The thing to remember here is the bulb is a purge, not a primer, so it pulls fuel from the carb, into the bulb and pushes it back to the tank, so if you have the pipes round the wrong way you will have problems, there are two pipes on the back of the bulb, a long connection which is the pressure side, so this is connected to the pipe going to the r/h side of the fuel , the short connection on the bulb is the suction side, so this connects to the carb, make sure they are connected up correctly, the tank vents a very reliable and give few problems, let us know how you get on.
SOURCE: weed eater starts but dies under high idle
The gas used to be primed right on the ground so the EPA regulations made them put it back in the tank.
so primer side in tank enough to be a dumping point.
Probably will have to remove and check carb. rubber components for pliable and clean all the orifices you see.
if its bad dismantle carb. completely and put in a carb. cleaner solution and let it sit for awhile
SOURCE: I have a model 2375LE
Hello,
Yes you have the lines crossed, This is an easy fix.
The Line with the filter goes to the primer, and the line coming from the primer to the brass upper fitting on the carburetor, then the lower plastic fitting goes back to the tank.
Hope this helps
If you need further help, I’m available over the phone at https://www.6ya.com/expert/matt_8dbc24bf722649ac
SOURCE: my craftsman gas blower model
If you have not done so I would check all fuel lines for smallholes or cracks and make sure all connections are good. It sounds to me like you are getting air in your fuel lines.
Have you tried to start it by adding a small amount of gas directly into carburator? Good luck and thank you.
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