The pull cord on your lawn mower is an essential component that allows you to start the engine. Over time, it can become frayed, worn, or damaged, rendering it ineffective. Replacing the pull cord is a relatively simple task that can be completed in a matter of minutes with the right tools and materials. However, it’s important to follow proper safety precautions and use the correct replacement parts to ensure that your lawn mower operates smoothly and safely.
Before attempting to replace the pull cord, gather the necessary tools and materials. You will need a new pull cord, a pair of pliers, a screwdriver, and a small amount of lubricant. Once you have everything you need, prepare the lawn mower by disconnecting the spark plug wire and placing the mower on a stable surface. Next, locate the pull cord housing and remove the old pull cord by unscrewing the screws that hold it in place. Insert the new pull cord into the housing and secure it with the screws.
After attaching the new pull cord, lubricate it with a small amount of oil or grease. This will help it operate smoothly and extend its lifespan. Finally, reattach the spark plug wire and test the lawn mower to ensure that the pull cord is working properly. By following these simple steps, you can quickly and easily replace the pull cord on your lawn mower and get it back to running in no time.
Locating the Pull Cord Assembly
Locating the pull cord assembly on your lawn mower is essential before commencing the replacement process. Commence by identifying the recoil housing, which typically features a circular or oval shape and is situated beside the engine. The recoil housing is accountable for housing the pull cord and spring mechanism. To access the recoil housing, you may need to remove any protective covers or shields.
Steps to Locate the Pull Cord Assembly:
- Identify the Recoil Housing: Examine the lawn mower engine for a circular or oval-shaped housing adjacent to it. This housing typically encases the pull cord assembly.
- Remove Protective Covers: If necessary, detach any covers or shields that obstruct access to the recoil housing. These covers are often secured by screws or clips.
- Locate the Pull Cord: Once the recoil housing is exposed, you will notice the pull cord protruding from it. The pull cord is connected to a pulley and spring mechanism within the housing.
| Component | Description |
|---|---|
| Recoil Housing | Encloses the pull cord and spring mechanism. |
| Pull Cord | The rope that is pulled to start the engine. |
| Spring | Provides resistance to the pull cord and recoils it after pulling. |
| Pulley | Guides the pull cord and assists in retracting it. |
After locating the pull cord assembly, you can proceed with its replacement. Ensure that you have the appropriate replacement pull cord and any necessary tools before commencing the replacement procedure.
<h2>Detaching the Old Pull Cord</h2>
<p>To detach the old pull cord, follow these steps:</p>
<ol type="1">
<li>**Disconnect the spark plug wire.** This is a safety precaution to prevent the engine from starting accidentally.</li>
<li>**Locate the pull cord assembly.** It is usually found on the side of the engine, near the top. The assembly consists of a plastic housing, a spring, and the pull cord itself.</li>
<li>**Remove the housing.** There are usually two screws that hold the housing in place. Once the screws are removed, carefully lift the housing off. The spring will be attached to the housing, so be careful not to let it fall out.</li>
<li>**Detach the pull cord from the spring.** The pull cord is usually attached to the spring with a small metal hook. To detach the cord, simply unhook it from the spring.
<li>**Remove the spring.** The spring is held in place by a small plastic tab. To remove the spring, simply push down on the tab and lift the spring out.
<li>**Remove the old pull cord.** The old pull cord will now be completely detached from the mower. Discard the old pull cord and proceed to the next step.</li>
</ol>
Threading the New Pull Cord
Once you have the new pull cord, you need to thread it through the mower. Here are the detailed steps:
1. Remove the Old Pull Cord
Firstly, disconnect the spark plug wire for safety precautions. Next, remove the recoil starter cover by unscrewing the bolts or screws that hold it in place. Locate the old pull cord and pull it out completely.
2. Locate the Spool
Inside the recoil starter housing, you will find the spool where the new pull cord will be wound. Identify the small hole on the side of the spool.
3. Thread the New Pull Cord
Take the end of the new pull cord and insert it into the small hole on the side of the spool. Push it through until about 6-8 inches of cord extend out of the hole.
4. Wind the Pull Cord
Wind the new pull cord around the spool, keeping it tight and even. Ensure that the cord is wound in the same direction as the old cord was.
