Question about Craftsman 25cc Gas Line Trimmer

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Replacing fuel lines on craftsman weedeater - Craftsman 25cc Gas Line Trimmer

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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rycgl
  • 1545 Answers

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.

Posted on Jun 01, 2010

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rycgl
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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.

Posted on Jul 10, 2010

jonvtec
  • 7 Answers

SOURCE: replace fuel lines WeedEater FL 1500 Blower

On the FL1500:

  • The Smaller line goes on the Lower inlet tube on the carborater the other end goes to the gas filter inside the gas tank.
  • The Larger line goes on the upper outlet tube on the carborater the other end goes to a fitting that holds this tube from coming out on the gas tank .This tube is only for Air, it helps fill the primer bulb when pushed.
I hope this helps.
Mechs correct me if I have made a mistake.
Thaxs Jon

Posted on Jul 11, 2010

rycgl
  • 1545 Answers

SOURCE: I have a Weedeater brand

It's not that hard. Fuel line replacement is necessary on these periodically. You have to make sure you get the proper size replacement lines. Small engine repair shops sell the 2 different size "Tygon" fuel lines your unit will need. You might as well replace the fuel filter also. Fuel line sells for about $1.00 / foot or so. The filter is inexpensive also. If you can turn the unit at an angle with the cap off or even upside down, the loose fuel filter line should fall down near the filler neck and you can grab it with long tweezers or needle nosed pliars or what have you. The fuel return line is sometimes held in place in the tank with a small nylon connector, so you will have to push it through the bottom of the tank and then fish it out after removing it from the primer bulb or the carburetor. Here is a synopsis of fuel line routing if you take on the job.
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 Jan 30, 2011

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Get foot of fuel line and insert into tank - bring it out and attach the filter - then draw it back it in with filter attached - cut off excess line and attach to carb input .

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The longest, and sometimes smaller in diameter of the two fuel lines, goes from the carburetor to the bottom of the tank. Leave enough slack in this line so that the filter that attaches to the end will rest comfortably at the bottom of the tank.

The other fuel line goes from the primer bulb to just inside the tank, (about an inch). make sure that you get the right size fuel lines. The plastic coupling goes on the end of this line, inside the tank. This keeps the line from pulling out of the tank.

(HINT): When feeding the lines through the tank holes, cut the lines at an angle. They will feed much easier into the holes. You can than cut them off square, once you know that you have enough to work with.

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Also you might move your post to another section; it is under timers not trimmers. ;)

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