It is important if you have changed the fuel lines that they are reconnected correctly, the bubble is a purge not a primer, so it pulls fuel from the carb and dumps back to the tank, on the back of the bubble there are two connections, one long one short, the long connection is the pressure side so goes back to the tank, the short one is the suction side so this goes to the carb connection nearest to the metering cover ( the one held with four screws) the fuel hose from the tank with the filter on the end goes to the connection on the carb nearest to the pump cover (held with a single centre screw) if you have not already done so replace the fuel filter in the tank.
What about filter inside tank?
SOURCE: How do I install fuel lines on a poulan chain saw
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.
SOURCE: Poulan 2150 gas chain saw. How do I connect new
Make sure the tank is filled with fresh fuel mix.Try hooking the line that goes to the tank to one of the two primer ports and operate the bulb. If it does not pull fuel in, reverse the connection to the primer and try the bulb again. Once you get fuel into the bulb, move the tank line to the other port. Install a line from the open port on the primer to the open port on the carburetor. Try the primer bulb again, it should pull new fuel from the carburetor if the two connections at the carburetor have not been reversed. This is a kind of 'hit or miss' business when connecting fuel lines that involve the primer bulb. Nothing seems to be marked on the involved parts. Hope this helps
SOURCE: I need the routing of the gas lines on a poulan
how to route the gas tank lines in a poulan chain saw
SOURCE: Replaced the primer bulb and
Chances are the primer bulb is hooked up backwards, I did that once, made me feel pretty foolish.
SOURCE: I have a 3516 chain saw mod22-600035-18 Mcculloch the fuel lines
I took it a part changing a fuel line now I need help put it back together! he he he :) anybody got pictures 4 assembling this chain saw McCat 16?
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