5. Detailed Steps for Winding the Pull Cord
- First Layer: Start by winding the first few inches of the cord tightly around the spool. This will create a secure base for the rest of the cord.
- Crossover: Once you have wrapped the first layer, cross the cord over the first loop you made. This will help keep the cord in place.
- Continue Winding: Continue winding the cord around the spool, keeping it tight and even. As you wind, occasionally cross the cord over the previous loop to ensure it stays secure.
- Overlapping: Make sure the cord overlaps slightly with each layer to create a dense and secure winding.
- Tighten: As you wind, use your thumb or a small screwdriver to tighten the cord against the previous layer. This will prevent it from becoming loose.
- Knot: Once you have wound enough cord, tie a small knot at the end. This will prevent the cord from unraveling.
6. Insert the Handle
Insert the pull cord handle into the hole on the end of the spool. Make sure the handle is facing the correct direction.
7. Secure the Handle
Tighten the screw or bolt that secures the handle to the spool.
8. Reattach the Cover
Replace the recoil starter cover and secure it with the screws or bolts you removed earlier.
9. Reconnect the Spark Plug Wire
Finally, reconnect the spark plug wire.
Testing the New Pull Cord
Before starting your lawn mower, always pull the cord a few times to make sure it’s working properly. If the cord is damaged or frayed, it could break and cause the mower to stop working. Here are some things to look for when testing the new pull cord:
1. Make sure the cord is properly attached to the recoil starter.
The cord should be securely wrapped around the starter pulley and tied off with a knot. If the cord is not attached properly, it could slip or come off when you pull it.
2. Check the cord for any signs of damage.
The cord should be free of any nicks, cuts, or fraying. If the cord is damaged, it could break when you pull it.
3. Test the cord by pulling it slowly.
The cord should recoil smoothly and easily. If the cord sticks or hesitates, there could be a problem with the recoil starter.
4. If the cord does not recoil, check the following:
- The recoil spring may be broken or damaged.
- The starter pawl may be worn or damaged.
- The starter cup may be cracked or broken.
5. If the cord recoils but the mower does not start, check the following:
- The spark plug may be fouled or damaged.
- The fuel filter may be clogged.
- The carburetor may need to be adjusted.
6. If you are unable to fix the problem yourself, take the lawn mower to a qualified repair technician.
Here is a table summarizing the steps for testing the new pull cord:
| Step | Action |
|---|---|
| 1 | Make sure the cord is properly attached to the recoil starter. |
| 2 | Check the cord for any signs of damage. |
| 3 | Test the cord by pulling it slowly. |
| 4 | If the cord does not recoil, check the recoil spring, starter pawl, and starter cup. |
| 5 | If the cord recoils but the mower does not start, check the spark plug, fuel filter, and carburetor. |
| 6 | If you are unable to fix the problem yourself, take the lawn mower to a qualified repair technician. |
Resolving Pull Cord Resistance
If the cord retracts too quickly, it may cause skin burns and other injuries. To correct this issue, you can adjust the tension using the following steps:
24. Releasing Tension on the Pull Cord
1. Locate the recoil starter housing, typically a black or silver cylindrical housing near the engine.
2. Identify the screw or bolt that secures the recoil starter to the engine block.
3. Use a wrench or screwdriver to loosen, but do not remove, this screw or bolt.
4. Slide the recoil starter slightly away from the engine.
5. Retighten the screw or bolt to secure the recoil starter in its new position.
6. Verify that the cord tension is now suitable. Repeat steps 2-5 if necessary.
Caution: Do not overtighten the screw or bolt, as this may damage the recoil starter or engine block. Adjust the tension gradually and test the pull cord function before fully tightening the screw or bolt.
Troubleshooting Tip: If the cord still retracts too quickly after adjusting the tension, inspect the recoil spring for damage or wear. A damaged or weakened spring will not provide sufficient resistance to the pull cord.
