Husqvarna RZ4824F / 966678301, RZ5424 / 966659301, RZ4621 CA Safety System, Fuel Pump Air Filter

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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:

1.The mower deck is disengaged.

2.The steering controls are in the outer, locked neutral position.

3.The parking brake is on.

Make daily inspections to ensure that the safety system works by attempting to start the engine when one of the conditions is not met. Change the conditions and try again.

If the machine starts when one of these conditions is not met, 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 are engaged and the driver temporarily moves off the drivers seat.

8058-026

Steering controls locked in neutral

IMPORTANT INFORMATION

In order to be able to drive, the driver must sit in the seat and release the parking brake before the steering controls can be moved into the neutral position, otherwise the engine will stop.

Fuel Pump Air Filter

Regularly check that the fuel pump’s air filter is free from dirt.

Remove the screws and open the pump, no hoses need be removed.

The filter can be cleaned with a brush if necessary. Replace the filter on the console.

8009-147

Fuel pump air filter

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Contents Operator Manual All rights reserved Contents Page Introduction Manufacturing Number Good ServiceXxxx xxxxxx xxxxx xxxx Xxxxxx xxxxxxxxx. xx xxxxxxxx Symbols and decalsManual Safety Instructions SafetyGeneral Operation Never take passengers Slope Operation Personal Safety EquipmentChildren Safe Handling of Gasoline General Maintenance Risk of sparking Transport Regularly clean deckControl Locations ControlsSteering Control Levers Parking Brake Blade SwitchThrottle Control Choke Control Ignition SwitchFuses Fuel Tank Fuel Shut Off Valve Cutting Height AdjusterAlways raise the deck to the highest position for transport Hour Meter Seat Adjustment LeverTracking Knob Steering TrainingStarting the Engine Before StartingSet the throttle Turn to the start position Jumper Cables Weak BatteryTo remove cables, reverse order Secure selected cutting height RunningOperating On Hills Mowing Tips Disengage the mower deck and move throttle to minimum Stopping the EngineManual Transport Maintenance Schedule MaintenanceDaily Maintenance interval Least Hours Once Each Before After Year 100 300Before After 100 300 Daily At least Maintenance Once Interval Each Hours YearReplacing battery BatteryFuel Pump Air Filter Safety SystemTire Pressures Belts Deck belt installationDeck Belt Cutting Blades Blade replacementLeveling deck Adjusting the Mower DeckAnti-scalp Rollers Use protective glasses when cleaning and washing CleaningCaster Wheels HardwareGeneral LubricationFront Wheel Bearings Front Wheel MountDeck Spindles TransmissionTroubleshooting Troubleshooting Storage ServiceWinter Storage Schematics RZ4222F RZ4621 RZ4621 BF RZ4621 CA Engine Technical DataTransmission RZ4222F RZ4621 RZ4621 BF RZ4621 CA Frame DimensionRZ4623 RZ4824F Engine RZ4623 RZ4824F Frame RZ5424 Engine RZ5424 Frame DimensionsAccessories Torque SpecificationsStandard Hardware Metric Standard HardwareUSA requirements CONForMITY CertificatesDelivery Service Service JournalAfter the First 10 Hours Hour ServicePerform 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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