Toro 21-inch 20631 Operator's Manual

Pages 12

Year 1988

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Toro 21-inch 20631 Mower Specification

The Toro 21-inch 20631 Mower is a versatile and efficient machine designed for residential lawn maintenance. This mower features a robust 163cc Briggs & Stratton engine, delivering reliable power and performance for a variety of grass conditions. The 21-inch steel cutting deck is engineered for durability and provides a wide cutting path, reducing the number of passes needed to mow a lawn efficiently. Equipped with a 3-in-1 cutting system, it offers mulching, bagging, and side discharge capabilities, allowing users to choose the most suitable method for their lawn care needs. The Toro 20631 incorporates a variable speed self-propel system, enhancing maneuverability and reducing operator fatigue by adjusting to the desired walking pace. The mower is designed with a height adjustment feature, offering multiple cutting positions to achieve the preferred grass height. Ergonomically designed controls and a comfortable grip handle enhance user experience, while its compact design facilitates easy storage and transport. The mower's durable wheels provide excellent traction and stability across various terrains. The Toro 21-inch 20631 Mower blends power, versatility, and ease of use, making it a practical choice for homeowners seeking a reliable lawn maintenance solution.

Toro 21-inch 20631 Mower F.A.Q.

How do I start the Toro 21-inch 20631 Mower?

To start the Toro 21-inch 20631 Mower, ensure the fuel valve is open, the throttle is set to 'choke' for a cold start, and the blade control bar is engaged. Pull the starter handle firmly.

What type of oil should I use for the Toro 20631 Mower?

Use SAE 30 detergent oil with an API service classification of SF, SG, SH, SJ, or higher. For temperatures below 40°F, use SAE 10W-30.

How often should I sharpen the mower blade?

Sharpen the mower blade twice a season or after every 25 hours of use to ensure optimal cutting performance.

What should I do if the mower doesn't start?

Check the fuel level, ensure the spark plug is connected, verify the air filter is clean, and check for any fuel line blockages.

How do I adjust the cutting height on the Toro 20631 Mower?

To adjust the cutting height, move the height adjustment lever located on each wheel to the desired position. Ensure all wheels are set to the same height.

Can I use the mower on wet grass?

It's not recommended to use the mower on wet grass as it can cause clumping, uneven cutting, and may damage the mower.

How do I clean the mower deck?

After each use, disconnect the spark plug, turn the mower on its side, and use a hose to remove grass clippings from the deck. Avoid using high pressure.

How do I replace the air filter on the Toro 20631 Mower?

To replace the air filter, remove the cover, take out the old filter, and insert a new one. Ensure the filter is seated properly before replacing the cover.

What should I do to winterize the Toro 20631 Mower?

To winterize, drain the fuel or add a fuel stabilizer, change the oil, clean the deck, and store in a dry location. Disconnect the spark plug.

How do I change the spark plug on the Toro 21-inch 20631 Mower?

Remove the spark plug wire, use a socket wrench to remove the old plug, and install a new one with the correct gap setting. Reattach the wire.