Starting your John Deere lawn mower with a broken pull cord can be frustrating, leaving you feeling like your gardening plans are grounded. This article will guide you step-by-step through the process of replacing a worn-out or broken pull cord on your John Deere lawn mower. We’ll cover everything from identifying the right replacement cord to the proper installation techniques, ensuring a smooth and successful repair.
A Broken Pull Cord: What to Do?
A broken or frayed pull cord is a common problem with lawn mowers, and it’s usually a straightforward fix. The pull cord is essential for starting the engine, so a broken cord renders the mower useless. With the right tools and a little patience, you can easily replace it yourself, saving you the expense and hassle of a repair shop visit.
Identifying the Correct Replacement Cord
Finding the Right Part
Before you start the replacement process, it’s crucial to ensure you have the correct pull cord for your John Deere lawn mower model. A wrong cord could lead to complications and even damage your mower.
1. Model Number: The first step is to locate your lawn mower’s model number. This information is typically found on a sticker located on the mower’s frame or underneath the engine cover.
2. Ordering the Right Part: Once you have the model number, you can search for the correct replacement cord online or visit your local John Deere dealer.
What to Look for in a Replacement Pull Cord:
- Length: The replacement cord should match the length of the original cord.
- Material: The cord should be made of a durable material like nylon or polyester, offering longevity and resistance to wear and tear.
- Compatibility: Ensure the cord is specifically designed for your John Deere lawn mower model.
Tools You’ll Need for the Job
Here is a list of tools you will need to replace the pull cord on your John Deere lawn mower:
- Phillips screwdriver: Used to remove the screws holding the engine cover in place.
- Flat-head screwdriver: Used to release the tension on the recoil spring.
- New pull cord: Ensure it matches the specifications of your mower model.
- Pair of pliers: For securely attaching the new pull cord.
- Work gloves: Protect your hands while working with the mower’s components.
Replacing the Pull Cord: A Step-by-Step Guide
1. Disconnecting the Spark Plug
For safety, start by disconnecting the spark plug wire from the spark plug. This prevents accidental engine ignition during the repair process.
2. Removing the Engine Cover
- Use the Phillips screwdriver to remove the screws holding the engine cover in place.
- Carefully lift the engine cover off the mower.
3. Releasing the Recoil Spring Tension
- Identifying the Recoil Spring: Locate the recoil spring assembly, which is usually a round or oval-shaped component with a spring coiled inside.
- Releasing the Tension: Use the flat-head screwdriver to gently pry open the release mechanism on the recoil spring assembly. This will release the tension on the spring, allowing you to remove the old pull cord.
4. Removing the Old Pull Cord
- Locate the Cord Attachment: The old pull cord will be attached to the recoil spring assembly. Identify the point where the cord is connected.
- Detaching the Cord: Carefully detach the old pull cord from the recoil spring assembly.
5. Installing the New Pull Cord
- Attaching the Cord: Attach the new pull cord to the recoil spring assembly using the pliers or any securing mechanism recommended by the manufacturer. Ensure the cord is securely fastened.
- Threading the Cord: Thread the new pull cord through the engine cover and the handle.
6. Reassembling the Engine Cover
- Securing the Cover: Replace the engine cover and re-attach the screws using the Phillips screwdriver.
7. Testing the New Pull Cord
- Reconnect the Spark Plug: Reconnect the spark plug wire to the spark plug.
- Starting the Mower: Pull the new pull cord to start the engine.
- Checking for Proper Function: Ensure the new pull cord operates smoothly and the engine starts easily.
Common Problems and Solutions
1. The Engine Won’t Start
- Check the Spark Plug Connection: Ensure the spark plug wire is securely connected to the spark plug.
- Check the Fuel: Make sure you have enough fuel in the tank.
2. The Pull Cord Feels Stiff or Hard to Pull
- Check the Recoil Spring: If the recoil spring is worn out or broken, it will make it difficult to pull the cord. You may need to replace the recoil spring assembly.
3. The Pull Cord Breaks Again
- Use a High-Quality Cord: Use a heavy-duty pull cord made from durable materials.
- Avoid Excessively Pulling: Do not pull the cord with excessive force, as this can cause the cord to fray or break.
