Husqvarna 7021RB User Manual (English)

Questions and Answers:

R
Renee KimAug 18, 2025
What to do if my Husqvarna Lawn Mower has loss of power?
- D
  David HowardAug 19, 2025
  If your Husqvarna Lawn Mower is experiencing a loss of power, consider the following: * The rear of the mower housing or blade might be dragging in heavy grass: Raise the cutting height. * You might be cutting too much grass: Raise the cutting height. * The air filter might be dirty: Clean or replace the air filter. * There might be a buildup of grass, leaves, or trash under the mower: Clean the underside of the mower housing. * There might be too much oil in the engine: Check the oil level. * Your walking speed might be too fast: Cut at a slower pace.
C
Crystal ThomasAug 21, 2025
What to do if my Husqvarna 7021RB has a poor and uneven cut?
- A
  amy73Aug 21, 2025
  If your Husqvarna Lawn Mower is leaving an uneven cut, here's what you can check: * The blade might be worn, bent, or loose: Replace the blade and tighten the blade bolt. * The wheel heights might be uneven: Set all wheels at the same height. * There might be a buildup of grass, leaves, or trash under the mower: Clean the underside of the mower housing.
A
Anna BrandtAug 25, 2025
What to do if my Husqvarna 7021RB engine dies when starting the blade?
- P
  Paul WilliamsAug 25, 2025
  If your Husqvarna Lawn Mower engine dies when starting the blade, it could be due to: * A cold engine: Allow the engine to warm up for one minute. * The mower is in uncut grass: Move the mower to a cleared area.
J
Jasmine CollinsAug 27, 2025
What to do if the blade/brake does not engage on my Husqvarna 7021RB Lawn Mower?
- K
  Kim WongAug 27, 2025
  If the blade/brake does not engage on your Husqvarna Lawn Mower, it may be caused by: * A defective blade/brake control: Replace the blade/brake control.
K
kevin25Aug 30, 2025
Why is my Husqvarna Lawn Mower losing drive or slowing of drive speed?
- A
  Andrea VelezAug 30, 2025
  If your self-propelled Husqvarna Lawn Mower is losing drive or slowing down, here are some possible causes: * Belt wear: Check or replace the drive belt. * Belt off of pulley: Check or reinstall the drive belt. * Drive cable worn or broken: Replace the drive cable. * “Loose” drive control system: Adjust the drive control.
C
chase82Sep 2, 2025
Why is the starter rope hard to pull on my Husqvarna 7021RB?
- J
  Joseph EdwardsSep 2, 2025
  A hard-to-pull starter rope on your Husqvarna Lawn Mower can be due to: * The engine flywheel brake being on when the control bar is released: Depress the control bar to the upper handle before pulling the starter rope. * A broken blade adapter: Replace the blade adapter. * The blade dragging in grass: Move the mower to cut grass/hard surface. * A defective blade/brake clutch: Replace the blade/brake clutch.
B
Brian SullivanSep 5, 2025
What to do if my Husqvarna 7021RB Lawn Mower is hard to push?
- J
  Jeremy PerrySep 5, 2025
  If your Husqvarna Lawn Mower is hard to push, consider these factors: * 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 cutting blade might be dragging in heavy grass: Raise the cutting height. * The grass catcher might be too full: Empty the grass catcher. * The handle height position might not be right for you: Adjust the handle height to suit.
J
Jonathan CrossSep 8, 2025
Why is my Husqvarna 7021RB Lawn Mower excessively vibrating?
- J
  Juan JohnsonSep 8, 2025
  Excessive vibration in your Husqvarna Lawn Mower could be caused by: * A worn, bent, or loose blade: Replace the blade and tighten the blade bolt.
R
robertmillerSep 12, 2025
What to do if grass catcher is not filling on my Husqvarna 7021RB?
- S
  Susan CrossSep 12, 2025
  If the grass catcher on your Husqvarna Lawn Mower isn't filling, check the following: * The cutting height might be too low: Raise the cutting height. * The lift on the blade might be worn off: Replace the blade. * The catcher might not be venting air: Clean the grass catcher.

