WeedEater Hedge Trimmer 25cc Engine

How to Identify and Fix Common Gardening Problems ?

We provide a variety of viewpoints on how to identify and fix common gardening problems. Our sources include academic articles, blog posts, and personal essays from experienced gardeners :

A typical fuel system

A single fuel pipe runs from the tank, under the floor of the car to a mechanical pump on the engine. The pump delivers fuel to the carburettor. Whenever you check fuel pipes, disconnect the battery to prevent stray sparks igniting petrol or petrol vapour.

Most vehicles have rubber fuel hoses connecting the fuel pipes on the chassis to the fuel pump or carburetor on the engine. Rubber hoses are flexible and can be cut to length as required, but they have a tendency to perish over time and can rub through if not properly secured.
The fuel line typically consists of rigid metal pipes, with flexible rubber or plastic hoses running from the pipes to the tank and the fuel pump , and from the pump to the carburettor . The flexibility of the hoses allows some movement between these different components.
The fuel return hose is a fuel system hose that is found on vehicles equipped with carburetors. It`s primary purpose is to return excess fuel from the carburetor to the fuel pump, however it serves other important functions as well.
One is the high pressure line, which sends fuel to the injectors. The other is the return line, which dumps fuel that the injectors don`t use back into the tank.
There are only two hoses running from the pump. One is the high pressure line, which sends fuel to the injectors. The other is the return line, which dumps fuel that the injectors don`t use back into the tank.
Material: Metal fuel lines are made from materials such as steel or aluminum, while rubber fuel lines are made from rubber or other elastomeric materials. Braided fuel lines are typically made from a metal or synthetic fiber braid that is wrapped around a rubber or other elastomeric core.
The fuel supply system in a petrol engine comprises various components that work together to transfer a set amount of fuel from a car`s fuel tank to its engine for combustion. These components include a fuel tank, fuel pump, carburettor, fuel injectors, fuel filters and fuel lines.
The Fuel Lines connect all of the various Fuel System components. Steel lines and flexible hoses carry the fuel from the tank to the engine.
The fuel is stored in the fuel tank and the fuel pump draws fuel from the tank. It then travels through the fuel lines and is delivered it through a fuel filter to the fuel injectors (carburetors and throttle body injection were used on older vehicles).
A – AN 90-degree hose fitting. This fitting is used on the end of a stainless high pressure line. The fitting pointing down is installed to the hose, the female fitting pointing right connect to male AN fitting. All AN fittings are 37-degrees.
Fuel Return Line Size and Installation

Make sure there are no sharp bends or kinks. The return line should direct fuel close to the bottom of the tank and away from the pickup.

Liquid or paste type sealant won`t clog. For gasoline, regular old gasoline resistant Aviation Form-a-gasket Number 3 is the best option. Another product also offered by Permatex is the High Temperature Thread Sealant.
Description. To fit various strimmers / chainsaws / lawnmowers / hedge trimmers. ID: 3.0mm. OD: 5.0mm.
The two main dual fuel pump designs are 1) series and 2) parallel. A series design places two fuel pumps inline in a common fuel line. A parallel system has pumps working in two separate fuel lines that commonly merge farther up the fuel system at a `Y` connection.
The fuel return hose is a fuel system hose that is found on vehicles equipped with carburetors. It`s primary purpose is to return excess fuel from the carburetor to the fuel pump, however it serves other important functions as well.
In gasoline cars in U.S., the return line was the fuel flow outlet of a back-pressure regulator on the fuel injector rail on top of the engine. It flowed back into the fuel tank.
In gasoline cars in U.S., the return line was the fuel flow outlet of a back-pressure regulator on the fuel injector rail on top of the engine. It flowed back into the fuel tank.
In gasoline cars in U.S., the return line was the fuel flow outlet of a back-pressure regulator on the fuel injector rail on top of the engine. It flowed back into the fuel tank.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

I have a featherlite weedeater, just replaced the fuel lines and filter, now the gas wont pump back up into the lines, thought I put the lines back where they were. I had one short fuel line, then the long one thats connected to the filter. what should I check for?
ANSWER : Flip the lines once and see if that fixes the problem.

otherwise, was the fuel flowing before the fuel line change?

How do the fuel lines in a weedeater trimmer pe550 hook up inside the gas tank
ANSWER : I have an older model that has a weighted filter in the tank. The filter flops around and can ‘fall’ into the fuel no matter which way you tilt the trimmer/tank. You should have one in your tank. Feed in the new line and make the end come out the gas cap. Push the filter/weight into the end of the fuel line. Pull the extra fuel line out of the tank to match the original position. You should have cut the new line to approximately the proper or same length as the old fuel line with an angle cut so you could push it into the tank.

The saw starts up fine, runs fine but not for long. it runs for about 1 minute and dies. like it is out of fuel or sucking air, i noticed there is no filter on the suction line and there is another nipple entering the fuel tank which appears to need a hose on it , is this just a return line, or should the long line in side the tank press on to this nipple? thanks,
ANSWER : I’ve had my pp4218 for about 2 years and the fuel lines have rotted. I’m thinging from ethanol in the gas. However, I’m replacing them and cannot tell which lines go where. Does the large line from the bubble go to the filter and the little line return?

I need to replace fuel line in Weedeater trimmer. How can I do it ?
ANSWER : Enter Weed Eater fuel lines in the search field for numerous results and if not, repost here.

The fuel lines have rotted out of the edger gas tank. How do I fix or do I need to replace entire tank with new fuel lines?Since there are no male fuel line connections exiting the fuel tank and just two holes where the lines were, I guess I need to replace the entire tank and get a new one with lines already attached. Thanks.
ANSWER : No you can buy replacement fuel line but you must reconnect the filter in the tank that line goes to the bottom of the carby then out the top of the carby to the inlet on the primer then out of the primer and back to the tank.

How to get new plastic fuel lines in fuel tank in my weed-eater hedge trimmer. the line is larger than the hole in the tank.
ANSWER : Oftentimes it helps to use scissors to trim back a portion of the new line. Start at the bottom and cut upwards at an angle. Put some lubricant (WD40, perhaps) on the line and slide the sharp point into the fuel tank. Using needle nose pliers, grab the line and pull it through. This will only work if you have the correct size line. If the new line you are using is too large, you probably can’t pull it through.

Poulan te 450 cxl fuel lines need routed correctly two line both in tank one to fuel filter other line?
ANSWER : Other line is just left open like to send gas back from the carb.

Gas lines crumbled and don’t know how to route new lines correctly
ANSWER : The small diameter line out of fuel tank (has filter in-tank on end) connects directly to the side of the carburetor that has the fuel pump….that is the cover without the hole in it. Other larger diameter fuel line out of tank connects to the longer nipple on the external purge/primer bulb. The bulb “pulls” fresh fuel from the fuel tank to the carb and then out of the carb to itself, where it then “pushes” any air/old fuel back into the fuel tank. The remaining larger diameter fuel line in this setup goes from the metering chamber (has cover with writing on it and a vent-hole) side of the carburetor to the smaller nipple on the purge/primer bulb. Again, on the primer bulb, the longer nipple has a line going directly from it to the tank. This is the return line. The shorter nipple on the bub has a line from it going to the metering chamber side of the carb. If the purge/primer bulb is on top of the carb…small line from carb body to small hole in tank with filter. Larger diameter line goes from the bulb on the fuel pump side of the carb to the larger hole in the fuel tank where sometimes the line is held in place with a nylon nipple connector that keeps the line from pulling out of the tank. Otherwise, the line should enter the tank for about 1/2″ or so.