Husqvarna 5521CHV User Manual (English)

Questions and Answers:

B
Brian ShieldsAug 20, 2025
Why Husqvarna 5521CHV does not start?
- M
  Marvin BrownAug 20, 2025
  Several factors can prevent your Husqvarna Lawn Mower from starting. These include a dirty air filter (clean or replace it), lack of fuel (fill the tank), stale or water-contaminated fuel (empty and refill with fresh gasoline), a disconnected spark plug wire (connect it), or a bad spark plug (replace it). Also, check for a loose or broken blade adapter (tighten or replace), ensure the control bar is depressed, and verify the fuel valve lever is in the ON position. For models with a battery, check if it's weak (charge it) or disconnected (connect it).
A
Alexander RodriguezAug 22, 2025
How to fix Husqvarna 5521CHV starter rope hard to pull?
- L
  Laura DunlapAug 22, 2025
  If the starter rope on your Husqvarna Lawn Mower is hard to pull, it could be due to a few reasons. Make sure the engine flywheel brake is not engaged by depressing the control bar to the upper handle before pulling. Also, the blade might be dragging in the grass, so move the mower to a clear surface before starting. Finally, a broken blade adapter can cause this issue, so consider replacing it.
S
smeyerAug 25, 2025
What to do if Husqvarna Lawn Mower cut is poor and uneven?
- A
  anthonyfreemanAug 25, 2025
  An uneven cut with your Husqvarna Lawn Mower can be caused by a worn, bent, or loose blade; replace the blade or tighten the blade bolt. Also, check that all wheel heights are set evenly. Buildup of grass, leaves, and trash under the mower can also contribute to an uneven cut, so clean the underside of the mower housing.
A
Angela ColemanAug 26, 2025
Why my Husqvarna 5521CHV Lawn Mower does not start?
- K
  Kimberly RogersAug 26, 2025
  If your Husqvarna Lawn Mower doesn't start, there are several potential causes. First, ensure the air filter is clean; if it's dirty, clean or replace it. Second, check the fuel level and fill the tank if it's empty. Stale or water-contaminated fuel can also prevent starting, so empty the tank and refill with fresh, clean gasoline. Make sure the spark plug wire is connected, and replace the spark plug if it's bad. Also, check the blade and blade adapter, tightening the blade bolt if loose or replacing the adapter if broken. Finally, ensure the control bar is depressed to the handle, and if equipped, the fuel valve lever is in the ON position, and the battery is charged and connected.
K
Kevin KirbyAug 28, 2025
What to do if Husqvarna 5521CHV Lawn Mower loses power?
- C
  Curtis MartinAug 28, 2025
  If your Husqvarna Lawn Mower loses power, it could be due to several reasons. The rear of the mower housing or blade might be dragging in heavy grass, or you might be cutting too much grass at once; in either case, raise the cutting height. A dirty air filter can also cause power loss, so clean or replace it. Check for buildup of grass, leaves, and trash under the mower and clean it if necessary. Also, ensure the engine doesn't have too much oil, and that you're not walking too fast while cutting.
M
Michael LopezAug 30, 2025
Why is my Husqvarna Lawn Mower losing power?
- J
  Joshua HarperAug 30, 2025
  Loss of power in your Husqvarna Lawn Mower can occur for several reasons. Check if the rear of the mower housing or cutting blade is dragging in heavy grass and raise the cutting height if necessary. Avoid cutting too much grass at once by also raising the cutting height. Ensure the air filter is clean, cleaning or replacing it if dirty. Remove any buildup of grass, leaves, and trash from under the mower housing. Verify that the engine oil level is correct, and reduce your walking speed while cutting.
D
Dr. David JonesSep 1, 2025
How to fix a hard to pull starter rope on Husqvarna 5521CHV?
- B
  Brandon ReidSep 1, 2025
  If your Husqvarna Lawn Mower's starter rope is hard to pull, it could be due to several reasons. Ensure the engine flywheel brake is not engaged by depressing the control bar to the upper handle before pulling the rope. Also, make sure the blade isn't dragging in the grass; move the mower to a cut area or hard surface before starting. If the blade adapter is broken, replace it.
K
Kelsey AlexanderSep 3, 2025
How to fix poor and uneven cut of Husqvarna 5521CHV Lawn Mower?
- C
  Carolyn ButlerSep 3, 2025
  Uneven cutting with your Husqvarna Lawn Mower can stem from a few issues. Examine the blade for wear, bending, or looseness; replace it if necessary and tighten the blade bolt. Ensure all wheel heights are set evenly. Also, clear any buildup of grass, leaves, or trash from underneath the mower housing.
C
Christopher BrownSep 5, 2025
Why is my Husqvarna 5521CHV hard to push?
- A
  Anthony TuckerSep 5, 2025
  If your Husqvarna Lawn Mower is hard to push, the grass might be too high, or the wheel height might be too low; raise the cutting height. The rear of the mower housing or blade dragging in heavy grass can also make it hard to push, so raise the rear of the mower housing one setting higher. Additionally, check if the grass catcher is too full and empty it if needed. Adjusting the handle height to suit you may also help.
K
Kelly BartonSep 7, 2025
What causes excessive vibration in Husqvarna Lawn Mower?
- J
  James HernandezSep 7, 2025
  Excessive vibration in your Husqvarna Lawn Mower is often caused by a worn, bent, or loose blade. Replace the blade and tighten the blade bolt.

