Blade

Adapter

Blade Bell Support

Hex Bolt

Figure 11

WARNING: Periodically inspect the blade adapter for cracks, especially if you strike a foreign object. Replace when necessary.

•When sharpening the blade, follow the original angle of grind as a guide. It is extremely important that each cutting edge receives an equal amount of grinding to prevent an unbalanced blade. An unbalanced blade will cause excessive vibration when rotating at high speeds, may cause damage to the mower and could break, causing personal injury.

•The blade can be tested by balancing it on a round shaft screwdriver. Remove metal from the heavy side until it balances evenly. It is recommended that the blade always be removed from the adapter for the best test of balance.

•Before reinstalling the blade and the blade adapter to the unit, lubricate the engine crankshaft and the inner surface of the blade adapter with light oil (or engine oil). Lubricating the bolt holes, bolts and inner surface of the nuts is also recommended.

To Reinstall Blade

•Be sure to install the blade with the side of the blade marked “Bottom” (or with part number) facing the ground when the mower is in the operating position.

•Be certain the blade is aligned with and seated onto the blade adapter flanges.

•Place blade bell support on blade. Make sure the notches on the blade bell support are aligned with the small hole in the blade.

•Replace hex bolt.

•Tighten to torque: 450 in. lbs. min., 600 in. lbs. max.

•To ensure safe operation of mower, check all nuts and bolts periodically for correct torque.

Deck Maintenance

•The underside of the mower deck should be cleaned after each use to prevent a buildup of grass clippings, leaves, dirt or other matter. If this debris is allowed to accumulate, it will invite rust and corrosion, and may prevent proper mulching.

•The deck may be cleaned by tilting the mower and scraping clean with a suitable tool (make certain the spark plug wire is disconnected). Do not use high pressure cleaners or water.

•We do not recommend the use of pressure washers or garden hose to clean your unit. They may cause damage to electric components, spindles, pulleys, bearings or the engine. The use of water will result in shortened life and reduce serviceability.

Engine Maintenance

•Refer to the separate engine manual for all engine maintenance instructions.

•Maintain ENGINE OIL 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.

•The SPARK PLUG should be cleaned and the gap reset 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 the engine regularly with a cloth or brush. Keep the cooling system (blower housing area) cleaned to permit proper air circulation which is essential to engine performance and life. Be certain to remove all grass, dirt and combustible debris from muffler area.

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Yard-Man 109T manual Deck Maintenance, Engine Maintenance, To Reinstall Blade, Blade Adapter Blade Bell Support Hex Bolt
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109T specifications

The Yard-Man 109T is a highly regarded lawn tractor known for its exceptional performance and user-friendly features. Designed for residential and light commercial mowing tasks, this tractor is a perfect balance of power, efficiency, and ease of use, making it a go-to choice for homeowners and landscapers alike.

At the heart of the Yard-Man 109T is its robust engine. It typically comes equipped with a reliable 420cc four-stroke engine, which provides ample power to handle various mowing conditions. This engine is known for its durability and efficiency, ensuring that the tractor can tackle tough grass and uneven terrain with ease.

One of the standout features of the Yard-Man 109T is its cutting deck. With a width of approximately 42 inches, this cutting deck is designed to deliver a clean and even cut. It usually offers multiple height adjustments, allowing users to customize the cutting height to suit their lawn care needs. This ensures that whether you are mowing tall grass or maintaining a well-manicured lawn, you can achieve the desired look with precision.

Another technological highlight of the Yard-Man 109T is its hydrostatic transmission. This feature provides smooth and effortless operation, making it easy for users to control their speed without the need for manual gear shifting. The hydrostatic system also enhances maneuverability, allowing the tractor to navigate tight spaces and make sharp turns, which is particularly useful for navigating around flower beds or garden features.

User comfort is also prioritized in the design of the Yard-Man 109T. The tractor typically features a comfortable seat with ample padding, ensuring a pleasant experience during extended mowing sessions. Additionally, the steering wheel is designed for easy handling, making it accessible for users of all ages and skill levels.

For added convenience, many models of the Yard-Man 109T come equipped with features such as an easy-to-use control panel, which allows for quick adjustments and monitoring of key parameters like speed and fuel level. Some variants may also include a rear bagger attachment for efficient grass collection, further enhancing its capabilities.

In summary, the Yard-Man 109T is a versatile lawn tractor that combines power, efficiency, and comfort. With its reliable engine, durable cutting deck, hydrostatic transmission, and user-friendly features, it stands out as an excellent choice for anyone looking to maintain their lawn with ease and efficiency. Whether you’re a seasoned gardener or a new homeowner, the Yard-Man 109T is designed to meet your lawn care needs.
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