Husqvarna 55R21HV owner manual Storage, To Adjust Handle See Fig, Carburetor

Page 15

SERVICE AND ADJUSTMENTS

2.Route the other end of the new drive belt through hole in housing.

3.Reattach debris shield to housing with screw previ- ously removed. Be sure tab of debris shield is in gap of housing.

4.Position blade on the blade adapter aligning the two

(2)holes in the blade with the raised lugs on the adapter.

5.Be sure the trailing edge of blade (opposite sharp edge) is up toward the engine as shown (See Fig. 20).

6.Install the blade bolt with the lock washer and hardened washer into blade adapter and crankshaft.

7.Use block of wood between blade and lawn mower housing and tighten the blade bolt, turning clockwise.

The recommended tightening torque is 35-40 ft. lbs.

IMPORTANT: BLADE BOLT IS HEATTREATED. IF BOLT NEEDS REPLACING, REPLACE ONLYWITH APPROVED BOLT SHOWN

KNOB

BOLT

LOW

HIGH

HANDLE

BRACKET

 

IN THE REPAIR PARTS SECTION OF THIS MANUAL.

8. Return mower to upright position.

ENGINE

FIG. 22

9. Install new drive belt into idler arm assembly, then

around the drive pulley. Be sure belt is inside of belt

keepers (See Fig. 19).

NOTE: Pulling on the drive belt (to install it on the drive pulley) will cause the other end of the belt to free itself from the debris shield retainer and come into contact with the pulley end of the blade adapter.

10.Reattach drive cable and return spring to the idler arm assembly, then reattach drive cable to anchor.

11.Reattach drive cover with screws previously removed (See Fig. 18).

12.Connect spark plug wire to spark plug.

TO ADJUST HANDLE (See Fig. 22)

The handle on your lawn mower has multiple height posi- tions - adjust to height that suits you.

1.Remove knob and carriage bolt on one side of the lower handle.

2.While holding handle assembly, remove knob and car- riage bolt from opposite side, align hole in handle with desired hole in handle bracket and reassemble bolt and knob and tighten securely.

3.Align opposite side of handle with same positioning hole and secure with bolt and knob.

Maintenance, repair, or replacement of the emission con- trol devices and systems, which are being done at the customers expense, may be performed by any non-road engine repair establishment or individual.Warranty repairs must be performed by an authorized engine manufacturer's service outlet.

ENGINE SPEED

Your engine speed has been factory set. Do not attempt to increase engine speed or it may result in personal injury. If you believe that the engine is running too fast or too slow, take your lawn mower to an authorized service center for repair and adjustment.

CARBURETOR

Your carburetor is not adjustable. If your engine does not operate properly due to suspected carburetor problems, take your lawn mower to an authorized service center for repair and/or adjustment.

IMPORTANT:NEVERTAMPERWITHTHEENGINEGOVERNOR, WHICH IS FACTORY SET FOR PROPER ENGINE SPEED. OVERSPEEDING THE ENGINE ABOVE THE FACTORY HIGH SPEED SETTING CAN BE DANGEROUS. IF YOU THINK THE ENGINE-GOVERNED HIGH SPEED NEEDS ADJUSTING, CONTACTYOUR NEAREST AUTHORIZED SERVICE CENTER, WHICH HAS PROPER EQUIPMENT AND EXPERIENCE TO MAKE ANY NECESSARY ADJUSTMENTS.

STORAGE

Immediately prepare your lawn mower for storage at the end of the season or if the unit will not be used for 30 days or more.

LAWN MOWER

When lawn mower is to be stored for a period of time, clean it thoroughly, remove all dirt, grease, leaves, etc. Store in a clean, dry area.

1.Clean entire lawn mower (See “CLEANING” in the Maintenance section of this manual).

2.Lubricate as shown in the Maintenance section of this manual.

3. Be sure that all nuts, bolts, screws, and pins are se- curely fastened. Inspect moving parts for damage, breakage and wear. Replace if necessary.

4.Touch up all rusted or chipped paint surfaces; sand lightly before painting.

15

Image 15
Contents 55R21HV III. Children Safe Operation Practices for Walk-Behind MowersGeneral Operation II. Slope OperationTable of Contents To Unfold Handle See Figs AssemblyHOW to SET UP Your Lawn Mower To Remove Lawn Mower from CartonTo Assemble Grass Catcher See Figs To Install AttachmentsMeets Cpsc Safety Requirements OperationKnow Your Lawn Mower HOW to USE Your Lawn Mower Engine SpeedEngine Zone Control Side Discharging Simple Steps to Remember When Converting Your Lawn MowerBefore Starting Engine TOEMPTYGRASSCATCHERSeeFigs.10-11ADD OIL See Fig Mowing Tips ADD Gasoline See FigTo Stop Engine To Start Engine See FigBefore Each USE MaintenanceLubrication Chart General RecommendationsEngine Lawn MowerMuffler CleaningClean Under Drive Cover AIR FilterTo Remove Drive Belt See Figs Service and AdjustmentsTo Adjust Cutting Height Rear DeflectorTo Adjust Handle See Fig StorageCarburetor Engine OIL OtherHandle See Figs Fuel SystemProblem Cause Correction Troubleshooting PointsPage 532 18 KEY Part DescriptionPage KEY Part Description Rotary Lawn Mower - Model Number 55R21HV Gear Case Assembly - Part Number 532 18Service Notes Rantywar Tementsta

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.