Toro ProLine Recycler 21-inch 22038 Operator's Manual

To start the mower, ensure the fuel valve is open, the throttle is set to the choke position, and the blade control lever is engaged. Pull the starter rope sharply.
Perform regular maintenance including changing the oil every 25 hours of use, cleaning or replacing the air filter every 25 hours, and sharpening the blade as needed.
Check the fuel level, ensure the spark plug is clean and properly connected, and verify that the air filter is not clogged. Also, make sure the blade control lever is engaged.
Use fresh, unleaded gasoline with an octane rating of 87 or higher. Avoid using ethanol blends with more than 10% ethanol.
Empty the fuel tank or add a fuel stabilizer, clean the mower thoroughly, and store it in a dry, sheltered location. Disconnect the spark plug to prevent accidental starts.
To adjust the cutting height, locate the height adjustment levers on each wheel. Move the levers to the desired position, ensuring all wheels are set to the same height for even cutting.
Uneven cutting may be caused by a dull blade, incorrect cutting height, or uneven tire pressure. Sharpen the blade, check and adjust the cutting height, and ensure all tires are equally inflated.
Excessive vibration may be due to an unbalanced or damaged blade. Inspect the blade for damage and replace if necessary. Ensure the blade is properly balanced and tightened.
Ensure the engine is off and the spark plug is disconnected. Use a garden hose to rinse off grass clippings and debris from the deck. Avoid using high-pressure water, as it can damage components.
Check the drive belt for wear or damage and replace if needed. Ensure the self-propel cable is properly adjusted and not broken. Lubricate the wheels and axles if they appear stiff.