Husqvarna WH5218 / 966638603, WH4818 / 966638602 manual Cutting Blades, Blade replacement

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MAINTENANCE

Cutting Blades

WARNING!

Blades are sharp. Protect your hands with gloves and/or wrap blades with a heavy cloth when handling.

To achieve the best mowing effect, the blades must be well sharpened and not damaged.

Bent or cracked blades or blades with large nicks should be replaced.

Damaged blades should be replaced when hitting obstacles that result in a breakdown. Let the service workshop decide whether the blade can be repaired/ ground or must be replaced.

Balance the blades after sharpening. Check the blade mounts.

Blade replacement

Remove blade bolt by turning counterclockwise.

Install new or resharpened blade with stamped “GRASS side” facing towards ground/grass (down) or “THIS SIDE UP” facing deck and cutter housing.

Install and tighten blade bolt securely. Tighten torque 90 ft/lb (122 Nm).

IMPORTANT INFORMATION

Special blade bolt is heat treated. Replace with a Husqvarna bolt if required. Do not use lower grade hardware than specified.

8062-016

Check the cutting blades

IMPORTANT INFORMATION

The sharpening of blades should be carried out by an authorized service workshop.

8062-017

Blade attachment

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Contents Operator Manual All rights reserved Contents Page Congratulations IntroductionGeneral Driving and Transport on Public RoadsManufacturing Number Good ServiceSymbols and decals General Operation SafetySlope Operation Personal Safety EquipmentChildren Safe Handling of Gasoline General Maintenance Transport Control Locations ControlsIgnition Switch Recoil Starter GripDrive Levers Operator Presence Switches Ground Speed ControlChoke Control Tracking Adjustment Throttle ControlNeutral Lock Parking Brake Service MeterBlade Engagement Control OptionalFuel Tank Fuel Shutoff ValveBefore Starting OperationStarting the Engine Speed control in the start position Reverse RunningTracking Operating on HillsMowing Tips Emergency Stop StoppingNormal operating stop Stopping the EngineShut OFF the fuel valve Cutting Height Table Cutting Height AdjustmentCutting Height Table It may be necessary to readjust drive and brake linkagesMaintenance Schedule MaintenanceDaily Maintenance interval Least Hours Once Each Before AfterMaintenance Function Check Safety SystemTire Pressures Deck BeltReplacing belt Cutting Blades Blade replacementHardware CleaningUnder side of rear deck WashingGeneral Lubrication Front Wheel MountFront Wheel Bearings Problem Cause TroubleshootingTroubleshooting Winter Storage ServiceLower Harness Harness Adapter Upper Harness Technical Data WH5218 Engine HEX Head CAP Screws USA requirements CONForMITY CertificatesDelivery Service Service JournalAfter the first 8 hours Hour ServicePerform the 25-hour service At Least Once Each Year Service Journal Page 115 392127R1 09/14/10

WH3616 / 966638601, WH4818 / 966638602, WH5218 / 966638603 specifications

Husqvarna has established itself as a leader in outdoor power equipment, and their range of brushcutters is no exception. Among their most notable models are the WH5218, WH4818, and WH3616, each boasting impressive features, advanced technologies, and robust characteristics suited for various applications.

The Husqvarna WH5218 (966638603) stands out with its powerful 2-stroke engine, providing exceptional performance and fuel efficiency. This model is designed for heavy-duty tasks, making it ideal for professional landscapers and homeowners alike. Its ergonomic design ensures user comfort during prolonged use, while the adjustable handlebar allows for optimal control, enabling precision cutting in hard-to-reach areas. The vibration-dampening system enhances overall comfort, reducing fatigue and allowing users to tackle larger projects with ease.

Next in the lineup is the WH4818 (966638602), which balances power and versatility. This model features a robust engine that delivers reliable performance, making it suitable for both professional and amateur gardeners. The lightweight design makes it easy to maneuver, while the intuitive controls enhance user experience. The WH4818 also incorporates Husqvarna’s Smart Start technology, which facilitates easier starting with minimal effort. This brushcutter is equipped with a dual-line cutting system that provides exceptional cutting efficiency, allowing for neat and tidy trimming in various terrains.

The WH3616 (966638601) represents a more compact option without compromising on performance. Equipped with a user-friendly interface and a sturdy engine, this model is perfect for those seeking a reliable tool for residential use. Its lightweight chassis allows for easy portability, making it an excellent choice for homeowners set on maintaining their gardens. The WH3616 is designed with an auto-return stop switch, ensuring the engine is ready to start whenever the user is prepared to go to work.

All three Husqvarna models are engineered with durability in mind, featuring high-quality materials and construction to withstand harsh working conditions. With advanced features like anti-vibration systems, adjustable handles, and efficient cutting mechanisms, the WH5218, WH4818, and WH3616 deliver exceptional performance and comfort. Whether for professional landscaping or home maintenance, these brushcutters provide the perfect blend of power, ease of use, and reliability, making them indispensable tools in any outdoor toolkit. Husqvarna continues to set the standard for outdoor equipment, providing users with innovative solutions to meet their cutting needs.
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