Husqvarna 87521RSX 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 Husqvarna 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 Husqvarna 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 87521RSX Safe Operation Practices for Walk-Behind Mowers II. Slope OperationGeneral Operation III. ChildrenTable of Contents Assembly HOW to SET UP Your MowerTo Install Attachments To Remove Mower from CartonOperation Meets Cpsc Safety RequirementsKnow Your Lawn Mower Engine Speed HOW to USE Your Lawn MowerEngine Zone Control To 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 EngineMaintenance Lubrication ChartGeneral Recommendations Before Each USELawn Mower Cleaning Clean Under Drive CoverEngine MufflerTo Adjust Cutting Height Service and AdjustmentsRear Deflector Carburetor StorageHandle See Figs Other Fuel SystemEngine OIL CylinderTroubleshooting Points Problem Cause CorrectionService Notes Page KEY Part Description Page KEY Part Description Warranty Statement

87521RSX specifications

The Husqvarna 87521RSX is a premium snow blower, designed for residential users who demand efficiency, reliability, and ease of use in their winter maintenance equipment. This powerful machine combines advanced engineering with user-friendly features, making it an excellent choice for tackling snow removal tasks in various conditions.

One of the standout features of the 87521RSX is its robust 208cc engine. This powerful motor provides the necessary muscle to clear snow quickly and efficiently, making it capable of handling heavy snowfall with ease. The electric start capability simplifies the operation process, allowing users to start the machine with the push of a button, eliminating the hassle of pull-starting in cold weather.

The snow blower boasts a 21-inch clearing width and a 12-inch intake height, allowing it to handle large volumes of snow in fewer passes. The adjustable discharge chute can pivot up to 180 degrees, giving users control over where the snow is thrown, which is essential for avoiding piles on driveways or walkways. The chute is also equipped with a manual deflector, enabling further customization in directing the snow.

The Husqvarna 87521RSX is engineered with a track drive system, which offers superior traction on slippery and uneven surfaces compared to standard wheel-driven snow blowers. This feature is particularly beneficial for users with steep driveways or challenging terrain, ensuring stability and control during operation.

For added comfort and convenience, the snow blower features ergonomic handles. The grips are designed for user comfort, even during extended periods of use. Additionally, the snow blower is equipped with LED headlights, providing visibility during early morning or evening snow removal, ensuring users can safely navigate their surroundings.

Built with durability in mind, the 87521RSX features a sturdy steel housing that can withstand rigorous use. This design choice not only enhances longevity but also helps maintain the machine's performance year after year.

Overall, the Husqvarna 87521RSX stands out in the snow blower market for its blend of power, technology, and ease of use. With its reliable engine, user-friendly features, and robust design, it is a smart investment for homeowners looking to efficiently manage snow removal during the winter months. Whether faced with light flurries or heavy snowstorms, the 87521RSX is engineered to perform, making winter maintenance a more manageable task.
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