Husqvarna W21K, W21SK, W21SBK, W53SBEK, W53SEK, W21KC, W21SKC, W21SBKC manual Blade replacement

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MAINTENANCE

Blade replacement:

WARNING!

The blade is sharp. Protect your hands with gloves and / or wrap the blade with a heavy cloth when handling.

•Remove blade bolt by turning counterclockwise.

IMPORTANT INFORMATION

To ensure proper assembly, center hole in blade must align with star on cutter housing.

•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. Torque blade bolt to 45-55 ft/lbs (60-75 Nm).

IMPORTANT INFORMATION Special blade bolt is heat treated. Replace with Husqvarna bolt if required.

Do not use lower grade hardware than specified.

Gear Case

•To keep our drive system working properly, the gear case and area around the drive should be kept clean and free of trash build-up. Clean under the drive cover twice a season.

•The gear case is filled with lubricant to the proper level at the factory. The only time the lubricant needs attention is if the service has been performed on the gear case.

3
2
6	1
6
4
5
Blade assembly	8019-036

1.Blade

2.Blade Adapter

3.Key

4.Lockwasher

5.Blade Bolt

6.Hardened Washer

English-37

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Contents Operators Manual OPERATOR’S Manual Push Mower Safety InstructionsIntroduction Introduction Introduction Good Service Manufacturing NumberSymbols and Decals Symbols and DecalsXxxxxxx xxxx xxxxxxxx xxx Xxxx xxxxxx Distance from Safety Instructions Safety InstructionsGeneral Use Keep children away from the work area Do as follows Operating on SlopesDo not Maintenance ChildrenNever fill the fuel tank indoors Transport Customer responsibilities Controls ControlsFuel Shut Off Valve Engine SpeedOperator Presence Control OPC Choke Control All Models USE Full Throttle When MOWING, for best mower performanceThrottle Control All Models Blade Brake Control BBC Cutting height Ground Drive BailShut Off Engine To Convert Mower To Empty Grass CatcherEnglish-20 Operation Before Starting EngineTo Start Engine Transmission Selector MowingBlade in short cut grass or over a hard level Release OPC bail Self Propelled Models Only Set throttle control to high speed Push Models Only Mowing Tips Mulching Mowing Tips Maintenance MaintenanceMaintenance Schedule Before Each Use General RecommendationsIgnition System Checking the Engines Cooling Air Intake Checking and Adjusting the Throttle Cable and Choke Cable Replacing Air Filter InspectionChecking Tires Replacing the Fuel FilterDrive Wheels Checking the V-belts Always use protective gloves when handling the bladeChecking the Blade Blade replacement Gear CaseCleaning Clean Under Drive CoverGrass Catcher MufflerAdjusting the Lawn Mower To Adjust HandleRear Deflector To Remove Drive BeltCleaning and Washing Engine AdjustmentHardware English-41 Mower Lubrication Chart LubricationLubrication Engine LubricationTo Change Engine Oil Changing the Oil Filter Trouble Shooting Guide Trouble Shooting GuideProblem Cause English-45 112280 R2 03/06/07