Husqvarna RZ4222F / 966659401, RZ5424 / 966659301, RZ4621 Adjusting the Mower Deck, Leveling deck

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MAINTENANCE

Adjusting the Mower Deck

Leveling deck

Adjust the deck while the mower is on a level surface. Make sure the tires are inflated to the correct pressure. See “Technical Data” under Transmission. If tires are under or over inflated, the deck cannot be properly adjusted.

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 outer blade tip to align with the deck or in a side-to-side manner.

2.Measure from the floor surface up to the bottom of the blade tip on the discharge side of the mower deck. Retain this measurement.

3.Move to the opposite side, check that measurement is the same. If adjustment is required—with a ¾" or adjustable wrench, turn the lift link adjustment nuts on either side counter clockwise to lower or clockwise to raise. Adjust until both side-to-side measurements are equal.

4.Turn any blade to align with the deck in front- to-rear manner. If the front blade tip does not measure 1/8" to ½" higher in the rear, follow the front adjustment instructions that follow.

5.With a 5/8 or adjustable wrench, turn the nuts on the front suspension linkage. Clockwise raises the front of the mower, counterclockwise will lower the front. Adjust nuts until rear of mower deck is positioned level to 1/8" higher in the rear than the side-to-side measurement.

NOTE: This will place the mower deck in a base measurement position. Additional adjustment may be required to achieve desired cut for the type of grass or conditions being mowed.

8058-030

Lift link adjustment nut

8058-031

Deck front adjustment nuts

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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 General Operation SafetySafety Instructions 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 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 Steering TrainingStarting the Engine Before StartingSet the throttle Turn to the start position To remove cables, reverse order Weak BatteryJumper Cables 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 Deck Belt Deck belt installationBelts 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 Winter Storage ServiceStorage Schematics Transmission Technical DataRZ4222F RZ4621 RZ4621 BF RZ4621 CA Engine 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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