Question about Craftsman 25cc Gas Line Trimmer

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Craftman blower/ changed the fuel lines/ cleaned the filters/ still no fuel in to the primer

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Clean your carb and make sure your needle and seat are also clean and the screen inside carb at inlet of fuel, also the primer has a check valve inside it that gums up, try to spray carb clean or sea foams deep creep I like it seems to loosen up the check valve and remember normally fuel line with filter goes on nipple at pump side of carb and other nipple goes to suction side of primer and other nipple goes to tank as a return line as you prime it, this causes fuel to be sucked thru carb and back to tank 2StrokeJim

Posted on May 18, 2011


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Hello, I have a sears leaf blower 358.794762 that will not start. It's almost like the primer bypasses the carb

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This part fits your Leaf Blower. Husqvarna fuel filter. If the fuel filter is clogged, it willrestrict the flow of fuel to the carburetor. As a result, the engine may not start.

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How do I fix bubbles in primer and harder to start?

You might want to open the carburetor and clean it out. Sometimes dirt particles get past the air filter and find their way into it. It screws up the fuel mixture and can make it harder to start.

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No, it is a return line to the tank from the primer. It sounds like the hoses are reversed. The fuel should flow from the tank via the main fuel line (with the filter)( sometimes the main line is smaller than the return line) to the carb, fills the carb then to the primer bulb, and from the primer bulb back to the tank. With just enough fuel in the tank to cover the fuel filter start pressing the primer bulb. Check for fuel coming out the short hose into the tank. If instead the bubbles come out the filter and the primer goes dry try reversing the lines at the carb and/or the primer bulb and try again until you get the proper flow pattern.

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1 Answer

No gas getting into carb. What next??

A carb is about all you can do!
If you have primer unable to pull fuel into the motor it maybe one of two things.....a blocked fuel inlet in the carb or the fuel lines are backwards! Try swapping the fuel lines and see if anything changes. If nothing improves you will need to remove the carb and clean it out. Do not use compressed air! Use a can of carb cleaner and allow to air dry afterwards. If you can remove the fuel screen that might help too. A carb kit will come with a new one. The whole carb from eReplacmentparts is less than 30 bucks. Which is a real timesaver!

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Craftman 32cc model 358795560.From the fuel tank to the primer to the carb.Which line go where.

Hi glen11234...

Normally the big line will be the line the fuel filter is connected to inside of the tank.
The smaller of the two lines is the return to the fuel tank from the carburetor after it is pumped thru the carburetor by the primer bulb.
Please take time to rate me

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I got a craftman 32cc gas 2 cycle blower/vac 170 Mph 360 cfm. I was having problems with it not getting fuel to carberator when I got it out this season. It would stay running as long as I sprayed fuel in...

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Echo Blower PB-403T will not start. I replaced the air filter, fuel filter and spark plug. The fuel line inside the gas tank had broken off at the top. I reconnected and it still will not start. Previously...

Should be two fuel lines coming from fuel tank grommet. One feeds the carb's primer plate and the other returns from the same. Open the fuel tank and observe while pressing the primer. If you see fuel pumped INTO the tank while pushing the primer and pulled FROM the tank when the primer is released, you're OK. If not, the lines are backward. Filtered line is on SUCTION side of primer bulb. Unfiltered line is on PRESSURE side of primer and is simply a return to the tank.
Next, concerning the coil: Air gap should be .010 inch at the magnet. Echo ignition coils are warrantied for life to the original purchaser, so don't tamper too much with it. Check gap and check fire with a spark tester. If no spark with switch in on position, take it to an AUTHORIZED SERVICING dealer, found here.

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Leaf blower will not continue running unless primer bulb is pushed intermittently


Priming the engine(put some gas in the sparkplug hole)..If.Start the engine.If only the gas from the cilinder is burned change the lines prom primer bulb.

best regards savumihai71

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