Murray 46404x6A Parts Manual
![Murray 46404x6A Tractor manual cover](/images/EtPlkbaCCsaJwNpIGiavzMHC/thumbs/thumb175x175.webp)
To change the oil, first warm up the engine to ensure the oil flows smoothly. Turn off the engine and remove the oil drain plug. Allow the oil to drain completely. Replace the drain plug and refill with new oil, ensuring it is the correct grade for your tractor.
The recommended tire pressure is usually around 10-12 PSI for the front tires and 8-10 PSI for the rear tires. However, always check the sidewall of the tire for the manufacturer's specifications.
If the tractor won't start, check the battery connections and ensure they are clean and tight. Also, verify that the fuel tank has fuel and that the fuel valve is open. Inspect the spark plug for wear or damage.
Regular maintenance includes checking and changing the oil, inspecting the air filter, sharpening or replacing blades, checking tire pressure, and inspecting belts for wear.
To replace the blades, ensure the tractor is off and the spark plug is disconnected. Carefully lift the tractor and secure it. Remove the blade bolt and the old blade, then install the new blade, ensuring it is securely fastened.
Excessive vibration can be caused by unbalanced blades or debris lodged in the mower deck. Check the blades for balance and ensure they are properly aligned. Remove any debris from the deck.
To clean the air filter, remove the filter cover and take out the filter. If it's a foam filter, wash it with warm, soapy water, rinse, and allow it to dry before reinstalling. For paper filters, tap gently to remove dirt or replace if overly dirty.
The recommended oil type is typically SAE 30 for warmer temperatures and 10W-30 for varying temperature ranges. Always consult the owner's manual for specific recommendations.
Adjust the cutting height by locating the height adjustment lever, usually positioned near the wheels or on the mower deck. Move the lever to the desired height setting. Ensure all wheels are set to the same height for an even cut.
If uncut patches are left, check the sharpness of the blades and sharpen or replace them if necessary. Also, ensure the mower deck is clean and the grass is not too wet or too high for a single pass.