Question about Craftsman 25cc Gas Line Trimmer

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Llllon myweed trimmer there two lines thatcome from the gas tank to the carb.one looks like a pump the other lines looks parts came off

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One is a fuel to the carburetor line and the other line is the return line to the fuel tank

Posted on May 24, 2011

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Which gas line goes to which connecter on the carb? I disassembled to clean and it's having pressure issues. The tank is filling with pressure and the bulb won't retain enough gas to keep the


The thing to remember is that the primer pulls fuel from the carb into the bulb and dumps back to the tank, it does not push fuel into the carb, connect the fuel line from the tank to the carb connection nearest to the alluminium pump cover held with a single screw, the other one goes to the shorter of the two connections on the back of the primer.

Jul 07, 2012 | Craftsman 25cc Gas Line Trimmer

1 Answer

Fuel lines rotted...need to know how they connect to gas tank/primer/and carb


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. Please vote on this solution.

Sep 04, 2010 | Craftsman 25cc Gas Line Trimmer

1 Answer

Need fuel line routing on 32cc gas trimmer


This is an ongoing issue for users, and rightfully so .On your machine.. 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.

Sep 03, 2010 | Craftsman 25cc Gas Line Trimmer

2 Answers

Replace fuel lines,craftsman weedwacker, 358.798520 . Fuel lines disintegrated in gas tank. Three parts left in tank, fuel filter and two small plastic hose connecting items.How are these parts related to...


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.

Jul 05, 2010 | Craftsman 25cc Gas Line Trimmer

2 Answers

How do I replace gas tank lines?


The inlet line will be an .080 x .140. Using side cuts, cut line at a slight angle and feed into tank. Pull through gas cap opening, cut line straight, and install filter. Pull line back into tank so filter lays on bottom. Connect to small carb fitting on side of carb.
The return line is 3/32 x 3/16. Connect one end to pump return next to primer, cut other end at angle and install about 1/2" into tank.

May 01, 2010 | Craftsman 25cc Gas Line Trimmer

1 Answer

Walbro WA219b carb


Go to www.searspartsdirect.com and with your model number you should be able to find explode parts views of that trimmer. Filtered line to primer, primer to straight inlet on carb, angled outlet on carb back to tank. That might work. Not sure without part number.

Aug 02, 2009 | Craftsman 25cc Gas Line Trimmer

2 Answers

Where do I connect the fuel lines on my ryobi weedeater?


I have Ryobi775r string trimmer with walbro WT526 carb. The fuel lines connect 3 parts eg. gas tank, bulb (mine is a separate bulb not part of carb.) and the carb. The bulb has 2 fittings- a short and a long one. The carb also has 2 fittings- one on top (vertcle) and one on the bottom (L shape). The gas tank has two holes in the bottom one for over flow line and the other for fuel inlet to the carb. This has a filter in the gas tank. Now the connections- connect the long fitting on bulb to the tank. this is the overflow. Connect the short fittin on bulb to the carb top (verticle) fitting. Connect the fuel line (with filter - it is in the tank) streight to the L fitting on the bottom of the carb. Make sure the fuel lines are of right diameter. Too big-and you will have leaks. You are done connecting the fuel lines. just for info. the bulb is there just to pull a vavcume in carb so that the fuel is sucked into the carb and is present there when you start the engine. Hope it helps. Good luck.

Jul 07, 2009 | Ryobi Garden

1 Answer

32 cc Craftsman (Poulan) gas line replacement


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.

Jim

Jun 07, 2009 | Craftsman 25cc Gas Line Trimmer

1 Answer

Looking for the diagram for the gas tank for poulan pro trimmer PP325 SKU:952711457. All the parts fell apert inside the gas tank


You have two lines going into the tank, a small and a large one. The large one goes just inside the tank and connects to the top outlet just under the primer bulb. The smaller line has the fuel filter attached and lays on the bottom of the tank. The other end attaches to the lower outlet on the carb. Hope that explains it for you. Dwain

May 19, 2009 | Poulan 25cc 2-Cycle Gas Powered String...

1 Answer

Troy Built gas trimmer will not prime.ill not prime


To me it sounds like your line is clogged. It pumps towards the tank but not towards the carb. Open it up, and check your lines out, if it's clogged it could be a little too much oil (just saying if it smokes alot when it's on).

May 09, 2009 | Garden

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