Which fuel line goes to the primer bulb?
The (clear) fuel intake line runs from the top of the carburetor (straight nipple) and goes to the short post on the back of the primer bulb. The return line (blue) comes from the long post on the back of the primer bulb and goes into the bottom of the fuel tank.
Why do Weedeaters have 2 fuel lines?
There are 2 connections on carb; 1 on top 1 on bottom. For both the carburetor and the primer, one line should be a supply line and the other a return or vent line. The supply lines need to connect to the fuel tank so that, when the weed eater is held in the operating position, they are below the fuel level.
How to replace fuel line in gas tank?
When you remove the fuel line that feeds fuel to the carburetor, the small cylindrical fuel filter will pop off of the tube. Hold the lengths of the original tubing against the replacement tubing and cut the new tubes to the same lengths to ensure a proper fit. Using the proper tools for the job makes fuel line replacement easier.
How do you put fuel line in string?
Push the new line through the small hole and out the large hole to the lid for the gas tank. You may need the help of the needle-nose pliers again for this task. Reattach the gas tank to the string trimmer, then the fuel lines to the carburetor. Last, reattach the spark plug wire.
Where does the return line go in a gas tank?
The return line is simply pushed inside the plastic gas tank through a hole on the bottom of the tank – a very iffy connection. When things get hot the gas begins to leak out of this connection – where the fuel line goes inside the tank.
When to replace fuel lines on a chainsaw?
Fuel lines often become dry and brittle after years of use. Whether it’s time to replace the old fuel lines on your chainsaw, or whether one or both have inadvertently pulled free from the gas tank, you will have to reinsert the tubes back in the tank before you can use the chainsaw again.