The rip cord on a lawn mower is a critical part of the starting mechanism. When the rip cord is pulled, it engages the starter and turns the engine over. If your lawn mower’s rip cord breaks, it can be frustrating and time-consuming to try to fix it. Here are a few tips on how to fix a rip cord on a lawn mower and get your mower up and running again in no time.
The first step is to identify the problem. The most common issues with rip cords are broken springs or frayed cords. Once you have identified the problem, you can begin the repair process. If the spring is broken, you will need to replace it with a new one. If the cord is frayed, you can either splice the cord or replace it with a new one.
Splicing a cord is a relatively simple process. First, cut the frayed section of the cord off. Then, overlap the two ends of the cord and wrap them with electrical tape. Make sure to wrap the tape tightly so that the splice is secure. Once the splice is dry, you can reattach the cord to the starter and test the lawn mower.
Replacing the Broken Spring or Pulley
Before attempting any repairs, ensure the lawn mower is unplugged or the fuel supply is disconnected, and the engine is cool. Locate the spring or pulley that is broken and assess the damage. If the spring is broken, it will need to be replaced, while a broken pulley may be repairable.
Repairing a Broken Pulley
Step 1: Remove the Pulley
Using a wrench or socket set, loosen the bolts or screws that secure the pulley to the engine shaft. Carefully pull the pulley off the shaft, being mindful of any remaining tension in the spring.
Step 2: Inspect the Pulley
Examine the pulley for any cracks, bends, or damage. If the pulley is severely damaged, it will need to be replaced. However, if the damage is minor, it may be possible to repair it.
Step 3: Repairing the Pulley
Depending on the nature of the damage, you may be able to repair the pulley using epoxy, a metal bonding agent, or welding. Ensure the repair is secure and allows the pulley to rotate smoothly.
Step 4: Reinstall the Pulley
Align the pulley on the engine shaft and tighten the bolts or screws that secure it. Ensure the pulley is properly seated and there is no play or wobble.
Step 5: Reconnect the Spring
If the spring was disconnected during the repair, reattach it to the pulley and hook it onto the engine lug or frame. Ensure the spring is tensioned properly to provide resistance when pulling the cord.
Step 6: Test the Repair
Pull the starter cord to test the repair. The engine should start smoothly, and the cord should retract properly. If there is any resistance or the engine does not start, recheck the tension of the spring and ensure there are no obstructions.
Adjusting the Rip Cord Tension
Adjusting the tension of the rip cord on a lawn mower ensures a smooth and effortless starting process. Follow these steps to achieve optimal rip cord tension:
- Remove the Spark Plug: Disconnect the spark plug wire and remove the spark plug to prevent the mower from starting accidentally.
- Locate the Tension Screw: The tension screw is typically located near the base of the pull cord housing. It may be covered by a plastic cap or knob.
- Tighten the Screw: Use a screwdriver to tighten the tension screw in small increments. As you tighten, pull the rip cord slowly to check the resistance.
- Test the Tension: The rip cord should recoil smoothly without excessive resistance or slack. If it’s too tight, the engine may be difficult to start. If it’s too loose, the cord may slip during pulling.
- Reinstall the Spark Plug: Once the tension is set, reinstall the spark plug and reconnect the spark plug wire.
Tips for Optimal Tension
Refer to the manufacturer’s recommendations for the ideal tension setting. Consider the following tips to ensure optimal performance:
- Tighten the screw gradually, pulling the cord after each adjustment.
- Aim for a tension that provides a moderate amount of resistance while allowing for easy pulling.
- Check the tension periodically, especially after extended use.
| Tension Range | Optimal Range |
|---|---|
| Too Tight | Difficult to pull, can strain the starter mechanism |
| Too Loose | Cord may slip, making starting difficult |
| Optimal Tension | Smooth recoil, easy to pull, ensures reliable starting |
Common Rip Cord Problems
The rip cord is a vital component of a lawn mower, allowing you to manually start the engine. However, issues with the rip cord can prevent you from mowing your lawn efficiently.
