SERVICE AND ADJUSTMENTS

CAUTION: TO AVOID SERIOUS INJURY, BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:

1.Release control bar and stop engine.

2.Make sure the blade and all moving parts have completely stopped.

3.Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

LAWN MOWER

TO ADJUST CUTTING HEIGHT

See “TO ADJUST CUTTING HEIGHT” in the Operation section of this manual.

REAR DEFLECTOR

The rear defl ector, attached between the rear wheels of your mower, is provided to minimize the possibility that objects will be thrown out of the rear of the mower into the operator's mowing position. If the defl ector becomes

4.Pivot idler arm assembly to slacken drive belt, then remove drive belt from drive pulley, belt keepers and idler arm.

5.Turn lawn mower on its side. Make sure air fi lter and carburetor are up.

6.Remove screw securing debris shield. Note that the debris shield has a tab which fi ts into a gap in the housing (See Fig. 20).

HOUSING

CRANKSHAFT

HOLE

TAB

damaged, it should be replaced.

TO REMOVE DRIVE BELT (See Figs. 18–20)

1.

Disconnect spark plug wire from spark plug and place

 

wire where it cannot come in contact with plug.

2.

Remove screws retaining drive cover and remove drive

DEBRIS

BLADE ADAPTER

HARDENED WASHER

cover from lawn mower housing (See Fig. 18).

SCREWS

LAWN

MOWER

HOUSING

DRIVE

COVER

FIG. 18

3.Remove drive cable from anchor, then detach it and return spring from idler arm assembly (See Fig. 19).

RETURN SPRING

DRIVE CABLE ANCHOR

DRIVE BELT

HOUSING

HOLE

DRIVE

BELT

PIVOT

IDLER ARM

PULLEY

KEEPER

 

ASSEMBLY

FIG. 19

SHIELD

LOCK-

WASHER

 

TRAILING

BLADE

SCREW

EDGE

BOLT

FIG. 20

7.Use a wood block between blade and mower housing to prevent blade from turning when removing blade bolt.

NOTE: Protect your hands with gloves and/or wrap blade with heavy cloth.

8.Remove blade bolt.

9.Remove blade, attaching hardware (bolt, lock washer, hardened washer), blade adapter and debris shield as one assembly.

10.Remove drive belt from blade adapter and debris shield; discard old belt.

TO REPLACE DRIVE BELT (See Figs. 18–21)

1.Place new drive belt in the belt retainer of the debris shield. Be sure to route belt between belt keepers and through slot as shown (See Fig. 21).

DEBRIS SHIELD

TAB

BELT

 

KEEPERS

 

DRIVE

 

BELT

 

SLOT

BELT

RETAINER

FIG. 21

14

Page 14
Image 14
Husqvarna 55R21HV Service and Adjustments, To Adjust Cutting Height, Rear Deflector, To Remove Drive Belt See Figs

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.