Toro Wheel Horse 42-inch 78291 Operator's Manual
![Toro Wheel Horse 42-inch 78291 Mower manual cover](/images/yDetREKZJlrisRVwXTpveAcB/thumbs/thumb175x175.webp)
To change the oil, first ensure the mower is on a flat surface. Run the engine for a few minutes to warm up the oil, then turn it off. Remove the oil drain plug and let the oil drain into a pan. Replace the drain plug and refill the engine with the recommended oil type and quantity.
If the mower won't start, check the fuel level and ensure the fuel is fresh. Inspect the spark plug for wear or damage and replace if necessary. Check the air filter and clean or replace it if it's dirty. Ensure all safety features are engaged properly.
Regularly sharpen the mower blades and ensure they are balanced. Adjust the cutting height according to your lawn's needs. Clean the mower deck to prevent grass buildup and ensure even cutting.
Perform regular maintenance such as checking and changing the oil, inspecting and cleaning the air filter, sharpening and balancing the blades, and checking tire pressure. Lubricate moving parts as recommended in the owner's manual.
Excessive vibration can be caused by unbalanced blades, loose bolts, or damaged components. Check the blades for balance and tighten any loose bolts. Inspect the mower deck and other components for damage.
To replace the drive belt, first disconnect the spark plug wire. Remove the mower deck and locate the belt. Carefully remove the old belt and install the new one, following the path described in the owner's manual. Reattach the mower deck.
Check the PTO (Power Take-Off) switch to ensure it is functioning. Inspect the deck belt for wear or damage and replace if necessary. Ensure all electrical connections are secure and clean.
To clean the underside of the deck, first disconnect the spark plug wire for safety. Tilt the mower carefully and use a brush or scraper to remove grass clippings and debris. Hose down the deck if necessary and dry it before storing.
Uneven cutting can result from a dull or unbalanced blade, incorrect tire pressure, or a misadjusted deck level. Check and correct these issues to improve cutting performance.
For winter storage, clean the mower thoroughly and remove any debris. Drain the fuel or add a fuel stabilizer. Change the oil and remove the battery. Store the mower in a dry, protected area.