•For best results it is recommended that the first two laps be cut with the discharge thrown towards the center. After the first two laps, reverse the direction to throw the discharge to the outside for the balance of cutting. This will give a better appearance to the lawn.

•Do not cut the grass too short. Short grass invites weed growth and yellows quickly in dry weather.

•Mowing should always be done with the engine at full throttle.

•Under heavier conditions it may be necessary to go back over the cut area a second time to get a clean cut.

•Do not attempt to mow heavy brush and weeds and extremely tall grass. Your tractor is designed to mow lawns, not clear brush.

•Keep the blades sharp and replace the blades when worn. Refer to Cutting Blades on page 19 of this manual for proper blade sharpening instructions.

WARNING: To help avoid blade contact or a thrown object injury, keep bystanders, helpers, children and pets at least 75 feet from the machine while it is in operation. Stop machine if anyone enters the area.

Mulching

Some models are equipped with a mulch kit with special blades to recirculate the grass clippings into the lawn where they act as a natural fertilizer.

•On models with 46-inch decks, where the mulch kit is packed separately within the tractor’s crate, follow the instructions included with the mulch kit.

Observe the following points for best results when mulching.

•Never attempt to mulch if the lawn is damp. Wet grass tends to stick to the underside of the cutting deck preventing proper mulching of the clippings.

•Do not attempt to mulch more than 1/3 the total height of the grass or approximately 1-1/2 inches. Doing so will cause the clippings to clump up beneath the deck and not be mulched effectively.

•Maintain a slow ground speed to allow the grass clippings more time to effectively be mulched.

•Always position the throttle control lever in the FAST (rabbit) position and allow it to remain there while mowing. Failing to keep the engine at full throttle places strain on the tractor’s engine and does not allow the blades to properly mulch grass.

NOTE: It is not necessary to remove the discharge chute to operate the mower with the mulch kit installed.

•To operate the cutting deck without mulching, on models so equipped, simply remove the mulch plug by unthreading the plastic wing nut which fastens it to the cutting deck. See Figure 6. This will allow the clippings to discharge through the side opening.

Carriage Screw

Bell

Washer

Wing Nut

Mulch Plug

Figure 6

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MTD 604H manual Mulching
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604H specifications

The MTD 604H is an advanced lawn mower designed for tackling various landscaping tasks with efficiency and precision. This powerful machine stands out in the market due to its robust set of features and cutting-edge technologies that cater to both professional landscapers and homeowners.

One of the main features of the MTD 604H is its high-performance engine. The mower is equipped with a dependable gas engine that offers superior torque and power, making it suitable for mowing large areas quickly. The engine's design emphasizes fuel efficiency, which allows users to cover more ground while minimizing fuel consumption.

Another significant characteristic of the MTD 604H is its innovative cutting deck. The mower features a wide cutting deck that can range from 36 to 42 inches, allowing for a larger clipping area. This design reduces mowing time and ensures a clean, even cut regardless of the terrain. Furthermore, the cutting height can be easily adjusted, enabling users to choose the perfect length for their grass type and seasonal conditions.

The MTD 604H also incorporates several user-friendly technologies. For instance, it has a self-propelled system that makes maneuvering easier on various terrains, such as slopes and uneven surfaces. This feature significantly reduces operator fatigue, allowing users to work longer without discomfort.

Additionally, the mower has a plush, ergonomic seat designed to provide comfort during extended use. It comes with easy-to-reach control panels that allow users to operate the mower’s functions without difficulty. The inclusion of a mulch kit further enhances its versatility, allowing users to recycle grass clippings back into the lawn instead of bagging them.

Safety is a crucial aspect of the MTD 604H. The mower is equipped with automatic blade brakes that stop the blades almost instantly when the user releases the control lever. This feature significantly reduces the risk of accidents and enhances user safety while operating the machine.

In conclusion, the MTD 604H is a feature-packed lawn mower characterized by its powerful engine, wide cutting deck, user-friendly technologies, and safety features. Whether for home use or professional landscaping services, the MTD 604H emerges as a reliable, efficient, and versatile choice for maintaining a pristine lawn.
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