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 IN THE REPAIR PARTS SECTION OF THIS MANUAL.

8.Return mower to upright position.

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.

KNOB

BOLT

LOW

HIGH

HANDLE

BRACKET

 

FIG. 22

ENGINE

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

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Husqvarna 67521HVE owner manual Storage, To Adjust Handle See Fig, Carburetor
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67521HVE specifications

The Husqvarna 67521HVE is a premium lawn mower designed for homeowners seeking a robust, efficient, and user-friendly machine for maintaining their lawns. This model combines advanced technology with ergonomic design, making it a standout choice in the crowded lawn care market.

One of the key features of the Husqvarna 67521HVE is its powerful engine. Equipped with a reliable Briggs & Stratton engine, this mower provides ample power for tackling various types of grass and terrains. The engine is designed for optimal fuel efficiency, allowing users to mow larger areas without frequent refueling.

The mower features a 21-inch cutting deck, which strikes a perfect balance between maneuverability and cutting efficiency. This size enables users to navigate tight spaces easily, while still providing enough coverage to complete mowing tasks quickly. The cutting deck is made from high-quality steel, ensuring durability throughout many seasons of use.

Another standout technology in the Husqvarna 67521HVE is its adjustable cutting height. The mower allows users to choose from six different cutting heights, ranging from 1 to 4 inches. This flexibility enables users to customize their lawn care routine, adapting to seasonal changes or personal preferences for grass length.

The Husqvarna 67521HVE also incorporates a rear-wheel drive system, which enhances traction and control, especially on inclines or uneven terrain. This feature is particularly beneficial for homeowners with sloped lawns, ensuring a smooth mowing experience without the risk of losing control.

Ergonomics play a vital role in the design of the 67521HVE. The mower comes with an adjustable handle that provides users with a comfortable grip, reducing strain on the arms and back during extended mowing sessions. This thoughtful design consideration makes it suitable for users of various heights and stances.

In addition to its impressive performance and comfort features, the Husqvarna 67521HVE is designed for easy maintenance. The mower is equipped with a washout port, allowing users to connect a hose for easy cleaning of the underside of the deck, ensuring optimal performance and longevity.

Lastly, the Husqvarna 67521HVE is built with a foldable handle, making it easy to store in compact spaces. This compact design, combined with its feature set, makes it an excellent choice for homeowners looking to maintain their lawns with efficiency and ease. Whether tackling tough weeds or keeping a perfectly manicured lawn, the Husqvarna 67521HVE stands out as a reliable and versatile lawn mower option.
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