Husqvarna RZ4222F / 966659401, RZ4621 CA manual Maintenance Schedule, Before After Year 100 300

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MAINTENANCE

Maintenance Schedule

The following is a list of maintenance procedures that must be performed on the machine. For those points not described in this manual, visit an authorized service workshop. An annual service carried out by

an authorized service workshop is recommended to maintain your machine in the best possible condition and to ensure safe operation.

Read Maintenance in the Safety section.

 

Daily

At

Maintenance interval

 

 

 

least

in hours

 

 

 

 

 

once

 

 

 

 

 

 

 

 

 

 

 

 

 

 

each

 

 

 

 

MAINTENANCE

Before

After

year

25

50

100

300

 

 

 

 

 

 

 

 

Check the parking brake

 

 

 

 

 

 

Check the engine’s oil level (every refueling)

 

 

 

 

 

 

Check the safety system

 

 

 

 

 

 

Check for fuel and oil leakages

 

 

 

 

 

 

Check/clean the engine’s cooling air intake

 

 

 

 

 

 

Check the mower deck

 

 

 

 

 

 

Check for loose hardware (screws, nuts)

 

 

 

 

 

 

Clean under the mower deck

 

 

 

 

 

 

Start the engine and blades, 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’s pre-filter 2) (foam)

 

 

 

 

 

Clean the air cleaner’s filter cartridge 2) (paper filter)

 

 

 

 

 

 

Check/adjust the parking brake

 

 

 

 

 

Inspect muffler/spark arrester

 

 

 

 

 

1)First change after 8-10 hours. When operating with a heavy load or at high ambient temperatures, replace every 50 hours. 2) In dusty conditions, cleaning and replacement are required more often. 3) Performed by authorized service workshop.

= Described in this manual

= Not described in this manual

= Refer to the engine manufacturer's manual

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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 Safety Instructions SafetyGeneral Operation 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 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 Training SteeringBefore Starting Starting the EngineSet the throttle Turn to the start position Jumper Cables Weak BatteryTo remove cables, reverse order 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 Belts Deck belt installationDeck Belt 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 Storage ServiceWinter Storage Schematics RZ4222F RZ4621 RZ4621 BF RZ4621 CA Engine Technical DataTransmission 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.