Question about Garden
There is a filter attached in the tank
Posted on Apr 08, 2011
The primer (actually a purge bulb) has 2 lines (if externally mounted).. The one going from it directly to the fuel tank is the return line and has a small nylon connector on the end of it to hold it in place in the tank. Old fuel and air are returned to the tank through this line. The other line on the bulb is the one for drawing the old fuel/air OUT of the carburetor and to itself, where it then pushes it on to the fuel tank through the line previously mentioned. Another line out of the fuel tank is the filtered fuel line and goes directly to the carburetor. What follows describes the usual setup with primer bulb ON carburetor fuel line routing information also.
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
Posted on Apr 08, 2011
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Posted on Jan 02, 2017
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