Question about Craftsman 25cc Gas Line Trimmer
I tried replacing the gas line that goes straight to the gas tank and the small rubber piece came off. How do I remove gas bottle to replace?
Yes, you are right. The larger line goes to the primer bulb and only goes into the tank about an inch. The coupling just keeps the line from pulling out of the tank. The smaller line goes to the carb. This line must rest comfortably on the bottom of the tank with the filter attached to the end.
Posted on Jun 08, 2009
the fuel line with the filter in the tank should go the full length of the
return line 1/2 to 3/4 of a inch in the tank
when changing the one with the filter ,replace filter with new one
Posted on Jun 30, 2009
Depending on the brand of line you use, Tygon line is self sealing but seems to shrink faster then factory supplied because of the ethanol in the gas. The stone gas filter is designed to fall to the lowest part of the tank, not stop the line from falling out.
Posted on Nov 01, 2009
Fuel filter in tank with line going directly to the fuel pump side of the carburetor This is the end of the carb with a solid cover. . This line should have length in it inside the tank where it can flop around and stay on the bottom to collect fuel. The other line in the tank should have one of the little connectors on it and can be right up to where the hole in the tank is to hold it there.. This line should connect to purge/primer bulb on the longer outlet nipple. Another fuel line should run from the metering chamber side of the carb (the end with the hole in the cover) to the purge/primer bulb with the shorter outlet nipple.
The purge bulb "pulls" fresh fuel out of the tank via a vacuum created after depressing the bulb and the fresh fuel flows completely thru the carb and any air or old fuel ahead of it are drawn to the purge bulb which then "pushes" this mixture back to the fuel tank.
Posted on Jul 11, 2010
Your Craftsman trimmer is made my Poulan/Weedeater and uses 2 different sized lines. The smaller diameter line is the fule supply line and runs from the pickup filter in the tank to the supply side of the carb. The supply side is usually the lower of the fuel nipples on the carb. Make sure to put enough line in the tank so the filter can drop to the lowest point of the tank while you are trimming. The larger diameter line is the return line, and will connect to the nipple on the carb that is closest to the primer bulb. From the factory, the return line went into the tank and had a small clear plasted connector on the end to prevent it from slipping back out of the tank. This fitting does not connect to anything in the tank, it is merely a return line. If the return line fitting is missing, just make sure to leave a couple of inches of line in the tank. If the filter is missing, you MUST replace it...it will save you from having to clean the carb out every 10 minutes of run time.
Posted on Aug 29, 2010
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