What does each line go to
SOURCE: repairing fuel line on craftsman 32cc weed trimmer.
Cut the end of the line at a sharp angle. Spray WD-40 on the line and fuel tank hole. Slowly screw the line in the tank far enough so you can connect the fuel filter if you are replacing that line. If not just push the line into the tank if you have a two line system. Remember on the fuel primer, the long tip has the line going to the tank, and the short tip has the fuel line going to the carb.
SOURCE: Craftsman 32cc Weedeater -- need fuel line diagram
The smaller diameter line (fuel supply) goes from the fuel tank (w/filter) to the carb body. Another larger line (purge line) goes from carb body to the right nipple on the primer bulb. Another large line (return line) goes from the left nipple of the primer bulb into the fuel tank. co0mpleting the purge circuit. This info pertains to my 2006 Craftsman 32cc with Zama carb.
SOURCE: replacing fuel lines on ryobi weed eater,need
This is an ongoing issue for users, and rightfully so. Small diameter line out of fuel tank (has filter in-tank on end) connects 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. Years ago on 2-stroke trimmers, primers were not even used,...you choked the carb with a slide lever and gravity let fuel enter the carb from above...a few pulls, a "pop"...slide it off of choke and away you went.
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 the line is held in place with a nylon nipple connector that keeps the line from pulling out of the tank.
SOURCE: I have a craftsman 32cc
An auto feed line system will do just that and if too much line is released there is usually a cutter inside the edge of the plastic guard covering the string head. I use a Troy Built head on a 32 craftsman and I unscrew the bump knob ...twist and pull out the spring loaded spool....cut a lenth of line 6-8 feet or so....thread the two raw ends thru the two holes in the inner spool....pull them out until they are even with each other....then grasp each one and hold them side by side and wind them onto the spool in a clockwise manner. This is how I do the string head with a split boom that fits the 32cc Sears Power head (an older Troy Bilt).
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