Husqvarna 5521RSX owner manual Troubleshooting Points, Problem Cause Correction

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TROUBLESHOOTING POINTS

PROBLEM

 

CAUSE

 

CORRECTION

 

 

 

 

 

Does not start

1.

Dirty air fi lter.

1.

Clean/replace air fi lter.

 

2.

Out of fuel.

2.

Fill fuel tank.

 

3.

Stale fuel.

3.

Empty fuel tank and refi ll tank with fresh,

 

 

 

 

clean gasoline.

 

4.

Water in fuel.

4.

Empty fuel tank and refi ll tank with fresh,

 

 

 

 

clean gasoline.

 

5.

Spark plug wire is disconnected.

5.

Connect wire to plug.

 

6.

Bad spark plug.

6.

Replace spark plug.

 

7.

Loose blade or broken blade adapter.

7.

Tighten blade bolt or replace blade adapter.

 

8.

Control bar in released position.

8.

Depress control bar to handle.

 

9.

Control bar defective.

9.

Replace control bar.

 

10.

Fuel valve lever (if equipped) in OFF position.

10.

Turn fuel valve lever to the ON position.

 

11.

Weak battery (if equipped).

11.

Charge battery.

 

12.

Disconnected battery connector (if equipped).

12.

Connect battery to engine.

 

 

 

 

 

Loss of power

1.

Rear of lawn mower housing or cutting

1.

Raise cutting height.

 

 

blade dragging in heavy grass.

 

 

 

2.

Cutting too much grass.

2.

Raise cutting height.

 

3.

Dirty air fi lter.

3.

Clean/replace air fi lter.

 

4.

Buildup of grass, leaves and trash under

4.

Clean underside of mower housing.

 

 

mower.

 

 

 

5.

Too much oil in engine.

5.

Check oil level.

 

6.

Walking speed too fast.

6.

Cut at slower walking speed.

 

 

 

 

 

Poor cut –

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

uneven

2.

Wheel heights uneven.

2.

Set all wheels at same height.

 

3.

Buildup of grass, leaves and trash under

3.

Clean underside of mower housing.

 

 

mower.

 

 

 

 

 

 

 

Excessive

1.

Worn, bent or loose blade.

1.

Replace blade. Tighten blade bolt.

vibration

2.

Bent engine crankshaft.

2.

Contact a qualifi ed service center.

 

 

 

 

 

Starter rope

1.

Engine fl ywheel brake is on when control

1.

Depress control bar to upper handle before

hard to pull

 

bar is released.

 

pulling starter rope.

 

2.

Bent engine crankshaft.

2.

Contact a qualifi ed service center.

 

3.

Blade adapter broken.

3.

Replace blade adapter.

 

4.

Blade dragging in grass.

4.

Move lawn mower to cut grass or other

 

 

 

 

hard surface before starting.

 

 

 

 

 

Grass catcher

1.

Cutting height too low.

1.

Raise cutting height.

not filling

2.

Lift on blade worn off.

2.

Replace blade.

(if so equipped)

3.

Catcher not venting air.

3.

Clean grass catcher.

 

 

 

 

 

Hard to push

1.

Grass is too high or wheel height is too low.

1.

Raise cutting height.

 

2.

Rear of lawn mower housing or cutting

2.

Raise rear of lawn mower housing one (1)

 

 

blade dragging in heavy grass.

 

setting higher.

 

3.

Grass catcher too full.

3.

Empty grass catcher.

 

4.

Handle height position not right for you.

4.

Adjust handle height to suit.

 

 

 

 

 

Loss of drive

1.

Belt wear.

1.

Check/replace drive belt.

(or slowing of

2.

Belt off of pulley.

2.

Check/reinstall drive belt.

drive speed)

3.

Drive cable worn or broken.

3.

Put belt on pulleys / replace belts if broken.

 

4.

“Loose” drive control system.

4.

Adjust drive control.

 

 

 

 

 

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Contents 5521RSX Safe Operation Practices for Walk-Behind Mowers II. Slope OperationGeneral Operation III. ChildrenTable of Contents Assembly HOW to SET UP Your Lawn MowerTo Install Attachments To Remove Lawn Mower from CartonOperation Meets Cpsc Safety RequirementsKnow Your Lawn Mower HOW to USE Your Lawn Mower Drive Control AdjustmentEngine Speed Engine Zone ControlTo Empty Grass Catcher See Fig To Attach Grass Catcher See FigTo Convert Mower Before Starting Engine ADD OIL See FigMowing Tips ADD Gasoline See FigTo Stop Engine To Start Engine See FigMaintenance Lubrication ChartGeneral Recommendations Before Each USELawn Mower EngineCleaning Clean Under Drive CoverAIR Filter MufflerService and Adjustments To Adjust Cutting HeightRear Deflector To Remove Drive Belt See FigsTo Adjust Handle See Fig StorageCarburetor Handle See FigsOther Fuel SystemEngine OIL CylinderTroubleshooting Points Problem Cause CorrectionService Notes Page KEY Part Description Page KEY Part Description Husqvarna

5521RSX specifications

The Husqvarna 5521RSX is a high-performance lawn mower designed to deliver a superior cutting experience for homeowners and landscaping professionals alike. This walk-behind mower is engineered for durability, efficiency, and advanced cutting technology, making it a reliable choice for maintaining a pristine lawn.

One of the standout features of the 5521RSX is its powerful engine. Equipped with a reliable 163cc Honda engine, this mower provides ample power to tackle various grass types and conditions. Its robust build ensures that it can handle both small and medium-sized yards effortlessly. Additionally, the engine is designed for fuel efficiency, which not only helps the environment but also reduces the frequency of refueling, saving you time and money.

The cutting deck of the Husqvarna 5521RSX is another impressive aspect of its design. With a 21-inch cutting width, it makes trimming larger areas quicker without sacrificing precision. The cutting height is adjustable, allowing users to customize the mower for different grass lengths and types. This versatility is particularly helpful during changing seasons when grass growth can vary significantly.

In terms of technology, the Husqvarna 5521RSX features a rear-wheel drive system that enhances maneuverability and traction, especially on inclines or uneven terrain. This feature ensures that the mower can glide smoothly over various surfaces, enabling users to maintain control without straining effort. Furthermore, the foldable handle provides added convenience for storage and transportation, making it easy to tuck away when not in use.

Safety is also a priority in the design of the Husqvarna 5521RSX. The mower is equipped with an easy-to-access blade control feature that stops the blades when the user releases the handle, ensuring peace of mind during operation. Additionally, the sturdy construction and materials used in the mower's design contribute to its longevity, making it a worthwhile investment for those looking to enhance their lawn care routine.

Overall, the Husqvarna 5521RSX stands out with its combination of power, versatility, and technological advancements. Whether you are a seasoned landscaper or a weekend warrior, this mower is designed to meet your lawn care needs with ease, efficiency, and precision.
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