Additional Points to Consider:
| Possible Cause | Solution |
|---|---|
| worn or frayed cord | Replace the pull cord. |
| tangled or stuck cord | Unwind and inspect the cord for any obstructions or damage. |
| dirty or rusty recoil housing | Clean the recoil housing and apply a small amount of lubricant. |
| damaged recoil spring | Replace the recoil spring. |
| faulty recoil starter assembly | Replace the recoil starter assembly. |
Conclusion:
By following these steps and troubleshooting tips, you can effectively resolve pull cord resistance issues on your lawn mower. Remember to approach the repair with caution, wear appropriate protective gear, and refer to the manufacturer’s instructions for specific guidance.
Repairing a Torn Pull Cord Sleeve
The pull cord sleeve is a vital component of your lawn mower, protecting the pull cord from wear and tear. If the pull cord sleeve becomes torn, it can cause the pull cord to fray and break, making it difficult to start your mower. Fortunately, repairing a torn pull cord sleeve is a relatively simple and inexpensive task that can be performed in a few steps.
Materials you will need:
To repair a torn pull cord sleeve, you will need the following materials:
- A new pull cord sleeve
- A utility knife
- A screwdriver
- A pair of pliers
Steps to Repair a Torn Pull Cord Sleeve:
- Remove the old pull cord sleeve. Start by removing the starter cover from your lawn mower. Once the starter cover is removed, you will be able to see the pull cord sleeve. Use a utility knife to cut the old pull cord sleeve off the starter cord.
- Install the new pull cord sleeve. Take the new pull cord sleeve and slide it over the starter cord. Make sure that the sleeve is positioned correctly, with the tapered end facing towards the starter.
- Tighten the pull cord sleeve. Once the pull cord sleeve is in place, tighten it by using a screwdriver to tighten the screw that holds the sleeve in place.
- Reinstall the starter cover. Once the pull cord sleeve is tightened, reinstall the starter cover.
Tips for Repairing a Torn Pull Cord Sleeve:
- If the pull cord sleeve is badly damaged, you may need to replace the entire pull cord assembly.
- When selecting a new pull cord sleeve, make sure that you choose one that is the correct size for your lawn mower.
- Be careful not to overtighten the pull cord sleeve, as this can damage the sleeve or the starter cord.
By following these steps, you can easily repair a torn pull cord sleeve and get your lawn mower running again in no time.
Troubleshooting Problems with Pull Cord Sleeves:
If you are having problems with your pull cord sleeve, there are a few things you can check:
| Problem | Possible Cause | Solution |
| The pull cord sleeve is torn. | The pull cord sleeve is damaged or worn. | Replace the pull cord sleeve. |
| The pull cord sleeve is loose. | The screw that holds the pull cord sleeve in place is loose. | Tighten the screw. |
| The pull cord sleeve is binding. | The pull cord sleeve is not installed correctly or is damaged. | Reinstall the pull cord sleeve or replace it if damaged. |
| Tool | Description |
|---|---|
| Phillips head screwdriver | Used to remove the screws that hold the pull cord assembly in place. |
| Flat head screwdriver | Used to pry the pull cord assembly loose from the engine. |
| New pull cord | The replacement pull cord. |
To replace the pull cord, follow these steps:
- Remove the screws that hold the pull cord assembly in place. The screws are usually located on the side of the engine.
- Pry the pull cord assembly loose from the engine. Be careful not to damage the engine or the pull cord assembly.
- Remove the old pull cord from the assembly. The pull cord is usually attached to the assembly with a knot.
- Tie the new pull cord to the assembly using a knot.
- Reinstall the pull cord assembly into the engine. Be sure to tighten the screws securely.
Materials You’ll Need:
Before beginning the replacement process, gather the following materials:
- New pull cord
- Phillips-head screwdriver
- Flat-head screwdriver
- Wrench or socket (in some cases)
- Pliers
- Safety glasses
- Gloves (optional)
Steps to Replace the Pull Cord on Your Lawn Mower:
-
Safety First:
Always disconnect the spark plug before working on any lawn mower engine. Wear safety glasses and gloves for protection.
-
Locate the Pull Cord Assembly:
Identify the pull cord assembly, which is typically located on the top of the engine housing. It consists of a handle, pulley, and spring.
-
Remove the Starter Cover:
Using a Phillips-head screwdriver, remove the screws that secure the starter cover. Carefully lift off the cover to expose the internal components.
-
Unhook the Old Pull Cord:
Locate the old pull cord and unhook it from the pulley. This may require using a flat-head screwdriver or your fingers to pry it loose.
