Husqvarna 5521RSX owner manual Service and Adjustments, To Adjust Cutting Height, Rear Deflector

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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 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 deflector, 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 damaged, it should be replaced.

TO REMOVE DRIVE BELT (See Figs. 17 & 18)

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 (not shown); and remove drive cover from lawn mower housing.

3.Remove drive cable from anchor, then detach it and return spring from idler arm assembly.

4.Remove idler arm assembly from housing by removing hex nut; then remove drive belt from drive pulley, belt keepers and idler arm assembly.

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

6.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.

7.Remove blade bolt.

8.Remove blade, attaching hardware (bolt, lock washer, hardened washer), blade adapter / pulley and debris shield. Note that the debris shield has a screw which fi ts into the housing.

9.Remove drive belt from engine pulley; discard old belt.

DRIVE PULLEY

 

DRIVE CABLE ANCHOR

 

 

HOUSING

 

 

HOLES

 

 

DRIVE

 

 

BELT

 

 

IDLER ARM

BELT

 

ASSEMBLY

HEX NUT

RETURN SPRING

KEEPERS

CRANKSHAFT

 

 

HOUSING

 

BLADE

 

 

ADAPTER /

 

 

PULLEY

 

 

HARDENED

 

 

WASHER

 

DEBRIS

BLADE

 

BOLT

 

SHIELD

 

 

SCREW

 

 

TRAILING EDGE

 

LOCKWASHER

FIG. 18

TO REPLACE DRIVE BELT (See Figs. 17 & 18)

1.Place new drive belt on engine pulley.

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

3.Return mower to upright position.

4.Install new drive belt into idler arm assembly, then around the drive pulley. Be sure belt is inside of belt keepers.

5.Reattach idler arm assembly with hex nut previously removed.

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

7.Reattach debris shield to housing with tab of debris shield in housing hole.

8.Position blade on the blade adapter / pulley aligning the two (2) holes in the blade with the raised lugs on the adapter.

9.Be sure the trailing edge of blade (opposite sharp edge) is up toward the engine as shown.

10.Install the blade bolt with the lock washer and hardened washer into blade adapter / pulley and crankshaft.

11.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 HEAT TREATED. IFBOLT NEEDS REPLACING, REPLACE ONLYWITHAPPROVED BOLT SHOWN IN THE REPAIR PARTS SECTION OF THIS MANUAL.

12.Return mower to upright position.

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

14.Reattach drive cover with screws previously removed.

FIG. 17

15. Connect spark plug wire to spark plug.

 

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Contents 5521RSX II. Slope Operation Safe Operation Practices for Walk-Behind MowersGeneral Operation III. ChildrenTable of Contents HOW to SET UP Your Lawn Mower AssemblyTo Install Attachments To Remove Lawn Mower from CartonOperation Meets Cpsc Safety RequirementsKnow Your Lawn Mower Drive Control Adjustment HOW to USE Your Lawn MowerEngine Speed Engine Zone ControlTo Empty Grass Catcher See Fig To Attach Grass Catcher See FigTo Convert Mower ADD OIL See Fig Before Starting EngineADD Gasoline See Fig Mowing TipsTo Stop Engine To Start Engine See FigLubrication Chart MaintenanceGeneral Recommendations Before Each USEEngine Lawn MowerClean Under Drive Cover CleaningAIR Filter MufflerTo Adjust Cutting Height Service and AdjustmentsRear Deflector To Remove Drive Belt See FigsStorage To Adjust Handle See FigCarburetor Handle See FigsFuel System OtherEngine OIL CylinderProblem Cause Correction Troubleshooting PointsService Notes Page KEY Part Description Page KEY Part Description Husqvarna

5521RSX specifications

The Husqvarna 5521RSX is a high-performance lawn mower designed to deliver a superior cutting experience for homeowners and landscaping professionals alike. This walk-behind mower is engineered for durability, efficiency, and advanced cutting technology, making it a reliable choice for maintaining a pristine lawn.

One of the standout features of the 5521RSX is its powerful engine. Equipped with a reliable 163cc Honda engine, this mower provides ample power to tackle various grass types and conditions. Its robust build ensures that it can handle both small and medium-sized yards effortlessly. Additionally, the engine is designed for fuel efficiency, which not only helps the environment but also reduces the frequency of refueling, saving you time and money.

The cutting deck of the Husqvarna 5521RSX is another impressive aspect of its design. With a 21-inch cutting width, it makes trimming larger areas quicker without sacrificing precision. The cutting height is adjustable, allowing users to customize the mower for different grass lengths and types. This versatility is particularly helpful during changing seasons when grass growth can vary significantly.

In terms of technology, the Husqvarna 5521RSX features a rear-wheel drive system that enhances maneuverability and traction, especially on inclines or uneven terrain. This feature ensures that the mower can glide smoothly over various surfaces, enabling users to maintain control without straining effort. Furthermore, the foldable handle provides added convenience for storage and transportation, making it easy to tuck away when not in use.

Safety is also a priority in the design of the Husqvarna 5521RSX. The mower is equipped with an easy-to-access blade control feature that stops the blades when the user releases the handle, ensuring peace of mind during operation. Additionally, the sturdy construction and materials used in the mower's design contribute to its longevity, making it a worthwhile investment for those looking to enhance their lawn care routine.

Overall, the Husqvarna 5521RSX stands out with its combination of power, versatility, and technological advancements. Whether you are a seasoned landscaper or a weekend warrior, this mower is designed to meet your lawn care needs with ease, efficiency, and precision.
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