Husqvarna 6521RS owner manual HOW to USE Your Lawn Mower

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The operation of any lawn

mower can result in foreign objects thrown into the eyes, which can result in severe eye damage. Always wear

safety glasses or eye shields while oper- ating your lawn mower or performing any adjustments or repairs. We recommend a standard safety glasses or wide vision safety mask worn over spectacles.

HOW TO USE YOUR LAWN MOWER

ENGINE SPEED

The engine speed was set at the factory for optimum performance. Speed is not adjustable.

ENGINE ZONE CONTROL

CAUTION: Federal regulations require an engine control to be installed on this lawn mower in order to minimize the risk of blade contact injury. Do not under any circumstances attempt to defeat the function of the operator control. The blade turns when the engine is running.

•Your lawn mower is equipped with an operator presence control bar which requires the operator to be positioned behind the lawn mower handle to start and operate the lawn mower.

DRIVE CONTROL

•Self-propelling is controlled by hold- ing the operator presence control bar down to the handle and pulling the drive control lever rearward to the handle. The farther toward the handle the lever is pulled, the faster the unit will travel.

•Forward motion will stop when either the operator presence control bar or drive control lever are released. To stop forward motion without stopping engine, release the drive control lever only. Hold operator presence control bar down against handle to continue mowing

without self-propelling.

NOTE: If after releasing the drive control the mower will not roll backwards, push the mower forward slightly to disengage drive wheels.

DRIVE CONTROL ADJUSTMENT

Over time, the drive control system may become “loose”, resulting in decreased speed. There is a turnbuckle on the drive control housing to increase tension on the drive cable. Proceed as follows:

1.Turn unit off and disconnect spark plug wire from spark plug.

2.Rotate turnbuckle on drive control to increase drive speed.

3.Operate mower to test drive speed. Readjust as required.

4.If condition fails to improve after the above steps (forward speed remains the same), your drive belt is worn and should be replaced.

Adjustment turnbuckle

TO ADJUST CUTTING HEIGHT

Raise wheels for low cut and lower wheels for high cut, adjust cutting height to suit your requirements. Medium position is best for most lawns.

•To change cutting height, squeeze ad- juster lever toward wheel. Move wheel up or down to suit your requirements.

Be sure all wheels are in the same set- ting.

NOTE: Adjuster is properly positioned when plate tab inserts into hole in lever. Also, 9-position adjusters (if so equipped) allow lever to be positioned between the plate tabs.

LEVER BACKWARD

Plate tab

TO LOWER MOWER

 

LEVER FORWARD TO RAISE MOWER Lever

Operator presence control bar

Drive control

 

lever

TO

ENGAGEDRIVE

DRIVECONTROL

CONTROLDISENGAGED

TO ATTACH GRASS CATCHER

1.Lift the rear door of the lawn mower and place the grass catcher frame side hooks onto the door pivot pins.

2.The grass catcher is secured to the

lawn mower housing when the rear door is lowered onto the grass catcher

8frame.

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Contents Rotary Lawn Mower Table of Contents Safety RulesGeneral Service III. ChildrenIV. Safe Handling of Gasoline Do notWarranty Limited WarrantyProduct Specifications AccessoriesToremovemowerfromcarton Assembly / PRE-OPERATIONHOW to SET UP Your Mower Meets Cpsc Safety Requirements OperationKnow Your Lawn Mower Starting a cold engineHOW to USE Your Lawn Mower To Empty Grass Catcher Side DischargingTo Convert Mower Rear BaggingTo Start Engine Before Starting EngineTo Stop Engine Mowing Tips Mulching Mowing TipsMaintenance Lubrication ChartGeneral Recommendations Before Each USELawn Mower Engine AIR FilterMuffler Spark PlugService and Adjustments CleaningRear Deflector To Remove Drive BeltTo Adjust Handle StorageCarburetor HandleProblem Cause Correction OtherFuel System Engine OILQualified service center Catcher not venting air Clean grass catcherBelt off of pulley Check/reinstall drive belt Worn, bent or loose blade Replace blade. TightenRepair Parts KEY Part Page KEY Part Description Page 532 41 37-72 Rev 03.27.07 by

6521RS specifications

The Husqvarna 6521RS is a versatile and powerful lawn mower, designed for homeowners who seek an efficient tool for their yard maintenance tasks. This model stands out with its exceptional features, technologies, and characteristics, making it a popular choice for both novice and experienced users.

At the heart of the Husqvarna 6521RS is its robust 163cc engine, which delivers strong power and performance while ensuring fuel efficiency. The engine is designed to start easily and operate smoothly, providing users with a seamless mowing experience. The mower features a 21-inch steel cutting deck, ensuring a wider cutting path that reduces the time spent mowing, perfect for medium to large sized lawns.

One of the standout features of the 6521RS is its Smart Start technology, which ensures that the mower starts quickly and with minimal effort, allowing users to focus on the task at hand without frustration. This technology works in conjunction with an air purge system that removes air from the carburetor and fuel system, promoting easier engine start-up.

The adjustable cutting height on the Husqvarna 6521RS ranges from 1 inch to 4 inches, allowing users to customize their mowing height to achieve the perfect lawn finish. The easy-to-use lever allows for quick adjustments, accommodating various grass types and seasonal changes.

Additionally, the mower is equipped with a rear-wheel drive system, which enhances its maneuverability and traction. This feature is especially beneficial when navigating around obstacles or mowing on uneven terrain, providing better control and stability.

For added convenience, the Husqvarna 6521RS comes with a foldable handle, making it easy to store the mower in compact spaces. This ergonomic design not only saves space but also ensures comfort during extended use, minimizing user fatigue.

The mower's durable construction is designed to withstand the rigors of frequent use. The robust materials and high-quality components contribute to a longer lifespan, making the 6521RS a worthwhile investment for homeowners.

Overall, the Husqvarna 6521RS combines performance, convenience, and durability, making it ideal for anyone looking to maintain a beautiful lawn with minimal effort. Whether you’re tackling a small patch or a larger yard, this mower is equipped to handle the job efficiently.
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