The warm weather has arrived, and you’re eager to get your lawn looking pristine. You grab your trusty lawn mower, give the pull cord a tug, and… nothing. The dreaded “dead pull” has struck, and you’re left staring at a seemingly broken machine. Don’t despair! This article will guide you through the process of replacing your lawn mower’s pull string, giving you the knowledge to tackle this common issue and get back to mowing in no time. We’ll cover everything from identifying the problem to installing a new pull string, providing detailed steps and helpful tips along the way.
A quick overview: The pull string, also known as the recoil starter, is an essential component of many lawn mowers. It’s responsible for starting the engine by transferring energy from your pull to the crankshaft. When the string breaks or becomes worn, the mower will fail to start. Replacing the pull string is a relatively simple procedure that can be done with basic tools and a little know-how.
Identifying the Problem
Before jumping into the replacement process, it’s crucial to determine if the pull string is indeed the culprit. Here are a few things to check:
1. The Starter Assembly:
* Visually inspect the pull string: Check for any obvious signs of damage, such as fraying, breakage, or detachment.
* Pull the string: Listen for any unusual sounds like clicking, grinding, or jamming.
2. The Engine:
* Spark Plug: Make sure the spark plug is properly connected and functioning.
* Fuel: Verify that there’s fuel in the tank and the fuel lines are clear.
3. The Recoil Housing:
* Lubrication: The recoil housing can become dry and stiff, hindering the string’s movement.
If you’ve checked these points and are confident the pull string is the issue, you’re ready to proceed with the replacement.
Gathering Your Supplies
Before you start working on your lawn mower, make sure you have the following:
- New Pull String: Ensure you get the right replacement pull string for your specific model.
- Screwdriver: A Phillips head screwdriver is typically needed.
- Wire Cutters: These are handy for trimming excess string.
- Gloves: Protect your hands while working.
- Work Area: Choose a clean, well-lit area for working on your lawn mower.
Disassembling the Recoil Starter
Now, let’s get started with the actual replacement process:
Step 1: Locate the Recoil Starter
The recoil starter is usually located on the side of the engine opposite the spark plug. It will have a plastic or metal housing with a pull handle attached.
Step 2: Remove the Recoil Starter Cover
- Locate the screws: There are typically 2-4 screws securing the recoil starter cover. They may be hidden beneath a pull handle or a small cover plate.
- Remove the screws: Use your screwdriver to carefully remove the screws.
- Lift off the cover: Gently lift the cover off the recoil starter housing.
Step 3: Remove the Old Pull String
- Identify the spring: You’ll find a spring that sits within the housing and helps the pull string retract.
- Remove the string: Locate the old pull string connected to the spring. It may be tied or clipped to the spring. You may need to use your fingers to gently pry it loose.
Installing the New Pull String
Step 4: Prepare the New Pull String
- Trim the string: Measure the new string to ensure it’s the correct length. Cut any excess string with your wire cutters.
- Attach the string: Follow the instructions provided with your new pull string. Some strings come pre-assembled with a clip or tie, while others may need to be attached manually.
Step 5: Install the New String and Spring
- Position the spring: Carefully place the spring back into the recoil housing. Ensure it sits in the correct groove or position.
- Attach the new string: Connect the new pull string to the spring.
- Route the string: Guide the string through the housing, ensuring it’s properly routed and doesn’t get tangled.
Reassembling the Recoil Starter
Step 6: Secure the Recoil Starter Cover
- Position the cover: Carefully place the recoil starter cover back onto the housing. Ensure it’s properly aligned.
- Tighten the screws: Use your screwdriver to tighten the screws that secure the cover.
Testing and Troubleshooting
Step 7: Test the New Pull String
- Pull the string: Give the new pull string a few gentle pulls to ensure it’s functioning correctly.
- Check for resistance: You should feel a smooth, consistent pull with a slight resistance.
- Listen for any sounds: If you hear any clicking, grinding, or jamming, there might be an issue with the installation or the housing itself.
Step 8: Troubleshooting
- If the string feels stiff: The recoil housing may be dry. Apply a small amount of light oil or lubricant to the housing and spring to reduce friction.
- If the string breaks again: Ensure you used the correct replacement pull string for your model. If you did, there may be a more significant issue with the recoil starter housing or the engine itself. Consider seeking professional assistance.
Tips for Maintenance
- Regular Lubrication: Periodically lubricate the recoil housing and spring to prevent stiffness and wear.
