TABLE OF CONTENTS

Safety Rules

2-3

Maintenance

12-15

Warranty

4

Service and Adjustments

15-16

Product Specifi cations

5

Storage

16-17

Assembly / Pre-Operation

6

Troubleshooting

17-18

Operation

7-11

Repair Parts

36-39

Maintenance Schedule

12

 

 

SAFETY RULES

IMPORTANT: This cutting machine is capable of amputating hands and feet and throwing ob- jects. Failure to observe the following safety instructions could result in serious injury or death.

Look for this symbol to point out im- portant safety precautions. It means CAUTION!!! BECOME ALERT!!!

YOUR SAFETY IS INVOLVED.

WARNING: In order to prevent accidental starting when setting up, transporting, ad- justing or making repairs, always disconnect spark plug wire and place wire where it cannot come in contact with plug.

WARNING: Engine exhaust, some of its constituents, and certain vehicle compo- nents contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. WARNING: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.

CAUTION: Muffler and other engine parts become extremely

hot during operation and remain hot after engine has stopped. To avoid severe burns on contact, stay away from these areas.

I. GENERAL OPERATION

Read, understand, and follow all instructions on the machine and in the manual(s) before starting. Be thoroughly familiar with the controls and the proper use of the machine before starting.

Do not put hands or feet near or under rotating parts. Keep clear of the dis- charge opening at all times.

Only allow responsible individuals, who are familiar with the instructions, to operate the machine.

Clear the area of objects such as rocks, toys, wire, bones, sticks, etc., which could be picked up and thrown by blade.

Be sure the area is clear of other people before mowing. Stop the machine if anyone enters the area.

Do not operate the mower when bare- foot or wearing open sandals. Always wear substantial foot wear.

Do not pull mower backwards unless abso- lutely necessary.Always look down and be- hind before and while moving backwards.

Never direct discharged material toward anyone. Avoid discharging material against a wall or obstruction. Material may richochet back toward the operator. Stop the blade when crossing gravel surfaces.

Do not operate the mower without prop- er guards, plates, grass catcher or other safety protective devices in place.

See manufacturer’s instructions for proper operation and installation of accessories. Only use accessories ap- proved by the manufacturer.

Stop the blade(s) when crossing gravel drives, walks, or roads.

Stop the engine (motor) whenever you leave the equipment, before cleaning the mower or unclogging the chute.

Shut the engine (motor) off and wait until the blade comes to complete stop before removing grass catcher.

Mow only in daylight or good artifi cial light.

Do not operate the machine while under the influence of alcohol or drugs.

Never operate machine in wet grass. Always be sure of your footing: keep a firm hold on the handle; walk, never run.

Disengage the self-propelled mech- anism or drive clutch on mowers so equipped before starting the engine.

If the equipment should start to vibrate abnormally, stop the engine (motor) and check immediately for the cause. Vibra- tion is generally a warning of trouble.

Alwayswearsafetygogglesorsafetyglass- es with side shields when operating mower.

II. SLOPE OPERATION

Slopes are a major factor related to slip & fall accidents which can result in severe injury. All slopes require extra caution. If

2 you feel uneasy on a slope, do not mow it.

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Husqvarna 6521RS owner manual Table of Contents, Safety Rules

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.