Husqvarna 5521CHV Specifications

General

Brand	Husqvarna
Model	5521CHV
Category	Lawn Mower
Language	English

Summary

Safety Rules

General Operation Safety

General safety guidelines for operating the lawn mower.

Slope Operation Safety

Safety precautions for mowing on slopes.

Children Safety

Safety measures to prevent child injury during operation.

Service Safety

Safety precautions during maintenance and repair.

Product Specifications

Gasoline Capacity and Type

Details on fuel tank capacity and type.

Oil Type and Capacity

Recommended oil type and capacity for the engine.

Spark Plug and Valve Clearance

Specifications for spark plug and engine valve clearance.

Blade Bolt Torque

Recommended torque for blade bolt.

Customer Responsibilities

Observe Safety Rules

Customer's duty to follow safety instructions.

Follow Maintenance Schedule

Importance of regular care and maintenance.

Follow Storage Instructions

Adherence to manual's maintenance and storage guidelines.

Assembly Instructions

Unpacking the Mower

Steps to safely unpack the lawn mower from its carton.

Unfolding and Setting Up Handle

Instructions for unfolding and setting up the mower handle.

Assembling Grass Catcher

Guide on how to attach the grass catcher.

Installing Attachments

Information on converting mower for different functions.

Operation: Controls and Setup

Know Your Lawn Mower Controls

Familiarization with mower controls and symbols.

Operator Presence Control Bar

Function and operation of the safety control bar.

Starter Handle Operation

How to use the starter handle to start the engine.

Drive Control Bar Operation

Operation of the self-propelled drive system.

Operation: Usage and Conversion

Engine Speed and Zone Control

Information on engine speed and safety zone controls.

Drive Control Adjustment

How to use and adjust the drive control system.

Adjusting Cutting Height

Steps to adjust the mower's cutting height.

Converting Mower Functions

Instructions for converting mower to bagging or discharging.

Operation: Grass Catcher

Converting Lawn Mower Steps

Summary of steps for mulching, bagging, and discharging.

Emptying the Grass Catcher

Instructions for removing and emptying the grass catcher.

Operation: Starting and Stopping

Before Starting Engine

Procedures for adding oil and gasoline before operation.

Starting the Engine

Step-by-step guide to start the lawn mower engine.

Stopping the Engine

How to safely stop the lawn mower engine.

Operation: Mowing Tips

General Mowing Tips

Advice for efficient and effective mowing.

Mulching Mowing Tips

Specific advice for optimal mulching performance.

Maintenance Schedule and Basics

Maintenance Schedule

Recommended maintenance tasks and intervals.

General Maintenance Recommendations

General advice for maintaining the mower and warranty.

Before Each Use Checks

Essential checks to perform before operating the mower.

Lubrication Guidance

Guidance on lubricating mower components.

Maintenance: Components

Tires and Drive Wheels Maintenance

Maintenance and cleaning of tires and drive wheels.

Blade Care and Sharpening

Instructions for removing, replacing, and sharpening the blade.

Grass Catcher and Gear Case

Maintenance for grass catcher and gear case.

Maintenance: Engine and Cleaning

Engine Lubrication and Oil Change

Procedures for checking and changing engine oil.

Air Filter, Muffler, Spark Plug

Maintenance for air filter, muffler, and spark plug.

