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Husqvarna 55R21HV owner manual Troubleshooting Points, Problem Cause Correction

Models: 55R21HV

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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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Husqvarna 55R21HV owner manual Troubleshooting Points, Problem Cause Correction
Page 16 Page 18

55R21HV specifications

The Husqvarna 55R21HV is a powerful and versatile lawn mower, designed to deliver exceptional performance and ease of use for homeowners and gardening enthusiasts alike. This walk-behind mower boasts a range of features, technologies, and characteristics that set it apart from the competition.

At the heart of the Husqvarna 55R21HV is its robust engine. Powered by a reliable 163cc petrol engine, this mower ensures consistent and efficient cutting performance, allowing users to tackle various lawn conditions with ease. Its reliable starting mechanism and quiet operation make it an appealing choice for residential areas where noise levels are a concern.

One of the distinguishing features of the 55R21HV is its innovative cutting system. The mower is equipped with a 53 cm cutting deck that allows for a wide cutting path, improving productivity and reducing the time required for lawn maintenance. Moreover, the cutting height can be easily adjusted to five positions, ranging from 25 mm to 75 mm, providing the flexibility to achieve the desired lawn finish.

The Husqvarna 55R21HV also incorporates advanced technologies that enhance user experience. The AutoWalk™ self-propulsion system is a standout feature, allowing operators to control the mower's speed effortlessly. This technology adapts to the user's walking pace, ensuring a comfortable mowing experience without the need for strenuous effort.

Ergonomically designed, the 55R21HV features an adjustable handlebar that can be customized to suit the operator's height. This not only improves comfort but also reduces fatigue during extended mowing sessions. Additionally, the foldable handlebar allows for compact storage, making it convenient for homeowners with limited storage space.

When it comes to grass collection, the Husqvarna 55R21HV excels with its spacious 55-liter grass catcher bag. This large capacity reduces the need for frequent emptying, allowing users to cover more ground before needing to pause for maintenance. The mower also offers a mulching feature, which finely chops grass clippings and returns them to the lawn, promoting a healthier turf while reducing waste.

In terms of durability, the Husqvarna 55R21HV is constructed from high-quality materials, ensuring reliable performance season after season. Its robust design, combined with easy maintenance features, makes this mower a lasting investment for any homeowner.

In conclusion, the Husqvarna 55R21HV is a top choice for those seeking a reliable, efficient, and feature-packed lawn mower. Its powerful engine, versatile cutting system, ergonomic design, and advanced technologies make it an exceptional tool for maintaining a beautiful lawn with minimal effort. Whether you're a seasoned gardener or a newcomer to lawn care, the 55R21HV is designed to make your mowing experience enjoyable and effective.