Rajan Wilcox
The Homelite Vac Attack 2 is a leaf blower that has been reported to have some issues with its fuel lines. Some users have reported that the leaf blower will not run unless they push the primer bulb every few seconds. Others have reported that the fuel lines need to be replaced. It is important to note that the Homelite Vac Attack 2 uses a specific type of fuel line that is black in colour and larger than the standard size. When replacing the fuel lines, it is crucial to follow the correct routing for the fuel lines, as improper installation can lead to fuel leaks or other issues.
| Characteristics | Values |
|---|---|
| Fuel Line Routing | The fuel line on the left with the filter attached goes to the bottom port of the carb. The fuel line from the right side, coming out of the tank with the inside tip attached, goes to the bottom port of the primer bulb. The top line on the primer bulb goes to the top port of the carb. |
| Fuel Filter | If the filter has broken off the line halfway, the machine will run out of fuel. |
| Fuel Line Kit | A fuel filter and fuel line kit can be purchased from Sears. The kit includes a hook that can be used to attach the new fuel line. |
| Fuel Line Colour | The Homelite Vac Attack II takes a special line that is black in colour and bigger in size. |
| Carburetor | The Walbro WYC-10 (#308429001) carburetor is discontinued and no longer available. |
| Substitute Carburetor | The Walbro carburetor 308028004 can be used as a substitute. |
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What You'll Learn
Fuel line routing
To begin the fuel line routing process, you will need to purchase a fuel filter and fuel line kit. This kit will include a hook that you can fish through the outside of the tank to the inside. Attach the new fuel line to the fuel filter and the hook, then pull it through the hole. Once this is done, disconnect the hook from the fuel line and cut off the small piece where the hook made the hole.
Now, attach the fuel line to the carburetor. The specific routing will depend on whether you are looking at the machine from the rear or the left side. From the rear, the fuel line on the left with the filter attached goes to the bottom port of the carb, while the fuel line from the right side coming out of the tank with the inside tip attached goes to the bottom port of the primer bulb. The top line on the primer bulb then goes to the top port of the carb.
From the left side, the left fuel line coming out of the tank (drain back only) goes to the right side small port of the primer bulb. The left side larger fuel line from the primer bulb then goes to the top port of the carb. The fuel line coming out of the tank (larger line) on the right side with the filter attached goes to the bottom port of the carb.
It is important to note that when replacing the fuel line, you must use the same ID and OD line. The Homelite Vac Attack 2 takes a special black line that is bigger in size.
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Fuel filter broken off
If the fuel filter on your Homelite Vac Attack 2 has broken off, you will need to replace it. You can purchase a fuel filter and fuel line kit from Sears or a lawnmower repair shop. The kit will include a hook that you can fish through the outside of the tank to the inside.
First, attach the new fuel line to the fuel filter, and then to the hook. Pull it through the hole, and disconnect the hook from the fuel line. Cut off the small piece of the fuel line where the hook made the hole, and attach the fuel line to the carburetor. Finally, push the fuel filter inside the fuel tank.
Alternatively, if the filter has broken off halfway along the fuel line, this is likely where you will be running out of fuel. In this case, you will need to replace the fuel line. When replacing the fuel line, it is important to use the same ID and OD line. The Homelite Vac Attack 2 takes a special line that is black in colour and a bigger size. The bigger line is ID .08-OD140.
If your Homelite Vac Attack 2 is only running with no more than half choke, there may be a problem with the carburetor. A common cure for this issue is to remove the muffler, take it apart, clean the screen, and then reinstall it.
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Carburetor issues
The Homelite Vac Attack II leaf blower is a powerful tool for clearing leaves and debris. However, like any machine, it can sometimes develop issues with its carburetor that can affect its performance. Here are some common carburetor issues that users of the Homelite Vac Attack II have reported, along with potential solutions:
Choke Issues: Some users have reported that their leaf blower only runs with a partial choke. They have to gradually open the choke as the engine warms up and can never fully open it. This issue may be related to a dirty or faulty carburetor, leaking gaskets, or a problem with the engine's ability to reach full power/RPM. Cleaning or replacing the carburetor, as well as checking for any leaks, may resolve this issue.
Spark Plug Problems: A faulty or dirty spark plug can cause the engine to misfire or not start at all. It is important to regularly check and replace the spark plug if necessary. This issue is common in small engines and can usually be resolved by following a spark plug replacement guide.
Fuel Filter Concerns: In some cases, the fuel filter may be missing or faulty, leading to fuel flow problems. It is important to ensure that the fuel filter is present and functioning properly. If not, a replacement filter may be needed, and the seller should be contacted for assistance.
