Toro 21-inch SD 16400 Operator's Manual

Toro 21-inch SD 16400 Mower manual cover
Pages 16
Year 1997
Language(s)
English en

Toro 21-inch SD 16400 Mower Specification

The Toro 21-inch SD 16400 Mower is a versatile and robust lawn maintenance machine designed for residential use. This mower features a 21-inch cutting deck, which offers a balance between maneuverability and efficient coverage, making it suitable for medium-sized lawns. The cutting deck is constructed from durable steel, ensuring longevity and resistance to wear and tear. Powered by a reliable engine, the Toro 16400 provides consistent performance with optimal fuel efficiency. It incorporates a rear-wheel drive system, enhancing traction and control, especially on uneven terrain.

The mower is equipped with a height adjustment mechanism that allows users to easily select from multiple cutting heights, ranging from 1.25 to 3.75 inches, accommodating various grass types and desired lawn finishes. The Toro 16400 supports multiple grass disposal options, including bagging, mulching, and side discharge, offering flexibility based on user preference and lawn conditions. Its ergonomically designed handle provides comfortable grip and control, reducing operator fatigue during extended use. Additionally, the handle can be adjusted to different heights, catering to users of varying statures.

For ease of maintenance, the Toro 21-inch SD 16400 features a washout port that allows for easy cleaning of the cutting deck, preventing buildup and ensuring optimal performance. Designed with user safety in mind, it includes a blade brake system that stops the blade quickly when necessary. Overall, the Toro 21-inch SD 16400 Mower combines durability, efficiency, and user-friendly features, making it a reliable choice for homeowners seeking a high-performing lawn care tool.

Toro 21-inch SD 16400 Mower F.A.Q.

How do I start the Toro 21-inch SD 16400 Mower?

To start the Toro 21-inch SD 16400 Mower, ensure the fuel valve is open, the throttle is set to 'fast', and the blade control bar is held against the handle. Pull the starter handle firmly.

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

If the mower doesn't start, check for fuel in the tank, ensure the spark plug is connected, and inspect the air filter for clogs. Also, verify that the blade control bar is engaged.

How often should I change the oil in my Toro 21-inch SD 16400 Mower?

Change the oil after the first 5 hours of use, then every 25 hours or at the start of each mowing season. Use SAE 30 oil for optimal performance.

What is the correct way to clean the mower deck?

To clean the mower deck, ensure the engine is off and cool. Tilt the mower on its side and use a hose to remove grass clippings. Avoid using high pressure as it may damage components.

How do I adjust the cutting height on the Toro 21-inch SD 16400 Mower?

Adjust the cutting height by using the levers located on each wheel. Move the levers to the desired position to raise or lower the mower deck.

What should I do if the mower vibrates excessively during operation?

Excessive vibration may indicate a loose blade or damaged engine mount. Check the blade for tightness and inspect for damage. If issues persist, consult a professional.

How can I improve the mower's fuel efficiency?

To improve fuel efficiency, regularly clean or replace the air filter, ensure the blade is sharp, and mow with the throttle set to 'fast'. Avoid mowing wet grass.

How do I store the mower for winter?

For winter storage, drain the fuel tank, change the oil, and clean the mower thoroughly. Store in a dry, sheltered area to prevent rust and damage.

What type of spark plug does the Toro 21-inch SD 16400 Mower use?

The Toro 21-inch SD 16400 Mower typically uses an NGK BPR6ES or equivalent spark plug. Check your owner's manual for specifications.

How do I troubleshoot uneven cutting?

Uneven cutting can be caused by a dull blade, incorrect mower deck height, or uneven tire pressure. Sharpen the blade, adjust the deck height, and check tire pressure.