- Inspect the String: Check the pull string for signs of wear or damage regularly.
- Proper Storage: Store your lawn mower in a dry, clean place to prevent moisture damage.
Conclusion
Replacing a lawn mower’s pull string is a straightforward process that can save you a lot of frustration and potentially expensive repairs. By following the steps outlined in this article, you can confidently restore your lawn mower to working order and get back to enjoying a well-manicured lawn. Remember to always prioritize safety when working on any type of machinery. If you have any doubts about your ability to complete this task, or if you encounter any persistent issues, it’s always best to consult a qualified mechanic.
FAQs
Why is my lawnmower’s pull string so hard to pull?
There are several reasons why your lawnmower’s pull string might be difficult to pull. One possibility is that the engine is seized due to lack of lubrication or old gas. Another reason could be a worn-out or damaged pull cord, which makes it harder to engage the engine. Additionally, a clogged air filter or a damaged spark plug can also cause the engine to resist starting, making the pull string harder to operate.
To resolve this issue, start by checking the engine for any signs of seizing. If you suspect a seized engine, you might need to take it to a mechanic. If the engine isn’t seized, examine the pull cord for any signs of wear or damage. Replacing a worn-out cord can significantly improve the ease of pulling. Lastly, inspect the air filter and spark plug for any issues, and replace them if necessary.
What should I do if my lawnmower’s pull string is broken?
A broken pull string can be a frustrating problem, but it’s often a simple fix. First, you’ll need to identify the exact point of the break. If it’s broken near the handle, you can usually replace the string yourself. Simply detach the old string and thread a new one through the mechanism, ensuring it’s securely attached to both ends.
If the break is further down, you might need to access the engine’s recoil starter. This typically involves removing the housing around the pull starter. Carefully remove the broken string and replace it with a new one, ensuring it’s properly wound around the recoil starter. Remember to consult your lawnmower’s manual for specific instructions.
How can I prevent my lawnmower’s pull string from breaking?
To prevent your lawnmower’s pull string from breaking, there are a few things you can do. Firstly, always use the correct pull string for your model. It’s important to choose a string that’s compatible with your lawnmower’s specific recoil starter. Secondly, maintain your lawnmower regularly. This includes checking the pull string for any signs of wear or damage. Replace the string as needed to avoid sudden breakage.
Additionally, avoid pulling the string forcefully or aggressively. Pulling with excessive force can strain the string and lead to premature failure. Instead, use a smooth and controlled pull motion to ensure a longer lifespan for your pull string.
My lawnmower’s pull string is sticking. What should I do?
A sticking pull string can be caused by a few factors. One common reason is the build-up of debris or dirt in the pull starter mechanism. This can prevent the string from moving smoothly and freely. Another possibility is that the spring inside the recoil starter is worn out or broken, causing the string to become stuck.
To address this issue, first, try cleaning the pull starter mechanism with a brush or a compressed air duster. If this doesn’t resolve the sticking, you might need to remove the pull starter housing and check the spring. If the spring is damaged, it will need to be replaced.
Can I adjust the tension of my lawnmower’s pull string?
While you can’t directly adjust the tension of your lawnmower’s pull string, you can check the tension of the recoil starter spring. This spring is responsible for pulling the string back after each pull. If the spring is too loose, the string might not retract properly, leading to a slack or loose pull string.
To check the spring tension, remove the pull starter housing and examine the spring. If the spring is worn out or weak, you’ll need to replace it. You can usually find replacement springs at your local hardware store or online.
Why does my lawnmower’s pull string feel stiff?
A stiff pull string can be a sign of a few different problems. One common reason is a lack of lubrication in the pull starter mechanism. This can cause the string to bind or stick, making it feel stiff. Another possibility is that the pull cord itself is worn out or frayed, leading to increased friction and a stiff feel.
To resolve this issue, start by lubricating the pull starter mechanism with a light oil or grease. This should help reduce friction and make the string move more smoothly. If the string is worn out, you’ll need to replace it with a new one.
Should I ever use a pull string as a handle to lift my lawnmower?
Absolutely not! Using the pull string as a handle to lift your lawnmower is dangerous and can cause severe damage to the pull starter mechanism. The pull string is designed for starting the engine, not for lifting the mower. Lifting the mower by the pull string can stretch the string beyond its limits, break it, and even damage the recoil starter.
Always use the designated handles on your lawnmower for lifting and transporting it. This will ensure both your safety and the longevity of your lawnmower’s pull starter.