Husqvarna 67521HVE owner manual Cleaning, Muffler, Spark Plug, Clean Under Drive Cover

Page 13

MAINTENANCE

Change the oil after every 25 hours of operation or at least once a year if the lawn mower is not used for 25 hours in one year.

Check the crankcase oil level before starting the engine and after each fi ve (5) hours of continuous use. Tighten oil plug securely each time you check the oil level.

TO CHANGE ENGINE OIL (See Fig. 16)

NOTE: Before tipping lawn mower to drain oil, empty fuel tank by running engine until fuel tank is empty.

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

2.Remove engine oil cap; lay aside on a clean surface.

3.Tip lawn mower on its side as shown and drain oil into a suitable container. Rock lawn mower back and forth to remove any oil trapped inside of engine.

CONTAINER

FIG. 16

4.Wipe off any spilled oil from lawn mower or side of engine.

5.Slowly pour oil down the oil fi ll spout, stopping every few ounces to check the oil level with the dipstick.

6.Stop adding oil when you reach the FULL mark on the dipstick. Wait a minute to allow oil to settle.

7.Continue adding small amounts of oil, rechecking the dipstick until oil level settles at FULL. DO NOT over- fi ll, or engine will smoke heavily from the muffl er on startup.

8.Always be sure to retighten oil dipstick before starting engine.

9.Reconnect spark plug wire to spark plug.

AIR FILTER (See Fig. 17)

Your engine will not run properly and may be damaged by using a dirty air fi lter. Replace the air fi lter cartridge every 100 hours of operation or every season, whichever occurs fi rst. Service air cleaner more often under dusty conditions.

TO CLEAN AIR FILTER

1.Loosen screw and tilt cover to remove.

2.Carefully remove cartridge.

3.Clean by gently tapping on a fl at surface. If very dirty, replace cartridge.

CAUTION: Petroleum solvents,such as kerosene, are not to be used to clean cartridge.Theymaycausedeterioration of the cartridge. Do not oil cartridge. Do not use pressurized air to clean or dry cartridge.

4.Install cartridge, then replace cover making sure the tabs are aligned with the slots in the back plate. Fasten screw securely.

BACK PLATE

SLOTS

LIP

COVER

CARTRIDGE COVER TABS

FIG. 17

MUFFLER

Inspect and replace corroded muffl er as it could create a fi re hazard and/or damage.

SPARK PLUG

Replace spark plug at the beginning of each mowing season or after every 100 hours of operation, whichever occurs

rst. Spark plug type and gap setting are shown in the “PRODUCT SPECIFICATIONS” section of this manual.

CLEANING

IMPORTANT: FOR BEST PERFORMANCE, KEEP MOWER HOUSING FREE OF BUILT-UP GRASS AND TRASH. CLEAN THE UNDERSIDE OF YOUR MOWER AFTER EACH USE.

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

Clean the underside of your lawn mower by scraping to remove build-up of grass and trash.

Clean engine often to keep trash from accumulating. A clogged engine runs hotter and shortens engine life.

Keep fi nished surfaces and wheels free of all gasoline, oil, etc.

We do not recommend using a garden hose to clean lawn mower unless the electrical system, muffl er, air fi lter and carburetor are covered to keep water out. Water in engine can result in shortened engine life.

CLEAN UNDER DRIVE COVER

Clean under drive cover at least twice a season. Scrape un- derside of cover with putty knife or similar tool to remove any

13build-up of trash or grass on underside of drive cover.

Image 13
Contents 67521HVE II. Slope Operation Safe Operation Practices for Walk-Behind MowersGeneral Operation III. ChildrenTable of Contents HOW to SET UP Your Lawn Mower AssemblyTo Remove Lawn Mower from Carton To Unfold Handle See FigsTo Prepare Battery See Fig To Install AttachmentsTo Assemble Grass Catcher See Figs Operation Meets Cpsc Safety RequirementsKnow Your Lawn Mower Engine Speed HOW to USE Your Lawn MowerEngine Zone Control Side Discharging Simple Steps to Remember When Converting Your Lawn MowerTOEMPTYGRASSCATCHERSeeFigs.11-12 Before Starting EngineADD OIL See Fig To Stop Engine ADD Gasoline See FigTo Start Engine Mowing TipsLubrication Chart MaintenanceGeneral Recommendations Before Each USEEngine Lawn MowerClean Under Drive Cover CleaningMuffler Spark PlugTo Adjust Cutting Height Service and AdjustmentsRear Deflector To Remove Drive Belt See FigsStorage To Adjust Handle See FigCarburetor Other BatteryFuel System Engine OILProblem Cause Correction Troubleshooting PointsPage KEY Part Description Page KEY Part Description Rotary Lawn Mower - Model Number 67521HVE Gear Case Assembly - Part Number 532 18Service Notes Rantywar Tementsta

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.