Toro Z Master Z150 44-inch 74164 Operator's Manual
![Toro Z Master Z150 44-inch 74164 Mower manual cover](/images/EHfMmBJjZgNJyiaIFoLVUiSW/thumbs/thumb175x175.webp)
The recommended oil type for the Toro Z Master Z150 is SAE 10W-30 or SAE 30 for temperatures above 32°F (0°C). For temperatures below 32°F, use SAE 5W-30.
It is recommended to change the oil after the first 5 hours of operation, and then every 100 hours or annually, whichever comes first.
The correct tire pressure for the Toro Z Master Z150 mower is 13 psi for the rear tires and 15 psi for the front tires.
To adjust the cutting height, use the height-of-cut lever located near the operator’s seat. Move the lever to the desired cutting height position, which ranges from 1.5 inches to 4.5 inches.
If your mower won't start, check the battery connections, ensure the fuel tank has fresh gasoline, and inspect the spark plug for wear or damage. Additionally, make sure the PTO switch is off and the parking brake is engaged.
To ensure the blades are sharp, visually inspect them for dullness or nicks and replace or sharpen if necessary. Regular sharpening every 25 hours of use is recommended to maintain cutting efficiency.
Before storing, clean the mower deck, change the oil, empty the fuel tank or add a fuel stabilizer, and disconnect the battery. Store the mower in a dry, covered area to protect it from the elements.
To replace the air filter, first, remove the air filter cover. Take out the old filter and replace it with a new one, ensuring it is properly seated. Then, reattach the air filter cover securely.
If the mower deck belt slips or breaks, inspect the belt for wear or damage and replace it if necessary. Ensure pulleys are aligned and free of debris. Refer to the user manual for the correct belt installation procedure.
To improve fuel efficiency, regularly maintain the engine by changing the oil, air filter, and spark plug. Keep the blades sharp and the tires properly inflated. Mow at the recommended speed and avoid overloading the engine.