Sylvie Willis
Changing the fuel line of a blower can be tricky and requires some delicate maneuvering. Before getting started, it is important to drain the fuel tank and disconnect the wire from the spark plug to ensure the blower cannot start. The next steps involve removing the blower housing, air filter cover, and carburetor, noting the configuration of the fuel lines, and then removing the fuel lines and fuel filter from the carburetor. A new fuel line kit can then be installed, ensuring the lines are snug to prevent future leaks. Finally, the blower can be reassembled, and fuel added, hitting the primer to check the lines are secured properly.
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What You'll Learn
Drain the fuel tank
To drain the fuel tank of a leaf blower, you must first ensure that the blower cannot start by disconnecting the wire from the spark plug. Next, you need to remove the blower tube by loosening the thumb screw on the front of the housing. Remove the air filter cover and air filter, then remove the carburetor mounting screws. Pull out the air box and release it from the carburetor throttle and choke levers.
Note the configuration of the small and large fuel lines on the carburetor so you can reconnect them later, then remove the fuel lines from the carburetor. Remove the carburetor from the engine, and then remove the carburetor adapter and air dam.
The end of the small fuel line is connected to the fuel filter inside the tank. Use needle-nose pliers to remove the fuel filter from the tank and then from the end of the small fuel line. Pull the small fuel line out of the tank through the mounting hole.
Now, you can drain the fuel from the tank. There are several ways to do this:
- Using a hose and a container: Insert a hose into the tank and suck on the other end to start the flow of fuel, then transfer the fuel to a container. This method is simple but carries a risk of inhaling toxic fumes or getting fuel in your mouth.
- Using an air compressor: Connect a fuel line to a fuel tank adapter and the adapter to an air compressor. The resulting pressure will force the fuel out of the tank.
- Using a manual pump: Connect a fuel line to a fuel tank adapter and the adapter to a manual pump. Start the pump to force the fuel out of the tank and into a container.
- Using a tube: If your car has a built-in tank, open the cap and use the tube to tilt or overturn the car until the tank is empty.
- Removing the fuel tank and draining it separately.
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Disconnect the spark plug wire
To disconnect the spark plug wire, start by ensuring you are working in a well-ventilated area. Remove the fuel cap and empty the fuel tank into an approved storage container.
The next step is to locate the spark plug wire. This will be attached to the spark plug, which is an essential component of any engine-powered tool. Once you have located the spark plug, disconnect the wire. It is important to ensure that all parts have stopped moving before proceeding.
After disconnecting the spark plug wire, you can continue with the maintenance or repair of your leaf blower. For example, you may need to remove the engine cover and engine exhaust cover, clean the engine, or replace the fuel filter.
Once your work is complete, remember to reattach the spark plug wire. It is also important to note that the spark plug itself should be checked regularly for corrosion and replaced as necessary.
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Remove the fuel filter
Removing a fuel filter is a task that can be done at home, but it should only be attempted if you are confident working with car engines and components. Before starting, make sure your vehicle is parked on a solid, level surface, and have a fire extinguisher available as you will be working with the fuel system, and petrol or diesel is very flammable.
First, relieve the pressure in the fuel system by loosening the fuel cap, and then removing the fuel pump fuse or relay (for the location of these, check your owner’s manual). Start and run the engine until the fuel in the lines is used up and the engine stops working. Then, crank the engine for a few seconds to remove any remaining pressure. Disconnect the negative battery cable from the battery.
Next, locate the fuel filter. It may be in the engine compartment or beneath the vehicle near the fuel tank. You may need to raise the rear of the vehicle and then support it with jack stands. Once you have located the filter, disconnect the fuel lines from the fuel filter. The fuel lines are typically connected to the filter with quick-connect fittings, which can be disconnected by pressing the tab on the fitting and pulling the line away from the filter. Be sure to have a container to catch any spilled fuel.
Now, remove whatever is holding the old filter in place. The filter is typically held in place with a clamp or bracket, which can be removed with a wrench or pliers. Carefully remove the old filter from its housing and discard it.
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Reinstall the carburetor
To reinstall the carburetor, you must first position the air filter cover over the carburetor. Secure it with the mounting screws. Reattach the spark plug wire. Ensure you are using the proper tools and safety equipment, and only proceed if you understand all the steps and are capable of completing the repair.
Next, push the blower tube back on the front of the housing and tighten the thumb screw.
Now, reconnect the fuel lines. Ensure you note the configuration of the small and large fuel lines on the carburetor so that you can reconnect them correctly.
Finally, reinstall the guard cover on the muffler and the left side housing. Reinstall the fuel cap.
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Reconnect the fuel lines
To reconnect the fuel lines of a fuel filter blower, you must first drain the fuel tank. Next, remove the tube and thumb screw, and then the plug. Remove the muffler cover, the muffler, the air filter cover, and the carburetor and carb adapter. Note the configuration of the small and large fuel lines on the carburetor so that you can reconnect them later.
Now, cut the small fuel line to the same length as the original small fuel line. Attach the fuel filter and position the left side of the housing near the blower. Thread the fuel lines through the hole in the housing near the carburetor. Position the handle properly and push the housing back together, making sure the eyelet for the starter pull cord is correctly positioned. Insert the thumb screw in the housing at the front of the blower and rotate the screw just until it catches the nut. Do not tighten it yet. Loosely install the other housing screws to keep the housing in place while you install the fan cover. Pry the tab on the fan cover spring out until it is in the loaded position. Snap the fan cover into the housing while holding the spring in the loaded position. Insert all the housing screws and tighten them firmly. Reinstall the guard cover on the muffler. Reinstall the fuel cap.
Finally, push the blower tube back on the front of the housing and tighten the thumb screw. Reattach the spark plug wire.
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Frequently asked questions
First, drain the fuel tank and disconnect the wire from the spark plug to ensure that the leaf blower can’t start. Then, remove the fuel tank and the fuel filter.
You will need to use needle-nose pliers to fish out the fuel lines from the tank. Pull the small fuel line out of the tank through the mounting hole, and then push the large fuel line into the tank through the same hole. Cut one end of the large fuel line at an angle, and push the angled end into the tank.
You will need to attach the fuel filter to the end of the new line, and then insert the fuel filter and line back into the fuel tank. Position the fuel filter at the rear of the fuel tank using a wire hook.
Reinstall the fuel cap and the left side housing. Reconnect the fuel lines to the carburetor, and then reinstall the carburetor mounting screws. Reattach the spark plug wire, and then push the blower tube back on the front of the housing and tighten the thumb screw.