8. Torn Pull Cord
A torn pull cord is one of the most common rip cord problems. This can occur due to excessive pulling, frayed edges, or wear and tear. A torn cord will prevent you from starting the lawn mower and requires immediate replacement.
Here’s how to replace a torn pull cord:
- Disconnect the spark plug wire for safety.
- Locate the pulley and recoil housing where the pull cord is attached.
- Remove the old pull cord from the pulley by pulling it out from the recoil housing.
- Insert the new pull cord into the pulley and wind it around the spool in a clockwise direction.
- Attach the pull handle to the new pull cord.
- Connect the spark plug wire.
- Pull the new pull cord to start the lawn mower.
| Type of Problem | Possible Causes | Solution |
|---|---|---|
| Spring Tension | Loose or broken spring | Adjust or replace spring |
| Damaged Starter Pulley | Cracked or worn pulley | Replace starter pulley |
Troubleshooting Rip Cord Malfunctions
1. Check for Snapped or Frayed Cords
Inspect both ends of the rip cord. If the cord is snapped or has visible fraying, it will need to be replaced.
2. Inspect the Pulley or Wheel
The rip cord is usually attached to a pulley or wheel that wraps the cord around. Ensure that the pulley or wheel is not jammed or damaged.
3. Check the Carburetor
A faulty carburetor can prevent the engine from starting, which can make the rip cord seem faulty. Check for clogs or damage to the carburetor.
4. Inspect the Spark Plug
A defective spark plug can also cause starting problems. Remove the spark plug and check for damage or wear. Replace it if necessary.
5. Clean the Air Filter
A dirty air filter can restrict airflow and make it difficult to start the engine. Clean or replace the air filter as needed.
6. Check the Fuel Filter
A clogged fuel filter can limit the fuel supply to the engine. Replace the fuel filter if it is dirty or damaged.
7. Inspect the Blades
Sharp or bent blades can make it harder to start the engine. Inspect the blades for damage and sharpen or replace them if needed.
8. Check the Battery (Electric Models)
Electric lawn mowers have a battery that powers the starter motor. If the battery is weak or dead, the engine may not start. Charge or replace the battery.
9. Inspect the Starter Motor (Electric Models)
The starter motor engages the flywheel to start the engine. If the starter motor is faulty, it will prevent the engine from starting.
10. Advanced Troubleshooting: Internal Engine Issues
If the rip cord functions properly but the engine still doesn’t start, the problem may be internal. This could include issues with the piston, rings, or valves. Refer to the manufacturer’s manual or consult a professional mechanic for further troubleshooting.
How To Fix Rip Cord On Lawn Mower
The rip cord on a lawn mower is a critical component that allows you to start the engine. If the rip cord breaks, you will not be able to start the mower. Fixing a rip cord on a lawn mower is a relatively simple task that can be completed in a few minutes.
To fix a rip cord on a lawn mower, you will need the following tools:
- A new rip cord
- A pair of pliers
- A screwdriver
Once you have the necessary tools, follow these steps:
- Disconnect the spark plug wire.
- Remove the recoil starter cover.
- Remove the old rip cord from the recoil starter.
- Install the new rip cord on the recoil starter.
- Reinstall the recoil starter cover.
- Reconnect the spark plug wire.
Once you have followed these steps, the rip cord on your lawn mower should be fixed and you should be able to start the engine.
People Also Ask About How To Fix Rip Cord On Lawn Mower
How do I know if my lawn mower rip cord is broken?
If you pull on the rip cord and the engine does not start, the rip cord may be broken. You can also check the rip cord for any visible damage, such as fraying or tears.
How much does it cost to fix a lawn mower rip cord?
The cost to fix a lawn mower rip cord will vary depending on the type of mower and the cost of the replacement cord. However, you can expect to pay between $10 and $30 for the repair.
Can I fix a lawn mower rip cord myself?
Yes, you can fix a lawn mower rip cord yourself. The repair is relatively simple and can be completed in a few minutes with the right tools.
