How to Maintain Your Tiller

This is where you’ll need to know how to read a dipstick for oil level, which is a simple task. Make sure your tiller is on a level surface to get the most accurate reading. Start by removing the dipstick. Sometimes, the dipstick is integrated into the oil cap. Wipe the dipstick off with a clean cloth or paper towel. Then reinsert it all the way, carefully pulling it back out. Note where the oil is between the minimum and maximum marks on the stick. If it’s at or near the top, your oil level is fine. If it’s at or below the minimum mark, it’s time to add more oil. If it falls between the minimum and maximum marks, it’s still in a good range for operation, but it’s ok to add more. To add oil, make sure the tiller is on a level surface. Before removing the oil cap, clean around it to get rid of any dirt or debris. Take the cap off. Rest the tiller on its carry handlebar, wiping the cap and the dipstick off. Pour the oil into the opening, to the edge of the hole, making sure not to overfill. Use only the manufacturer recommended oil.

Some tillers need an oil change after every 50 hours of use or once a year, while others might require it more frequently. If you’re using your tiller for the first time, it’ll likely need to be changed before the 50-hour mark. If you checked the oil and it looked dirty, it’s time to replace it. Refer to the manufacturer’s maintenance schedule and change the oil as directed. Below are general steps for changing oil.

• Change the engine oil while it’s warm — but not hot — so it’s easier to drain.
• If you’re performing this task on a cold engine, allow it to run for a few minutes to warm up the oil.
• Park the tiller on a level surface and place an appropriate container under the engine to catch the old oil.
• Clean around the oil cap before removing it, then remove the cap.
• Tip the tiller so that the oil drains through the oil opening, into the container. Make sure the oil is drained completely.
• Use only manufacturer recommended oil. Fill the fresh oil to the edge of the hole, being careful not to overfill.
• Screw the oil cap back on and properly dispose of the old oil.

The air filter helps keep dirt from getting inside the engine. Before using your tiller, check to be sure the air filter is clean. After you’re finished with your project, clean the air filter. It’ll have collected dirt and debris that’ll need to be removed. If it’s visibly dirty (even after clearing it of dirt) or damaged in any way, it’s time to replace it.

Some air filters are foam and some are paper. Foam air filters can generally be cleaned with water and mild detergent. Paper filters should always be replaced with a brand new filter. Working in dusty areas requires you to clean the air filter more often.

Typically, you’ll only need to check the spark plug once a year, before using your tiller for the first time each season. More frequent tiller use requires checking the spark plug sooner, such as after every 100 hours of use. In most cases, you’ll only need to replace the spark plug every two years, or as recommended by the manufacturer. If you’re not sure how to replace a spark plug, your owner’s manual has instructions.

To get to the spark plug, remove the fan cover. Disconnect the spark plug cap, then clean around the area to get rid of any dirt. Remove the spark plug with a spark plug socket and inspect it for wear and tear. If it looks worn or has any damage, it’ll need to be replaced.

Check fuel levels before starting your project. If the fuel is low, add more. Always use clean, fresh fuel and only use fuel that’s recommended by the manufacturer. Do not use dirty or contaminated fuel.

Check for any tines that may have been damaged during use. Do not use your tiller if any tines are bent or broken or are not securely connected to the machine. Sharpen dull tines but be careful not to change their shape. Replace damaged tines.

Do an overall inspection of the tires before use, making sure they’re not worn or damaged and that they are properly inflated. Use a tire pressure gauge to check the air pressure. Add air to tires that look flat. If the tire is damaged, replace it.

Keep all moving parts lubricated to reduce friction and wear and tear brought on by use. Proper lubrication ensures these parts last longer. Your owner’s manual should have instructions on how to apply lubrication, what parts to apply it to, and how often it’s needed.

After each use, clean off your tiller. Dirt, plant matter and other debris that isn’t removed can cause rust and corrosion. Checking that the tiller is off, start removing what you can by hand. For stubborn stuck-on dirt, plants or grass, use a brush to get it off. Then rinse the tiller with a hose or pressure washer, spraying the top, tines and underside. Be careful not to get water on the engine or any electrical components. Let the tiller dry completely before storing.