Murray 38502x86A Parts Manual

Ensure the PTO is disengaged, the parking brake is set, and the throttle is in the correct position. Insert the key and turn it to start the engine.
Check the battery connections, fuel level, spark plug condition, and ensure the safety switches are properly engaged.
Change the oil after the first 5 hours of use and then every 50 hours or annually, whichever comes first.
Use SAE 30 motor oil for temperatures above 32°F (0°C) and SAE 5W-30 for temperatures below 32°F (0°C).
Ensure the blades are sharp, the deck is level, and the grass is dry. Mow at the correct height and speed for the best results.
Check the PTO switch, the drive belts for wear or damage, and ensure the battery is fully charged.
Clean the tractor, change the oil, remove the battery and store it in a cool, dry place. Add a fuel stabilizer to the fuel tank and store the tractor in a dry, covered area.
The recommended tire pressure is typically 10 psi for the front tires and 14 psi for the rear tires. Always check the manual for your specific model.
Check if the deck is level, ensure blades are sharp, and inspect for any obstructions under the deck.
Regularly check and clean the air filter, change the oil, sharpen the blades, and inspect belts and tires for wear.