General Cleaning

General cleaning instructions for the mower.

Cleaning Under Drive Cover

Specific instructions for cleaning under the drive cover.

Service and Adjustments

Adjust Cutting Height and Deflector

How to adjust cutting height and maintain rear deflector.

Drive Belt Service

Procedures for removing and replacing the drive belt.

Adjusting the Handle

Instructions for adjusting the mower handle position.

Engine Speed and Carburetor

Information on engine speed and carburetor maintenance.

Storage Preparation

Lawn Mower and Handle Storage

Preparing the mower and handle for storage.

Engine Fuel System Preparation

Steps to prepare the fuel system for storage.

Engine Oil and Cylinder Prep

Procedures for engine oil and cylinder before storage.

Other Storage Precautions

General advice for storing the mower safely.

Troubleshooting

Engine Does Not Start

Common causes and corrections for starting issues.

Loss of Power and Poor Cut

Troubleshooting for loss of power and uneven cutting.

Vibration and Starter Rope Issues

Solutions for vibration and hard-to-pull starter rope.

Grass Catcher and Pushing Issues

Troubleshooting for grass catcher and difficulty pushing.

Parts List: Handle and Deck

Handle and Control Parts

List of parts related to the mower handle and controls.

Mower Deck and Wheel Components

Parts for the mower deck and wheel assemblies.

Engine Mount and Drive Components

Parts related to engine mounting and drive systems.

Parts List: Drive System

Drive System Components

List of parts for the mower's drive system.

Gear Case Components

Parts related to the mower's gear case assembly.

Warranty Statement

Limited Warranty Details

Details of the product's limited warranty coverage.

Husqvarna's Warranty Obligations

What Husqvarna will do under warranty.

Items Not Covered by Warranty

List of exclusions from warranty coverage.

Warranty Exceptions and Limitations

Conditions that make the warranty void.

Customer Responsibilities for Warranty

Customer duties for maintaining warranty validity.

Obtaining Warranty Consideration

Procedure for claiming warranty service.

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Husqvarna 5521CHV User Manual

Table of Contents

Questions and Answers:

Husqvarna 5521CHV Specifications

Summary

Safety Rules

General Operation Safety

Slope Operation Safety

Children Safety

Service Safety

Product Specifications

Gasoline Capacity and Type

Oil Type and Capacity

Spark Plug and Valve Clearance

Blade Bolt Torque

Customer Responsibilities

Observe Safety Rules

Follow Maintenance Schedule

Follow Storage Instructions

Assembly Instructions

Unpacking the Mower

Unfolding and Setting Up Handle

Assembling Grass Catcher

Installing Attachments

Operation: Controls and Setup

Know Your Lawn Mower Controls

Operator Presence Control Bar

Starter Handle Operation

Drive Control Bar Operation

Operation: Usage and Conversion

Engine Speed and Zone Control

Drive Control Adjustment

Adjusting Cutting Height

Converting Mower Functions

Operation: Grass Catcher

Converting Lawn Mower Steps

Emptying the Grass Catcher

Operation: Starting and Stopping

Before Starting Engine

Starting the Engine

Stopping the Engine

Operation: Mowing Tips

General Mowing Tips

Mulching Mowing Tips

Maintenance Schedule and Basics

Maintenance Schedule

General Maintenance Recommendations

Before Each Use Checks

Lubrication Guidance

Maintenance: Components

Tires and Drive Wheels Maintenance

Blade Care and Sharpening

Grass Catcher and Gear Case

Maintenance: Engine and Cleaning

Engine Lubrication and Oil Change

Air Filter, Muffler, Spark Plug

General Cleaning

Cleaning Under Drive Cover

Service and Adjustments

Adjust Cutting Height and Deflector

Drive Belt Service

Adjusting the Handle

Engine Speed and Carburetor

Storage Preparation

Lawn Mower and Handle Storage

Engine Fuel System Preparation

Engine Oil and Cylinder Prep

Other Storage Precautions

Troubleshooting

Engine Does Not Start

Loss of Power and Poor Cut

Vibration and Starter Rope Issues

Grass Catcher and Pushing Issues

Parts List: Handle and Deck

Handle and Control Parts

Mower Deck and Wheel Components

Engine Mount and Drive Components

Parts List: Drive System

Drive System Components

Gear Case Components