Engine Performance: Users have reported issues with the engine idling, dying at full throttle, or lacking power. These problems may be related to the carburetor, fuel lines, or other engine components. It is recommended to check the carburetor for any blockages or issues and ensure that the fuel lines are connected properly. Adjusting the throttle and checking for any loose parts may also help resolve these issues.
Backpressure Dependency: Interestingly, some users have found that their engine speeds up and attains full power when they cover the blower discharge, creating backpressure. This issue may be related to a problem with the engine's ability to generate sufficient power without added backpressure. Adjusting the carburetor settings or seeking professional advice may help address this problem.
By being aware of these common carburetor issues and their potential solutions, users of the Homelite Vac Attack II can take appropriate steps to troubleshoot and resolve them, ensuring their leaf blower remains in good working condition.
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Primer bulb issues
The primer bulb is an integral part of the Homelite Vac Attack II's fuel system. It is responsible for creating a small amount of suction to draw fuel from the tank into the carburettor, where it is mixed with air before entering the engine. Issues with the primer bulb can lead to fuel delivery problems and affect the overall performance of the machine.
One common issue with the primer bulb is that it can become clogged over time. This can be caused by dirt or debris entering the fuel system or by the formation of varnish or residue from the fuel itself. When the bulb becomes clogged, it restricts the flow of fuel, leading to a lean fuel-air mixture. As a result, the engine may struggle to start or run erratically. In some cases, a clogged primer bulb can even lead to engine stalling.
Another issue with the primer bulb is that it can develop cracks or perforations. This can be caused by the constant pressure and vacuum cycles it undergoes during normal operation. Over time, the rubber material of the bulb can weaken, leading to tiny cracks or holes. These imperfections can allow air to enter the fuel system, causing the engine to run lean and affecting its performance. In severe cases, a perforated primer bulb can even cause the engine to shut off completely.
To troubleshoot primer bulb issues, it is important to inspect the bulb regularly for any signs of damage or deterioration. If the bulb appears cracked or clogged, it should be replaced. It is also recommended to clean or replace the fuel filter and fuel lines periodically to ensure uninterrupted fuel flow. Additionally, using fresh and clean fuel can help prevent the formation of varnish or residue, thus prolonging the life of the primer bulb.
When replacing the primer bulb, it is important to use an identical replacement part to ensure a proper fit and function. The Homelite Vac Attack II utilises a specific type of primer bulb, and using a substitute may lead to compatibility issues. It is also essential to refer to the operator's manual or seek guidance from a qualified technician to ensure correct primer bulb installation and fuel system routing.
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Spark plug issues
The spark plug is an important component of the Homelite Vac Attack II leaf blower. It is responsible for igniting the air-fuel mixture in the engine's combustion chamber, which powers the blower. Issues with the spark plug can affect the performance and operation of the blower.
One common issue with spark plugs is fouling, which occurs when the spark plug becomes coated with carbon or other deposits. This can happen due to various reasons, such as a rich air-fuel mixture, oil contamination, or a faulty ignition system. A fouled spark plug can cause the engine to misfire, run rough, or even fail to start. To fix this issue, the spark plug should be cleaned or replaced with a new one.
Another issue with spark plugs is a buildup of debris or corrosion on the threads or electrodes. This can affect the spark plug's ability to fire properly, leading to reduced engine performance or difficulty in starting the blower. It is important to inspect the spark plug regularly and clean or replace it if necessary.
In some cases, a spark plug may become loose or break due to the vibration of the blower. This can cause a loss of power or an inability to start the engine. It is important to check the spark plug regularly and tighten it if necessary. If the spark plug is damaged, it should be replaced with a new one.
The Homelite Vac Attack II leaf blower requires a specific size and type of spark plug for proper operation. Using the wrong spark plug can lead to performance issues or even damage to the engine. It is important to refer to the owner's manual or seek advice from a qualified technician to ensure the correct spark plug is used.
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Frequently asked questions
Try resetting the mixture screws. If that doesn't work, check for a loose carburetor or leaking gaskets. If the problem persists, you may need to replace the carburetor.
This could be due to a dirty screen inside the muffler. Try cleaning the screen and reinstalling it.
You can try using a substitute carburetor. The Walbro WYC-10 (#308429001) carburetor is discontinued, but you can attempt to use a different model that fits the throttle link.
The fuel line with the filter attached goes to the bottom port of the carburetor. The fuel line from the right side of the tank goes to the bottom port of the primer bulb. The top line on the primer bulb goes to the top port of the carburetor.
The correct gas-to-oil mixture for a 26cc Homelite blower is 50:1. This means 50 parts gas to 1 part oil.
