The warm weather has arrived, and with it comes the dreaded chore of mowing the lawn. You pull your trusty push lawnmower out of the shed, only to find it’s been sitting idle for a while, and you’re not sure how to get it up and running. Don’t worry – getting your lawnmower ready for the season isn’t as complicated as it seems! One of the most important steps is making sure you have the right amount of engine oil. This article will guide you through the process of adding oil to your push lawnmower, covering everything from identifying the correct type of oil to understanding the importance of regular oil changes.
A quick overview:
To put oil in a push lawnmower, you’ll first need to identify the oil fill cap and the type of oil your mower requires. Then, you’ll need to remove the dipstick, check the oil level, and add oil as needed. Finally, you’ll need to wipe away any spills and dispose of the used oil properly.
Identifying the Oil Fill Cap and Oil Type
The first step in adding oil to your push lawnmower is to locate the oil fill cap. It’s typically located on the top or side of the engine, often marked with a symbol of an oil can or the word “Oil.” Once you’ve found the cap, you’ll need to identify the type of oil your mower requires.
Choosing the Right Oil
The owner’s manual for your lawnmower is your best resource for determining the correct oil type. It will specify the oil viscosity (SAE rating) and type (e.g., 4-stroke oil). Common oil viscosities used in push lawnmowers include SAE 30, SAE 10W-30, and SAE 5W-30.
Understanding Oil Viscosity
Oil viscosity refers to its thickness or resistance to flow. The SAE rating on an oil container indicates its viscosity at different temperatures. For example, SAE 30 oil is designed for use in warm temperatures, while SAE 10W-30 oil is better suited for colder temperatures.
Oil Type: 4-Stroke vs. 2-Stroke
Most push lawnmowers use 4-stroke engines, which require a separate oil reservoir and lubrication system. However, some older or smaller mowers might have 2-stroke engines, which require a pre-mixed oil and gas mixture. The owner’s manual will clearly state which type of engine your mower has and the appropriate oil type.
Checking the Oil Level
Once you’ve identified the oil fill cap and selected the correct oil, it’s time to check the oil level.
Using the Dipstick
- Locate the dipstick: It’s usually located near the oil fill cap. It’s a long, thin rod with a handle or loop at the top.
- Remove the dipstick: Pull it out of the engine and wipe it clean with a rag or paper towel.
- Reinsert the dipstick: Insert it back into the engine all the way and then pull it out again.
- Check the oil level: The oil level should be between the “Full” and “Low” marks on the dipstick.
Adding Oil
If the oil level is below the “Full” mark, you’ll need to add more oil.
- Open the oil fill cap: Unscrew the cap and carefully pour the oil into the fill opening.
- Don’t overfill: It’s important not to overfill the oil reservoir. Overfilling can lead to problems like engine damage.
- Check the oil level again: After adding oil, check the dipstick to ensure the oil level is at the “Full” mark.
Maintaining Your Mower’s Engine: The Importance of Oil Changes
Oil is essential for keeping your lawnmower’s engine running smoothly. It lubricates moving parts, cools the engine, and helps to prevent wear and tear. Regular oil changes are critical for maintaining your mower’s engine health and extending its lifespan.
When to Change the Oil
The frequency of oil changes depends on factors such as the type of oil used, the age of the mower, and how often you use it. However, it’s generally recommended to change the oil every 25 hours of operation or at the beginning of each season.
Signs You Need an Oil Change
- Dark or gritty oil: Oil that’s dark or contains debris indicates it’s time for a change.
- Low oil level: If the oil level is consistently low, despite regular checks, it could indicate a leak or excessive oil consumption.
- Engine noise: If your mower’s engine is making unusual noises, it could be a sign of insufficient lubrication.
How to Change the Oil
Changing the oil in your push lawnmower is a relatively simple process:
- Locate the oil drain plug: It’s usually located at the bottom of the engine.
- Warm up the engine: Running the mower for a few minutes will help thin the oil and make it easier to drain.
- Place a drain pan: Place a container beneath the drain plug to catch the used oil.
- Remove the drain plug: Use a wrench to loosen and remove the drain plug.
- Drain the oil: Allow the oil to drain completely into the pan.
- Replace the drain plug: Reinstall the drain plug and tighten it securely.
- Add new oil: Use a funnel to add the correct amount of new oil through the oil fill cap.
- Check the oil level: Once you’ve added new oil, check the dipstick to ensure the oil level is at the “Full” mark.
Disposing of Used Oil
Used motor oil should never be poured down the drain or into the environment. It’s important to dispose of it responsibly:
- Recycling centers: Many communities have designated recycling centers for used oil.
- Automotive stores: Some automotive stores will accept used oil for recycling.
- Household hazardous waste facilities: Most communities have hazardous waste facilities that will accept used oil.
Conclusion
Adding oil to your push lawnmower is a simple but essential task for keeping your mower running smoothly. By understanding the oil type your mower requires, checking the oil level regularly, and performing oil changes when necessary, you can ensure your lawnmower is in top shape for years to come. Remember to always consult your owner’s manual for specific instructions and recommendations regarding your mower’s oil needs.
FAQ
Q1. How much oil does my push mower need?
The amount of oil your push mower needs depends on the engine size and the oil capacity specified in your owner’s manual. Most small push mowers use between 16 and 20 ounces of oil. Check your owner’s manual to find out the exact amount for your specific mower.
Q2. What type of oil should I use for my push mower?
The best oil for your push mower is a high-quality, 4-stroke engine oil that meets the specifications recommended in your owner’s manual. Look for oil that meets the API (American Petroleum Institute) service classification for your engine. Most push mowers use SAE 30 oil, but some may require different viscosities.
Q3. Where do I put the oil in my push mower?
The oil fill cap is typically located on the top or side of the engine. It’s often marked with a symbol of an oil can or the word “Oil.” Unscrew the cap to access the oil fill opening.
Q4. How do I know when my mower needs oil?
Your mower will usually have a dipstick that measures the oil level. To check the oil, remove the dipstick, wipe it clean, and then reinsert it fully. Pull it out again and check the oil level against the markings on the dipstick. If the oil level is below the “Low” mark, you need to add more oil.
Q5. What happens if I put too much oil in my mower?
Putting too much oil in your mower can damage the engine. If the oil level is too high, it can be forced past the piston rings and into the combustion chamber, causing damage and potentially even engine failure.
Q6. Can I use regular motor oil in my push mower?
You can use regular motor oil in your push mower, but it’s important to make sure it’s the correct type of oil for your engine. Using the wrong type of oil can lead to engine damage.
Q7. How often should I change the oil in my push mower?
You should change the oil in your push mower every 25 hours of use or at least once a year, whichever comes first. Changing the oil regularly will help keep your engine clean and running smoothly.