Murray 42910Ax92A Parts Manual

Ensure the tractor is in neutral, engage the parking brake, turn the ignition key to the start position, and hold until the engine starts.
Use SAE 30 oil for temperatures above 32°F and SAE 5W-30 for temperatures below 32°F.
Change the oil every 50 hours of operation or at the beginning of each season.
Check the drive belt for wear or damage, ensure the PTO switch is engaged, and verify that the battery is fully charged.
Check and adjust the tire pressure, ensure the deck is level, and inspect blades for sharpness and damage.
Check the battery charge, ensure the fuel is fresh, verify that the spark plug is clean, and check for clogged air filters.
Remove the air filter cover, take out the filter, clean it with compressed air or replace if necessary, and reassemble.
Install tire chains, reduce speed, and consider using a weight kit for added stability.
Clean the tractor thoroughly, remove the battery and store it in a cool, dry place, and add a fuel stabilizer to the tank.
Locate the height adjustment lever on the mower deck and move it to the desired position.