-
Remove the Pulley:
In some cases, you may need to remove the pulley to access the cord. Use a wrench or socket to loosen the bolt holding the pulley in place.
-
Replace the Pulley:
If you removed the pulley, place the new one in its place and secure it with the bolt.
-
Attach the New Pull Cord:
Hook one end of the new pull cord onto the pulley, ensuring that it winds in the correct direction. Use pliers to secure the cord.
-
Insert the Spring:
Locate the spring and insert it into the housing. The spring helps retract the pull cord after it has been pulled.
-
Tighten the Spring:
Using pliers, tighten the spring by twisting it clockwise. This will create tension in the cord and allow it to retract properly.
-
Reinstall the Starter Cover:
Replace the starter cover and secure it with the screws. Make sure all components are securely in place.
-
Test the Pull Cord:
Reconnect the spark plug and pull the cord slowly to start the engine. If the cord retracts smoothly, the replacement is successful.
Tips for Smoother Pull Cord Operation
1. Proper Lubrication:
Lubricating the moving parts of the pull cord assembly, such as the pulleys and spring, can reduce friction and improve operation. Use a light machine oil or spray lubricant.
2. Clean Cord:
Dirt and debris can accumulate on the pull cord, causing it to stick or fray. Clean the cord periodically with a damp cloth or mild solvent.
3. Avoid Overwinding:
Overwinding the pull cord can put excessive strain on it and lead to breakage. Avoid pulling the cord all the way out and letting it snap back forcefully.
4. Inspect Regularly:
Regularly check the condition of the pull cord and its components. Look for fraying, cracking, or any other signs of damage. Replace worn or damaged parts promptly.
5. Use Proper Technique:
Avoid yanking or jerking on the pull cord. Pull it steadily and smoothly, allowing the spring to gradually retract it.
Understanding the Pull Cord’s Role in Starting the Engine
The pull cord on a lawn mower is a vital component that enables the engine to start. When pulled, the cord engages a mechanism that turns the crankshaft, creating the initial spark that ignites the fuel-air mixture and starts the engine. Here’s a detailed insight into the process:
- The Pull Cord: The pull cord is typically made of a durable material like nylon or plastic and is attached to the recoil starter, a spring-loaded mechanism.
- Recoil Starter: The recoil starter consists of a spring, a pulley, and a starter cup. When the cord is pulled, it wraps around the pulley and engages the starter cup.
- Pawl and Drive Gear: The starter cup is connected to a pawl that engages with a drive gear on the crankshaft. When the starter cup rotates, it turns the drive gear, which in turn rotates the crankshaft.
- Crankshaft: The crankshaft is what converts the reciprocating motion of the piston into rotary motion. It connects to the flywheel and other engine components.
- Flywheel: The flywheel is a heavy, rotating wheel that provides inertia to the engine. It stores kinetic energy and helps to smooth out the engine’s operation.
- Spark Plug: When the crankshaft rotates, it triggers the spark plug to create an electrical spark. The spark ignites the fuel-air mixture in the combustion chamber, starting the combustion process.
- Governor: Once the engine starts, the governor adjusts the fuel supply to maintain a consistent engine speed.
- Fuel Supply: The fuel supply system provides a steady flow of fuel to the carburetor, where it is mixed with air.
- Carburetor: The carburetor mixes the fuel and air to create a combustible mixture.
- Intake Valves: The intake valves open to allow the fuel-air mixture into the combustion chamber.
The pull cord’s functionality is essential for the engine to start. Any issues with the cord, recoil starter, or related components can hinder the engine’s ability to start and operate properly.
Additional Information
| Pull Cord Length | Typically 20-30 inches (50-76 cm) |
|---|---|
| Recoil Spring Force | Requires sufficient force to engage the starter cup |
| Starter Cup Compatibility | Must fit snugly onto the drive gear |
| Pawl Durability | Should withstand repeated engagement and disengagement |
| Fuel-Air Mixture | The optimal ratio is crucial for efficient engine operation |
Adjusting Pull Cord Length for Optimal Performance
Once you have replaced the pull cord, it’s important to adjust its length for optimal performance. Here’s how to do it:
- Start the engine and let it run for a few minutes to warm up.
