Question about Poulan Pro 25hht 25cc 22" Gas Hedge Trimmer
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Posted on Jan 02, 2017
The smaller line comes from the fuel filter in the tank to the nipple on the side of the carb with the cover w/ 1large screw in the center, the other small line goes from the other nipple on the carb to the primer bulb, the larger line goes from the other nipple on the primer bulb back to the tank, and only gets pushed in about 1/2-3/4" into the tank. Hope this helps.
Posted on Apr 30, 2009
The Walbro has two connections on it for the fuel line. My Walbro has one connection on the side of the idle screw and main fuel adjusting screw. This connection hooks up to the suction side of the primer bulb. Usually the shorter stem. (You actually **** fuel through the carb instead of pushing it through.) On the other side of the carb is the other hook up. It draws fuel from the tank. This line will connect to the side of the tank that has the filter. The other side of the tank is your return and it hooks to the other connection on the primer bulb. Usually the longer stem.
Posted on Apr 19, 2010
SOURCE: Poulan PPB200. There are
The small one has the fuel filter. The other one is the return line to the tank. The return line is larger and usually have a fitting at the end of the hose and is inside the tank. Thread the new line ( large hose ) Through the hole on the right side. Thread until you can pull it out the filler hole. Install the fitting on the hose and pull it back up until the fitting hits the roof of the fuel tank (on inside of tank ) then that hose goes to the short fitting on the primer bulb. Then thread the small hose through the left hole going into the tank and pull it out the filler hole until you can install the fuel filter. Install fuel filter and pull it back until the filter rests on the edge of the filler hole. That hose goes to the right side of the carburetor. This is if you have a walbro carb. Zama also uses the right side for this hose. Hope my explanation helps. I'm working on one as well.
Posted on Oct 16, 2010
SOURCE: need diagram of fuel lines
There are 7 different types of the 1950 model (types 1 - 7) and it came with one of these 2 carbs Walbro or Zama. The carbs are different as are the fuel line connections for each one.
Although this video is for the promer bulb you can see the routing of the fuel lines.
You will have one line from the fuel tank connecting to primer bulb the 2nd line going to the carb. If you connect it backward it does not pump fuel into the carb.
(FYI Types 1 - 5 all have the same fuel line routing.)
Posted on Apr 12, 2011
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