Husqvarna 7021RB Specifications

General

Cutting Width	21 inches
Weight	75 lbs
Drive Type	Rear-Wheel Drive
Deck Material	Steel
Warranty	2 years
Mulch, Bag, Side Discharge	Yes
Mulching Capability	Yes
Self-propelled	Yes
Starter Type	Recoil
Starting System	Recoil
Cutting Height Adjustment	Single-lever
Engine	Briggs & Stratton
Cutting Height	1.25 - 3.42 in
Wheel Size	8 inches front / 11 inches rear

Summary

SAFETY RULES

General Operation and Hazard Warnings

Covers general operation, hazards, slope safety, child safety, and gasoline handling precautions.

SERVICE AND SPECIFICATIONS

General Service and Customer Responsibilities

Covers general service, maintenance, and customer responsibilities for the mower.

Product Specifications

Key specifications for the lawn mower, including fuel capacity, oil type, and spark plug details.

ASSEMBLY INSTRUCTIONS

Unpacking and Handle Setup

Instructions for unpacking the mower and unfolding/setting up the handle.

Grass Catcher Assembly

Steps to assemble the grass catcher for the lawn mower.

OPERATING YOUR LAWN MOWER

Know Your Mower Controls

Familiarize yourself with mower controls, symbols, and safety requirements.

Operator Controls and Functions

Explains the function of key operator controls like the presence bar, throttle, and blade control.

MOWER OPERATION DETAILS

Throttle and Engine Control

How to use the throttle control for starting, stopping, and adjusting engine speed.

Blade Control Mechanism

Instructions on engaging and disengaging the mower blade safely.

ADVANCED OPERATION

Drive Control Operation

How to use the self-propelling drive control and make adjustments.

Cutting Height Adjustment

Steps to adjust the cutting height using the single-point lever.

Attaching Grass Catcher

Instructions for attaching the grass catcher to the mower.

MOWER FUNCTIONS AND MODES

Emptying the Grass Catcher

How to properly empty the grass catcher.

Converting Mower Modes

Steps to convert the mower for rear bagging or side discharging.

PRE-START CHECKS AND FUELING

Mower Mode Conversion Summary

Quick reference for converting mower modes (mulching, bagging, discharging).

Adding Oil and Gasoline

Instructions for adding oil and gasoline before starting the engine.

MOWING TECHNIQUES

Engine Start/Stop Procedures

Procedures for stopping and starting the engine, including cold and warm starts.

Mowing Tips

Advice for efficient and effective mowing, including grass conditions and blade use.

Mulching Mowing Tips

Specific advice for optimal mulching performance and lawn health.

MAINTENANCE SCHEDULE AND LUBRICATION

Maintenance Schedule

A schedule outlining regular maintenance tasks based on usage hours or time.

Lubrication Guide

Details on lubrication points and recommendations for keeping the mower lubricated.

DETAILED MAINTENANCE

Tires, Wheels, and Blade Care

Maintenance checks for tires, drive wheels, and blade for optimal performance.

Gear Case and Engine Lubrication

Maintenance for the gear case and engine lubrication requirements.

ENGINE AND CLEANING PROCEDURES

Engine Oil Change

Step-by-step guide to draining and refilling engine oil.

Air Filter, Muffler, and Cleaning

Procedures for maintaining the air filter, inspecting the muffler, and cleaning the mower.

SERVICE AND ADJUSTMENTS

Safety Precautions for Servicing

Essential safety precautions to take before performing any service or adjustments.

Handle and Engine Adjustments

How to adjust the handle and information on engine speed and carburetor.

STORAGE GUIDELINES

Mower and Fuel System Storage

Steps for preparing the mower and fuel system for long-term storage.