- Pull the starter cord out until the loop at the end of the cord is just against the starter housing.
- Hold the cord in place and slowly release the starter handle. The cord should recoil back into the housing.
- If the cord recoils too quickly, the length is too long. If it doesn’t recoil at all, the length is too short.
- To adjust the length, hold the cord against the starter housing and wrap it around the starter pulley in a clockwise direction.
- Pull the excess cord off the pulley and cut it off.
- Repeat steps 2-6 until the cord recoils smoothly and evenly.
Safety Precautions
Before adjusting the pull cord length, be sure to take the following safety precautions:
- Disconnect the spark plug wire.
- Wear gloves to protect your hands.
- Be careful not to overtighten the cord.
Maintaining the Pull Cord’s Elasticity
Keeping the Cord Clean
Accumulated dirt and debris can impede the pull cord’s movement and elasticity. Regular cleaning ensures its smooth operation. Use a dry, soft cloth or brush to gently wipe away surface grime. For stubborn dirt, dampen the cloth with a mild cleaning solution (e.g., dish soap and water) and avoid using harsh solvents or chemicals that could damage the cord’s material.
Lubricating the Cord
Periodically lubricating the pull cord enhances its elasticity and prevents premature wear. Apply a small amount of dry silicone spray or a specialized pull cord lubricant to the cord’s length. Avoid using excessive lubricant, as it can attract dirt and compromise the cord’s grip.
Stretching the Cord
Over time, the pull cord may lose its elasticity due to repeated use or incorrect storage. To restore its stretchiness, gently pull the cord out to its full length and hold it for a few seconds. Repeat this process several times to help the cord regain its original shape and elasticity.
Other Tips for Maintaining the Pull Cord’s Elasticity
- Avoid storing the lawn mower in extreme temperatures (e.g., freezing cold or scorching heat), as this can affect the cord’s elasticity.
- Use the pull cord smoothly, without excessive force or jerking, to prevent premature wear or breakage.
- If the pull cord becomes frayed or damaged, replace it immediately to maintain optimal performance and prevent accidents.
- Regular maintenance and attention to the pull cord’s elasticity will prolong its lifespan and ensure trouble-free lawn mowing experiences.
By following these tips, you can effectively maintain the elasticity and longevity of your lawn mower’s pull cord, ensuring a smooth and effortless start-up process for years to come.
A Comprehensive Guide to Pull Cord Maintenance
Table 1 provides a concise overview of the maintenance steps discussed in this article:
| Maintenance Step | Action | Frequency |
|---|---|---|
| Cleaning | Wipe with a dry cloth or a mild cleaning solution | As needed |
| Lubricating | Apply dry silicone spray or specialized lubricant | Every few months |
| Stretching | Pull the cord to its full length and hold for a few seconds | As needed |
Preventing Pull Cord Damage during Transportation
During transportation, the pull cord of a lawn mower can be subjected to various external forces that can potentially damage the cord or disrupt its functionality. Therefore, it is crucial to implement proper precautions to protect the pull cord and ensure its longevity.
Here are some specific tips to help you prevent pull cord damage during transportation:
1. Disconnect the Pull Cord from the Starter
The first step in preventing pull cord damage is to disconnect it from the starter assembly. This can be done by simply removing the spring clip or other fasteners that secure the cord to the starter. Once the cord is disconnected, it will be less likely to get caught on any obstacles or snagged during transportation.
2. Securely Stow the Pull Cord
Once the pull cord is disconnected, it should be securely stowed away to prevent it from dangling or being exposed to potential hazards. This can be done by wrapping the cord around a designated hook or loop on the lawn mower housing or by storing it in a protective compartment.
3. Protect the Pull Cord from Environmental Factors
If the lawn mower is being transported in an open trailer or on the back of a truck, it is important to protect the pull cord from the elements. This can be done by covering the cord with a plastic bag or by using a waterproof spray to prevent water or dirt from damaging the cord.
