Blade Mounting Torque:

Center Bolt: 450 in. lbs. min., 600 in. lbs. max.

•To ensure safe operation of your unit, all nuts and bolts must be checked periodically for correct tightness.

Maintaining the Deck

NOTE: We do not recommend the use of pressure washers or garden hose to clean your unit.These may cause damage to electric components spindles, pulleys, bearings or the engine. The use of water will shorten life of the mower and reduce its serviceability.

•Clean the underside of the mower deck after each use to prevent a buildup of grass clippings, leaves, dirt or other matter. If this debris is allowed to accumulate, it will result in rust and corrosion, and may cause an uneven discharge of grass clippings during the next cutting. Tilt the mower and scrape clean with a suitable tool.

WARNING: Remember to disconnect the spark plug wire before tilting the mower.

Engine

Refer to the separate engine manual for engine maintenance instructions.

•Maintain engine oil level as instructed in the engine manual.

•Service air cleaner every 25 hours under normal conditions. Clean every few hours under extremely dusty conditions. Poor engine performance and flooding usually indicates that the air cleaner should be serviced. To service the air cleaner, refer to the engine manual.

•Clean spark plug and reset the gap once a season. Spark plug replacement is recommended at the start of each mowing season. Check engine manual for correct plug type and gap specifications.

•Clean engine regularly with a cloth or brush. Keep the cooling system (blower housing area) clean to permit proper air circulation which is essential to engine performance and life. Make sure to remove all grass, dirt and combustible debris from muffler area.

Replacing Rear Flap

The rear flap is attached to the back of the mower deck, and is designed to minimize the possibility of objects being thrown from the rear of the mower toward the operator. If the rear flap becomes damaged, replace as follows:

•To remove the old rear flap, cut off the flat end of the wire rod which secures it to the deck using a pair of side-cutters. Attach the new rear flap using the new rod provided with the rear flap, bending the ends of the rod over to secure.

SECTION 8: OFF-SEASON STORAGE

If the lawn mower is not going to be used for 30 days or longer, prepare the unit for storage. Follow the steps below for proper storage of the mower.

•Clean and lubricate mower thoroughly as described in the lubrication instructions.

•Refer to engine manual for correct engine storage instructions.

•Coat mower’s cutting blade with chassis grease to prevent rusting.

•Store mower in a dry, clean area. Do not store next to corrosive materials, such as fertilizer.

NOTE: When storing any type of power equipment in an unventilated or metal storage shed, care should be taken to rust-proof the equipment. Using a light oil or silicone, coat the equipment, especially cables and all moving parts.

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Yard Machines 410, through 429 manual Maintaining the Deck, Engine, Replacing Rear Flap, Blade Mounting Torque
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21" Rear Discharge Push Mower, through 429, 410 specifications

The Yard Machines 410 through 429, 21" Rear Discharge Push Mower is a robust and versatile lawn care solution designed for homeowners who prioritize efficiency and convenience. This highly regarded mower stands out in the market thanks to its state-of-the-art features and technology that enhance mowing performance.

One of the main features of the Yard Machines push mower is its 21-inch cutting deck, specifically designed for optimal maneuverability and efficiency in both small and medium-sized yards. The rear discharge functionality allows for a clean and controlled cut, ensuring grass clippings are evenly distributed behind the mower, which helps to improve the lawn's overall health by returning nutrients to the soil.

Equipped with a powerful 140cc engine, the Yard Machines mower provides reliable performance for tackling various grass types and yard conditions. The engine's design prioritizes fuel efficiency, allowing homeowners to mow larger areas without frequently stopping for refueling. The easy-start mechanism enhances user experience, ensuring that the mower starts quickly with minimal hassle.

Another key characteristic is the adjustable cutting height feature, which offers six different settings, ranging from 1.25 inches to 3.75 inches. This versatility allows users to customize their mowing experience based on the specific needs of their lawn and prevailing weather conditions. Whether you need a close cut for a formal look or a higher cut for more foliage, this mower can accommodate your preferences.

The Yard Machines 410 through 429 models also excel in user comfort and ease of use. The lightweight design ensures that even less experienced operators can maneuver the mower effortlessly. Additionally, the ergonomic handlebar provides a comfortable grip and helps to reduce fatigue during extended mowing sessions.

Durability is another standout aspect of this mower, as it features a sturdy steel deck that can withstand the rigors of regular use, ensuring longevity and reliability. Furthermore, the mower's compact size allows for easy storage, even in tight spaces.

Overall, the Yard Machines 410 through 429, 21" Rear Discharge Push Mower is an excellent choice for homeowners seeking a reliable, efficient, and user-friendly option for maintaining their lawns. With its combination of powerful performance, adjustable features, and durability, this mower is designed to make lawn care an effortless and enjoyable task.
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