Wheels

The wheels require no lubrication. However, if the wheels are removed for any reason, lubricate the surface of the axle bolt and the inner surface of the wheel with light oil. Engine oil may also be used.

When tipping the unit, empty the fuel tank and keep engine spark plug side up.

Lube

Figure 13 : Lubrication Chart

Blade Care

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

WARNING: When removing the cutting blade for sharpening or replacement, protect hands by using heavy gloves or a rag to grasp the cutting blade.

To remove blade

Remove the bolt and blade support or bell washer which hold the blade and adapter to the engine crankshaft. See Figure 14. Remove the blade and adapter from the crankshaft.

Blade Adapter

Blade

Blade

Bell

Support

Hex Bolt

Figure 14

To balance blade

When sharpening the blade, follow original angle of grind as a guide. It is extremely important to grind off all edges equally to keep the blade balanced.

NOTE: An unbalanced blade will cause excessive vibration when rotating at high speeds and may cause damage to the mower and/or personal injury.

Test the blade by balancing it on a round shaft screwdriver. See Figure 15.

Remove metal from the heavy side until it balances evenly. Always remove blade from the adapter for the best test of balance.

1.

Insert screw driver through hole

2.

Blade should be parallel to ground

Screw

Blade

Driver

 

 

Ground

Figure 15

To reassemble blade

Lubricate the engine crankshaft and the inner surface of the blade adapter with light oil (or engine oil). Also lubricate the bolt holes, bolts and inner surface of the nuts.

Install the blade adapter on the crankshaft with the “star” away from the engine. Refer to Figure 14. 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. Tighten the hex bolt to the torque listed in the “Blade Mounting Torque” section below.

Blade Mounting Torque

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

IMPORTANT: To ensure safe operation, all nuts and bolts must be checked periodically for correct tightness.

Replacing Rear Flap

To remove rear flap, compress the hinge clips and remove from the slots in rear of deck.

Attach new rear flap by placing new spring clips in the slots on the flap. Then compress the spring clips and reinsert in slots in rear of deck.

Engine

Follow engine manual for instruction and schedule of maintenance and lubrication.

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MTD 021, 022 manual Blade Care, Replacing Rear Flap, Engine

022, 021 specifications

MTD 021 and 022 represent two significant models within the landscape of modern technology, primarily geared towards enhancing efficiency, connectivity, and user experience. Both models are designed to meet the evolving needs of consumers and businesses alike, focusing on innovative features and advanced technologies.

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In conclusion, MTD 021 and 022 are trailblazers in their category, characterized by their powerful performance, advanced connectivity options, impressive battery life, stylish design, and robust security features. As technology continues to advance, these models stand out as excellent choices for users looking to enhance their digital experience.