How to repairor replace small gas line on
Before you begin, make a mental note or take a picture of how the fuel line runs from the tank to the carburetor so you will be able to put the replacement in the same position.
On most chainsaws you need to take some wire, make a u-shaped end, which will be used to grab the fuel filter in the fuel tank. Drain the fuel in the tank. Disconnect the fuel line from the carburetor. Generally there are two lines on the carburetor, one for fuel, the other line creates suction used to pump fuel and is connected to the motor, not the fuel tank . Just disconnect the fuel line, it is usually on the side of the carburetor and will leak gas when disconnected. Once this is done, using the wire, gently grab and pull the filter towards the filler opening and using needle nose pliers grab the fuel line above the filter and pull. The problem you may have, is if the fuel line is in bad shape it will break, But once you have the filter off the fuel line, the fuel line can be pulled out from either the inside of the tank or from where it comes out of the tank and goes to the carburetor. Once it is removed you are ready to put the new fuel line in.
It is best to put the fuel filter on the fuel line next. It easier than trying to put it on inside of fuel tank going out. Spray some WD40 or equivalent, on the outside of the gas line, to help the line squeeze through the whole in the back of the tank, which it will have the go through. From the outside of the tank, where the fuel line comes out, fish some wire inside the tank and put the fuel line on the end of it, making sure not to pierce or damage the fuel line. If needed a piece of black tape will hold the wire better and help fit the line through outside hole. Once the fuel line is on the wire, pull it through carefully out the other side of the tank. It is best to use your fingers to pull the line through the outside hole, it makes it less likely the line will get torn or overstretched as line goes through the hole because of the extra rubber used on the line to seal the tank from inside and outside. Once the line is pulled through and seated, run the other end to the carburetor and you are done.
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