deck. This model harnesses premium features like a heavy-duty frame, high-speed settings, and a wide range of cutting height adjustments, ensuring optimal performance in various conditions. The RZ4824F demonstrates Husqvarna's commitment to durability, offering an impressive lifespan even under rigorous usage.

Lastly, the RZ4621 BF (966676501) integrates advanced features aimed at user convenience and efficiency. With its durable construction and powerful engine, it excels in delivering professional-grade results. The RZ4621 BF is designed with user-friendly controls and enhanced visibility, allowing operators to maintain focus on their mowing tasks.

Each of these Husqvarna mowers features a blend of innovative technologies and user-oriented design. They are equipped with maintenance-friendly features like easy-to-access oil and filter replacements, ensuring longevity and reliability. The combination of power, precision, and comfort makes the Husqvarna RZ series a favored choice among homeowners and landscaping professionals alike. Whether you need a compact model for residential use or a robust machine for commercial applications, Husqvarna's range has a solution to meet your needs, ensuring a beautiful, well-manicured lawn with every pass.
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