Murray 425607x52A Parts Manual
![Murray 425607x52A Tractor manual cover](/images/jEjuSEELeBpvZgfEafTFEsJI/thumbs/thumb175x175.webp)
To change the oil, first, run the engine for a few minutes to warm it up, then turn it off. Locate the oil drain plug underneath the engine, place an oil pan beneath, and remove the plug to drain the oil. Replace the drain plug and refill the engine with the recommended oil type and quantity. Finally, check the oil level with the dipstick.
If the tractor won't start, check the battery connections for corrosion and ensure they are tight. Verify the fuel level and check for clogged fuel filters. Inspect the spark plug for wear or damage and replace if necessary. Ensure the safety features, like the seat switch, are engaged properly.
Disconnect the spark plug to prevent accidental starts. Lift the tractor and secure it. Remove the blade by loosening the bolt holding it in place. Use a bench grinder or a sharpening file to sharpen the blade, keeping the original angle. Balance the blade before reinstalling it.
Perform regular checks on the oil level and air filter condition every 25 hours of use. Sharpen the blades and check tire pressure every 50 hours. Change the oil, replace the oil filter, and inspect the belts annually. Clean the engine cooling fins and replace the spark plug as needed.
To replace the drive belt, first, disconnect the spark plug. Remove the mower deck and locate the old belt. Release the tensioner pulley and slide the old belt off. Install the new belt by following the belt routing diagram provided in the manual, then reattach the mower deck.
Excessive vibration can be caused by unbalanced blades, loose components, or damaged pulleys. Check for debris stuck in the blades and ensure all bolts are tightened. Inspect the blades for damage and balance them if necessary. Also, check the pulleys and bearings for wear.
The recommended oil type for the Murray 425607x52A Tractor is SAE 30 for temperatures above 32°F (0°C) and 10W-30 for varying temperature ranges. Always check your owner's manual for specific requirements and capacities.
Ensure the blades are sharp and properly balanced. Mow when the grass is dry to prevent clumping. Keep the engine running at full throttle for optimal blade speed. Adjust the mower deck to the correct height and ensure it is level. Regularly clean the underside of the mower deck.
If the tractor is not moving, check the drive belt for wear or damage and replace it if necessary. Ensure the transmission is properly engaged and the freewheel control is set to the drive position. Inspect the transmission fluid and top it off if needed.
To winterize the tractor, clean the exterior and mower deck thoroughly. Change the oil and replace the oil filter. Add fuel stabilizer to the tank and run the engine for a few minutes to circulate it. Remove the battery and store it in a cool, dry place. Cover the tractor to protect it from dust and moisture.