Maintaining Your Pull Cord
- Regular Inspection: Periodically inspect your pull cord for signs of wear or damage.
- Lubrication: Lubricate the recoil spring assembly with a light oil spray to reduce friction and prevent rust.
- Proper Storage: Store your mower in a dry, protected environment to prevent rust and corrosion.
Conclusion
Replacing a broken pull cord on your John Deere lawn mower is a relatively simple repair that can be done by most DIY enthusiasts. By following these step-by-step instructions, you can get your mower back up and running in no time. Remember to always prioritize safety and use caution when working with mechanical equipment. If you encounter any difficulties, consult your John Deere user manual or seek professional assistance from a qualified mechanic.
Frequently Asked Questions
What tools do I need to replace the pull cord on my John Deere lawn mower?
You will need a few basic tools to replace the pull cord on your John Deere lawn mower. These include a Phillips screwdriver, a pair of pliers, and a small flathead screwdriver or a pry bar. The Phillips screwdriver will be used to remove screws holding the engine shroud in place, while the pliers will be helpful for gripping the pull cord and pulling it out. Finally, the flathead screwdriver or pry bar will come in handy for prying off any stubborn components that might be attached to the pull cord.
Having these tools readily available will make the replacement process smoother and ensure you have everything you need at hand.
How do I remove the old pull cord from my John Deere lawn mower?
To remove the old pull cord, you’ll need to start by removing the engine shroud. This is usually held in place by a few screws. Once the shroud is removed, you’ll be able to access the pull cord mechanism. Disconnect the pull cord from the recoil starter by using your pliers to pull it free. Be careful not to damage the recoil starter in the process. Finally, remove the old pull cord from the handle by simply pulling it out.
With the old pull cord removed, you can now proceed to install the new one.
How do I install the new pull cord on my John Deere lawn mower?
Installing the new pull cord is a relatively straightforward process. Start by threading the new pull cord through the handle, making sure it goes through the correct holes. Then, attach the new pull cord to the recoil starter, ensuring that it is properly secured. You can use the pliers to help with this. Once the pull cord is attached to the recoil starter, reattach it to the handle. Finally, replace the engine shroud and secure it with the screws you removed earlier.
Now that the new pull cord is installed, you can test it out to make sure it works properly.
How do I know if my pull cord is worn out?
There are several signs that can indicate that your pull cord is worn out and needs to be replaced. First, if the pull cord feels frayed or brittle, it’s a sign that it’s nearing the end of its life. Second, if the pull cord is excessively stretched or slack, it’s likely not providing the proper tension to start the engine.
Third, if you notice that the pull cord is slipping or coming loose from the handle, it’s time to replace it. A worn-out pull cord can make starting your lawnmower difficult or even impossible, so it’s crucial to replace it as soon as you notice any of these signs.
What type of pull cord should I use for my John Deere lawn mower?
It’s important to use the correct type of pull cord for your John Deere lawn mower. You can find the right pull cord for your specific model by consulting the owner’s manual or contacting your local John Deere dealer. The owner’s manual will provide specific details about the recommended length, diameter, and material of the pull cord for your mower.
Using a pull cord that is not compatible with your lawnmower can lead to problems like incorrect tension, difficulty starting the engine, and even damage to the recoil starter.
Can I replace the pull cord myself, or should I take it to a professional?
While replacing the pull cord on a John Deere lawn mower is a relatively simple task, it’s important to be comfortable with basic mechanical repairs before attempting it. If you are unsure or lack the necessary tools, it’s best to take your lawnmower to a qualified mechanic.
However, if you feel confident and have the necessary tools, replacing the pull cord yourself can save you money and time. Just make sure to follow the instructions carefully and take your time.
How do I lubricate the recoil starter after replacing the pull cord?
After replacing the pull cord, it’s essential to lubricate the recoil starter to ensure smooth operation and prolong its lifespan. You can use a light oil, such as 3-in-1 oil or a similar product. Apply a few drops of oil to the recoil starter mechanism and work it in by hand. This will help reduce friction and wear, ensuring a smooth pull cord action.
Regular lubrication of the recoil starter, along with proper maintenance of the entire lawn mower, will help you keep your John Deere running smoothly for many seasons to come.