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Writer's pictureNathan Thomas

Maintaining Your John Deere Ride-on Mower

Maintaining your John Deere ride-on mower is essential for ensuring a smooth cut, reliable operation, and extending the life of your equipment. Here’s a step-by-step guide to servicing your mower, whether it's for routine maintenance or prepping it for a new season.

1. Gather Your Tools and Supplies

Before you start, make sure you have the following items on hand:

  • Owner's manual (for specific recommendations on parts and fluids)

  • Engine oil (John Deere recommends certain oils depending on your climate)

  • Oil filter

  • Air filter

  • Fuel filter

  • Spark plug

  • New blades or sharpening tools

  • Grease gun and John Deere grease

  • Socket wrench, pliers, and screwdriver


2. Safety First

  1. Turn off the engine and remove the key.

  2. Engage the parking brake and disconnect the spark plug wire to prevent accidental starts.

  3. Work in a well-ventilated, flat area with good lighting.


3. Oil Change

Changing the oil keeps your mower running smoothly and prevents engine wear. You’ll want to change the oil at least once per season or every 50 hours of use.

  1. Locate the oil drain valve or plug, usually on the side of the engine. Place an oil pan beneath it.

  2. Remove the drain plug or open the valve, and allow the old oil to drain fully.

  3. Replace the plug or close the valve.

  4. Remove the oil filter and replace it with a new one, making sure to lubricate the gasket with fresh oil before installing.

  5. Add the recommended amount and type of oil as specified in your manual.

  6. Replace the oil cap, then run the engine for a few minutes before turning it off to check the oil level.


4. Air Filter Replacement

A clean air filter improves engine performance by allowing proper airflow.

  1. Open the filter cover, usually on the side of the engine.

  2. Remove the old filter and replace it with a new one.

  3. Ensure the cover is securely fastened.


5. Fuel Filter Replacement

To keep your fuel system clean, replace the fuel filter once per season.

  1. Locate the fuel filter, typically between the fuel tank and carburetor.

  2. Use pliers to remove the clamps on each end, then pull the fuel line off the filter.

  3. Replace with a new fuel filter, and ensure the clamps are secured.


6. Spark Plug Maintenance

  1. Disconnect the spark plug wire.

  2. Use a socket wrench to remove the spark plug.

  3. Check for wear or carbon deposits. If necessary, replace with a new spark plug of the same type.

  4. Install the new or cleaned spark plug and reattach the spark plug wire.


7. Sharpen or Replace Mower Blades

Sharp blades improve cutting quality and reduce strain on the engine.

  1. Lift the mower or use ramps to access the mower deck.

  2. Use a wrench to remove the blade bolts.

  3. Sharpen the blades with a grinder or file, or replace with new blades if they're worn.

  4. Reinstall the blades securely.


8. Grease Fittings and Moving Parts

John Deere recommends greasing certain components to ensure smooth operation.

  1. Use a grease gun to apply grease to the fittings (often on the wheels, spindles, and other moving parts).

  2. Wipe off any excess grease to prevent dust accumulation.


9. Battery Maintenance

Check the battery condition, especially if your mower has been sitting idle.

  1. Clean the battery terminals to prevent corrosion.

  2. Ensure all connections are tight.

  3. If your battery is low, charge it according to the manufacturer’s instructions.


10. Check Tire Pressure

Proper tire pressure ensures an even cut.

  1. Check the pressure with a tire gauge.

  2. Inflate to the pressure recommended in your owner’s manual.


11. Clean the Mower Deck

Grass clippings, mud, and debris can build up and damage your deck.

  1. Tilt the deck to access underneath.

  2. Use a scraper to remove clippings and debris.

  3. Hose down the deck and let it dry completely.


12. Final Inspection

After completing the steps above, do a quick check to ensure everything is secure, and all parts are reconnected. Test your mower on a small patch of grass to confirm it’s running smoothly.

By following these steps, you’ll keep your John Deere ride-on mower in top shape for seasons to come. For any parts or detailed information, consult your John Deere owner's manual or visit an authorized dealer. Regular servicing can help your mower perform its best and extend its lifespan. Happy mowing!



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