Murray 38500A Parts Manual
![Murray 38500A Tractor manual cover](/images/kAMzVCnEKslZIMsdUYEexFOx/thumbs/thumb175x175.webp)
To change the oil, first ensure the tractor is on a flat surface. Locate the oil drain plug under the engine. Place an oil catch pan underneath, remove the plug, and allow the old oil to drain completely. Replace the drain plug, and fill the engine with new oil as specified in the manual. Check the oil level with the dipstick to ensure proper filling.
First, check the battery connections to ensure they are clean and tight. Verify that the battery is charged. Inspect the spark plug for wear or damage and replace if necessary. Ensure the fuel tank has clean, fresh gasoline. If the tractor still won't start, consult the manual or contact a professional technician.
To replace the mower blades, first disconnect the spark plug to prevent accidental starting. Tilt the tractor safely to access the underside. Use a wrench to remove the blade bolts. Replace the old blades with new ones, ensuring they are installed in the correct direction. Tighten the bolts securely before lowering the tractor.
Uneven cutting can result from dull blades, incorrect tire pressure, or an uneven deck. Sharpen or replace dull blades. Check the tire pressure and adjust as necessary. Ensure the mower deck is level by checking the height on both sides and adjusting if needed.
Regularly inspect the battery terminals for corrosion and clean them with a wire brush if needed. Ensure the battery is securely mounted. During the off-season, disconnect the battery and store it in a cool, dry place. Charge the battery periodically to maintain its life.
Use unleaded gasoline with a minimum octane rating of 87. Avoid using gasoline with more than 10% ethanol content, as it can damage the engine components. Always use fresh fuel to avoid starting issues.
If experiencing transmission issues, first check the transmission fluid level and top it up if necessary. Inspect for leaks around the transmission area. Ensure the drive belt is in good condition and correctly tensioned. If problems persist, consult a professional technician.
Regular maintenance includes changing the oil and air filter, checking and replacing the spark plug, sharpening the blades, inspecting belts and battery, and cleaning the mower deck. Follow the maintenance schedule in the manual for optimal performance.
To clean the mower deck, first remove any excess grass clippings with a brush or scraper. Use a hose to wash away dirt and debris. Ensure the deck is dry before storing the tractor to prevent rust. Consider using a silicone spray to protect the deck surface.
Before storing, clean the tractor thoroughly and perform any necessary maintenance. Remove the battery and store it in a cool, dry place. Add a fuel stabilizer to the tank to prevent fuel degradation. Store the tractor in a dry, sheltered location to protect it from the elements.