Figure 5-2

NOTE: Always remove blade from the adapter for testing balance.

7.The blade can be tested for balance by balancing it on a round shaft screwdriver. Remove metal from the heavy side until it balances evenly.

8.Before reassembling the blade and the blade adapter to the unit, lubricate the engine crankshaft and the inner surface of the blade adapter with light oil.

9.Install the blade adapter on the crankshaft with the “star” away from the engine. See Figure 5-2. Place the blade with the side marked “bottom” (or with part number) facing away from the adapter. .Align the blade bell support over the blade with the tabs in the holes of the blade and insert the hex bolt.

10.Tighten the hex bolt to the torque listed below:

Blade Mounting Torque

Center Bolt 450 in. lb. min., 600 in.lb. max.

To insure safe operation of your unit, ALL nuts and bolts must be checked periodically for correct tightness.

Figure 5-3

Rear Flap Replacement

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

1.To remove the old rear flap, lift rear door, and press flap in on either side to remove from hole. See Figure 5-3.

2.Remove flap from opposite hole and replace with new flap following these steps in reverse order.

Off-Season Storage

The following steps should be taken to prepare your lawn mower for storage.

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

2.We do not recommend the use of a pressure washer or garden hose to clean your unit.

3.Refer to engine manual for correct engine storage instructions.

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

5.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 a poorly ventilated 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 of your lawn mower before storage.

5

Maintenance

WARNING

When removing the cutting blade for sharpening or replacement, protect your hands with a pair of heavy gloves or use a heavy rag to hold the blade.

An unbalanced blade will cause excessive vibration when rotat- ing at high speeds. It may cause damage to mower, and could break causing per- sonal injury.

Cutting grass in sandy soil condition causes abrasive wear to the blade.

11

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MTD 60-1620-4 owner manual Rear Flap Replacement, Off-Season Storage, Blade Mounting Torque
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60-1620-4 specifications

The MTD 60-1620-4 is a robust and versatile outdoor power equipment machine designed for those who seek efficient and reliable lawn care. Known for its durability and performance, the MTD 60-1620-4 has become a preferred choice for both homeowners and professionals alike. This machine is part of MTD's extensive lineup of lawn care products, offering a blend of advanced features and technologies that enhance usability and efficiency.

One of the main features of the MTD 60-1620-4 is its powerful engine, which delivers strong performance under various conditions. This machine is equipped with a high-torque motor that ensures optimal cutting power, enabling it to tackle tough grasses and overgrown lawns without straining. Additionally, the engine is designed with fuel efficiency in mind, offering a balance between power and economy.

The MTD 60-1620-4 integrates cutting-edge technologies such as advanced deck design and precision cutting blades. The innovative deck geometry allows for improved airflow, which results in a cleaner cut and reduced clumping, while the high-quality blades are designed for longevity and sharpness. This combination ensures that the operator experiences minimal downtime, allowing for more efficient mowing sessions.

Another noteworthy characteristic of the MTD 60-1620-4 is its user-friendly controls and ergonomic design. The machine features adjustable handles, allowing users to find a comfortable operating position, which is particularly helpful for long mowing sessions. The intuitive control layout ensures that operators can easily access various functions without distraction, enhancing safety and comfort during use.

In addition to its functional features, the MTD 60-1620-4 is built with rugged materials that withstand the rigors of outdoor use. The frame is constructed from heavy-duty steel, providing stability and durability over time. Moreover, the machine's wheels are designed for a smooth roll over any terrain, making it suitable for various lawn types.

Maintenance of the MTD 60-1620-4 is simplified due to its accessible components, allowing users to conduct routine checks and adjustments with ease. This focus on user maintenance means that owners can keep their machine in optimal working condition with minimal hassle.

In summary, the MTD 60-1620-4 combines power, efficiency, and user-friendly design, making it an excellent choice for anyone looking to maintain a pristine lawn. Whether for residential use or professional landscape maintenance, this machine's advanced features and robust construction ensure it stands out in the competitive lawn care equipment market.
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