Murray 42590A Parts Manual
![Murray 42590A Tractor manual cover](/images/imXfnjozzSAzkskIijgpZyyv/thumbs/thumb175x175.webp)
To start the Murray 42590A Tractor, first ensure the gear is in neutral and the brake is engaged. Insert the key into the ignition and turn clockwise to start the engine.
If the tractor won't start, check the battery connections for corrosion or looseness. Ensure there is fuel in the tank and the fuel valve is open. Inspect the spark plug for damage or wear.
To change the oil, run the engine for a few minutes to warm it up, then turn it off. Remove the oil drain plug and allow the old oil to drain completely. Replace the drain plug and refill with new oil as per the manufacturer's specifications.
The recommended oil for the Murray 42590A Tractor is SAE 30 for temperatures above 32°F (0°C) and 10W-30 for temperatures below 32°F (0°C).
To sharpen the blades, first remove them from the mower deck. Use a grinder or a sharpening stone to sharpen each blade, maintaining the original angle. Rebalance the blades before reinstalling them.
Refer to the owner's manual for a detailed maintenance schedule, but generally, change the oil every 50 hours of use, check the air filter monthly, and inspect the belts and blades regularly.
To clean the air filter, remove the cover and take out the filter. If it's a paper filter, tap it gently to remove debris. For foam filters, wash them with soap and water, then allow them to dry before reinserting.
If the tractor is cutting unevenly, check the tire pressure to ensure it's even on all sides. Inspect the mower deck for levelness and adjust as necessary. Make sure the blades are sharp and properly installed.
For transmission issues, check the drive belt for wear or damage and replace if necessary. Ensure the transmission fluid is at the correct level and not contaminated. Consult the manual for further checks if needed.
Always wear protective eyewear and sturdy footwear. Keep hands and feet clear of moving parts. Never allow passengers on the tractor and operate only in daylight or good artificial light.