Engine Cylinder and Other Storage Prep

Procedures for preparing the engine cylinder and other parts for storage.

TROUBLESHOOTING

Engine Start and Performance Issues

Common problems and solutions for starting issues, loss of power, and poor cut.

Operational Control Troubleshooting

Solutions for issues with starter rope, drive speed, and blade engagement.

PARTS DIAGRAM

Exploded View of Mower Assembly

An exploded view illustrating the various parts of the lawn mower.

PARTS LIST

Handle, Controls, and Hardware

List of part numbers and descriptions for handles, controls, and related hardware.

Body, Deck, and Accessories

List of part numbers for the mower housing, doors, deflectors, and accessories.

Drive, Blade, and Clutch Components

List of part numbers for drive components, blade assembly, and clutch parts.

PARTS DIAGRAM

Wheel and Drive System Components

Exploded view of the wheel, drive, and belt system components.

PARTS LIST

Drive Control and Wheel Assemblies

List of part numbers for drive controls, wheels, bearings, and related hardware.

Belts, Covers, and Fasteners

List of part numbers for belts, pulleys, covers, and fasteners.

WARRANTY INFORMATION

Product Registration and Warranty Schedule

Information on registering products and the warranty schedule for various Husqvarna products.

Warranty Coverage and Limitations

Details on what is covered and not covered by the limited warranty.

WARRANTY TERMS AND CONDITIONS

Warranty Exclusions and Exceptions

Specific exclusions, limitations, and exceptions to the warranty terms.

Warranty Claims and Procedures

Customer obligations and the procedure for obtaining warranty service.

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Husqvarna 7021RB User Manual

Table of Contents

Questions and Answers:

Husqvarna 7021RB Specifications

Summary

SAFETY RULES

General Operation and Hazard Warnings

SERVICE AND SPECIFICATIONS

General Service and Customer Responsibilities

Product Specifications

ASSEMBLY INSTRUCTIONS

Unpacking and Handle Setup

Grass Catcher Assembly

OPERATING YOUR LAWN MOWER

Know Your Mower Controls

Operator Controls and Functions

MOWER OPERATION DETAILS

Throttle and Engine Control

Blade Control Mechanism

ADVANCED OPERATION

Drive Control Operation

Cutting Height Adjustment

Attaching Grass Catcher

MOWER FUNCTIONS AND MODES

Emptying the Grass Catcher

Converting Mower Modes

PRE-START CHECKS AND FUELING

Mower Mode Conversion Summary

Adding Oil and Gasoline

MOWING TECHNIQUES

Engine Start/Stop Procedures

Mowing Tips

Mulching Mowing Tips

MAINTENANCE SCHEDULE AND LUBRICATION

Maintenance Schedule

Lubrication Guide

DETAILED MAINTENANCE

Tires, Wheels, and Blade Care

Gear Case and Engine Lubrication

ENGINE AND CLEANING PROCEDURES

Engine Oil Change

Air Filter, Muffler, and Cleaning

SERVICE AND ADJUSTMENTS

Safety Precautions for Servicing

Handle and Engine Adjustments

STORAGE GUIDELINES

Mower and Fuel System Storage

Engine Cylinder and Other Storage Prep

TROUBLESHOOTING

Engine Start and Performance Issues

Operational Control Troubleshooting

PARTS DIAGRAM

Exploded View of Mower Assembly

PARTS LIST

Handle, Controls, and Hardware

Body, Deck, and Accessories

Drive, Blade, and Clutch Components

PARTS DIAGRAM

Wheel and Drive System Components

PARTS LIST

Drive Control and Wheel Assemblies

Belts, Covers, and Fasteners

WARRANTY INFORMATION

Product Registration and Warranty Schedule

Warranty Coverage and Limitations

WARRANTY TERMS AND CONDITIONS

Warranty Exclusions and Exceptions

Warranty Claims and Procedures

Related product manuals