4. Utilize Sufficient Padding
When transporting the lawn mower in a trailer or on a truck, it is essential to provide adequate padding around the pull cord to protect it from bumps, vibrations, and shocks. This padding can be made of foam, rubber, or other soft materials that will absorb impact and prevent the cord from being damaged.
| Recommended Padding Materials | |
|---|---|
| Material | Benefits |
| Foam | Lightweight and absorbent, provides good cushioning |
| Rubber | Durable and puncture-resistant, offers excellent shock absorption |
| Closed-cell foam | Water-resistant and provides long-lasting protection |
By following these tips, you can effectively prevent pull cord damage during transportation, ensuring the longevity and functionality of your lawn mower.
Avoiding Common Pull Cord Mishaps
Replacing a lawn mower pull cord is a relatively straightforward task, but there are some common mishaps that can occur if you’re not careful. Here are a few tips to help you avoid these problems:
1. Don’t over-tighten the pull cord.
One of the most common mistakes people make when replacing a pull cord is over-tightening it. This can put excessive stress on the cord, causing it to snap or fray. To avoid this, simply tighten the cord until it is snug, but not too tight.
2. Don’t let the pull cord knot up.
Another common mishap is letting the pull cord knot up. This can make it difficult to pull the cord, and can also damage the cord. To avoid this, simply keep the cord coiled up and away from any obstacles.
3. Don’t pull the cord too hard.
If you’re having trouble pulling the cord, don’t force it. This can damage the starter recoil assembly. Instead, try to identify the problem and fix it. For example, the cord may be jammed or the recoil assembly may be broken.
4. Don’t forget to put the recoil spring back in.
The recoil spring is responsible for pulling the cord back into the starter housing. If you forget to put the spring back in, the cord will not recoil and you will not be able to start the mower. To put the spring back in, simply hook one end of the spring to the starter housing and the other end to the pull cord. Then, wind the cord around the starter pulley and release it slowly.
5. Don’t test the pull cord without the spark plug wire connected.
If you test the pull cord without the spark plug wire connected, you could get a nasty shock. To avoid this, always connect the spark plug wire before testing the pull cord.
6. Don’t panic if the pull cord breaks.
If the pull cord breaks, don’t panic. It’s a relatively easy fix. Simply remove the starter housing and replace the cord. You can find replacement pull cords at most hardware stores.
7. Don’t use a pull cord that is too short.
A pull cord that is too short can be difficult to pull and can also damage the starter recoil assembly. To avoid this, always use a pull cord that is the correct length for your mower.
8. Don’t let the pull cord get wet.
A wet pull cord can be difficult to pull and can also damage the starter recoil assembly. To avoid this, always store your mower in a dry place.
9. Don’t start the mower with the pull cord wrapped around your hand.
Starting the mower with the pull cord wrapped around your hand can be dangerous. If the cord snaps, it could cut your hand.
10. Don’t let children operate the mower.
Mowers can be dangerous, so it’s important to keep them out of the reach of children. Only allow adults who are familiar with the mower to operate it.
How to Replace Pull Cord on Lawn Mower
Replacing the pull cord on a lawn mower is a relatively simple task that can be completed in a few minutes. By following these instructions, you can quickly get your mower up and running again.
Tools and Materials:
- New pull cord
- Phillips screwdriver
- Flat-head screwdriver
- Scissors
Instructions:
- Unplug the spark plug wire.
- Remove the starter cover by unscrewing the Phillips screws that hold it in place.
- Locate the recoil starter assembly and remove the rope pulley cover by unscrewing the flat-head screw that holds it in place.
- Pull the old pull cord out of the rope pulley.
- Cut a new piece of pull cord to length, approximately 3 feet long.
- Thread the new pull cord through the rope pulley and tie a knot at the end.
- Replace the rope pulley cover and screw it back into place.
- Reinstall the starter cover and screw it back into place.
- Reconnect the spark plug wire.
People Also Ask
How do you know if your lawn mower pull cord is broken?
There are a few signs that can indicate that your lawn mower pull cord is broken:
- The pull cord does not recoil.
- The pull cord is frayed or broken.
- The pull cord is stuck.
How much does it cost to replace a pull cord on a lawn mower?
The cost to replace a pull cord on a lawn mower will vary depending on the make and model of the mower. However, the average cost is between $10 and $20.
Can I replace a pull cord on a lawn mower myself?
Yes, you can replace a pull cord on a lawn mower yourself. It is a relatively simple task that can be completed in a few minutes.
