Husqvarna WH3616 / 966638601, WH5218 / 966638603 Maintenance Schedule, Before After, 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

 

 

 

 

 

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 5-8 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) For daily use, the machine should be lubricated twice weekly. 4) 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 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 ControlsDrive Levers Ignition SwitchRecoil Starter Grip Choke Control Operator Presence SwitchesGround Speed Control Neutral Lock Tracking AdjustmentThrottle Control 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 SystemReplacing belt Tire PressuresDeck Belt Cutting Blades Blade replacementHardware CleaningUnder side of rear deck WashingGeneral Front Wheel Bearings LubricationFront Wheel Mount 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.