Toro LX420 13AX60RG544 Operator's Manual
![Toro LX420 13AX60RG544 Tractor manual cover](/images/SjTBPvJUBWrvmPtQpbZCjesP/thumbs/thumb175x175.webp)
To change the oil, start by running the engine for a few minutes to warm it up, then turn it off. Place a drain pan under the oil drain plug, remove the plug, and allow the oil to drain completely. Replace the drain plug, fill with new oil through the oil fill cap, and check the oil level with the dipstick.
The recommended oil for the Toro LX420 is SAE 10W-30 for general use. Always refer to the owner's manual for specific recommendations based on your climate and operating conditions.
First, locate the spark plug and disconnect the spark plug wire. Use a spark plug socket to remove the old spark plug. Check the gap on the new spark plug and adjust if necessary. Install the new spark plug, tighten it securely, and reconnect the spark plug wire.
Start by checking the fuel level and ensure that the fuel valve is open. Verify the battery is charged and connected properly. Check the spark plug for wear or fouling, and inspect the air filter for clogs. If these steps don’t resolve the issue, consult a professional technician.
To sharpen the blades, first disconnect the spark plug wire for safety. Remove the blade by loosening the bolt holding it in place. Use a file or a bench grinder to sharpen the cutting edge, maintaining the original angle. Rebalance the blade, then reinstall it securely.
Excessive vibration can be caused by unbalanced blades, loose components, or worn belts. Check the blades for damage and balance them if needed. Tighten any loose bolts and inspect the drive belts for wear and proper tension.
Remove the air filter cover and take out the air filter. If it’s a foam filter, wash it with warm soapy water, rinse, and allow it to dry completely before oiling lightly. For paper filters, tap gently to remove dirt or replace if it’s heavily soiled. Reinstall the filter and cover securely.
Before storage, change the oil, clean or replace the air filter, and charge the battery. Add fuel stabilizer to the tank and run the engine for a few minutes. Clean the mower deck and undercarriage, and store the tractor in a dry, sheltered location.
Park the tractor on a level surface and ensure tire pressure is correct. Measure from the ground to the blade tip on each side. Adjust the deck hanger links until the blade tips are level from side to side and slightly lower in the front for optimal cutting performance.
Check the drive belts for wear and proper tension. Inspect the transmission fluid level and top off if necessary. If the problem persists, the transmission may require professional servicing or replacement.