Toro Z Master Z557 74243 Operator's Manual
![Toro Z Master Z557 74243 Mower manual cover](/images/pNlLhZgiWIQsqqpiMjSkdClm/thumbs/thumb175x175.webp)
To start the Toro Z Master Z557 74243, ensure the parking brake is engaged, the PTO switch is off, and the motion control levers are in the neutral position. Insert the key and turn it to the 'Start' position. Once the engine starts, release the key.
If the mower blades do not engage, check that the PTO switch is in the 'On' position. Ensure the engine is running at full throttle and inspect the PTO belt for wear or damage. Replace the belt if necessary.
Change the oil after the first 5 hours of use and then every 100 hours of operation or annually, whichever comes first. Use SAE 10W-30 oil for optimal performance.
Maintain the front tires at 13 psi and the rear tires at 13 psi for optimal performance and stability. Regularly check the tire pressure to ensure safe operation.
To adjust the cutting height, use the height-of-cut lever located on the right side of the mower. Move the lever to the desired position, ranging from 1.5 to 5 inches, to achieve the preferred grass height.
Check the air filter every 25 hours of operation or more frequently in dusty conditions. Replace the air filter annually or after 100 hours of operation to ensure proper engine performance.
If the mower doesn't start, check the fuel level, ensure the battery is charged, and inspect the spark plug for wear. Verify that all safety switches are engaged and try starting the mower again.
To winterize the mower, clean the deck, change the oil, add fuel stabilizer, and charge the battery. Store the mower in a dry, covered area to protect it from harsh weather conditions.
To improve fuel efficiency, keep the engine well-maintained, ensure the air filter is clean, and operate at optimal throttle settings. Regularly check and maintain the correct tire pressure.
Regularly inspect the belts for wear, check the oil level, ensure the blades are sharp, and verify that the safety features are functioning correctly. Keep the mower clean and free of debris.