Craftsman Trimmer/weedwackermodel #358795521
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23CC Weedeater not getting fuel to engine
Model 358.795521 23CC Crafstmand 2 cycle weedwacker Weedwacker stopped working. Notice fuel lines inside gas tank had deteriorated and broken off. Purchased fuel lines from sears repair store and installed with line entering top of carburetor connected to fuel filter inside tank and line from lower portion of carburator entering tank free flowing. Can not get fuel to pump through bulb and into engine. checked for obstructions in line and carburetor but everythign clean and still won't fire. Pour some fuel into engine through spark plug opening and engine fired right up then died due to lack of fuel. Not sure of cause of problem. Please confirm fuel lines are correct ( both were broken) and any ideas on how to resolve.
Posted September 15, 2012
Alina, September 15, 2012
I understand that your weedeater is not getting any fuel to the engine. While you are waiting for an expert to respond, I have attached a helpful link below that may provide information to assist you with your question. Have a great day!
Mark T , September 17, 2012
Thank you for your question.
I am sorry you are having problems with the trimmer. I recommend checking the routing of the fuel line first. The routing of the fuel lines vary from model to model. Keep in mind that the primer bulb circulates fuel from the tank, through the carburetor, and back into the fuel tank. One line goes from the fuel tank to the carburetor. One line goes from the fuel tank to the primer bulb, from the primer bulb to the carburetor, and back to the fuel tank. The small line in the fuel tank should have the filter attached to it. I have added a sketch below of how the fuel should flow in the circuit.
I have found a video I think will be useful. Please click here to watch a video on how the fuel lines are routed.
Here is a link to order any parts you need. Sears Parts Direct .
If you do not feel confident repairing this problem yourself, then you can have it repaired by a Sears technician. Here is a link that will provide the nearest drop-off locations: Sears Home Services .
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Dave, May 08, 2013
I'm having the same problem with my Craftsman weed wacker 358.795521. The primer bulb is not pumping gas to the engine. The bulb depresses and then takes a while to reform itself. Can here air.
Mark T , May 11, 2013
Dave, I am sorry you are having this problem. If the primmer bulb will not pop back up when you push it, you need to make sure it is still pliable. If it is fine, the problem is likely in the carburetor. Cleaning the carburetor will usually cure this problem. To clean the carburetor it has to be removed from the engine. Just be sure to note the fuel line configuration before removing them. Once it is removed, disassemble the carburetor and inspect the diaphragm and the plastic flapper. If they are not cracked you can continue with the cleaning. To do that you will need a can of carburetor cleaner. Insert the straw onto the nozzle and spray cleaner into all of the holes. This should flush out any debris. After you have them flushed, you can spray out the carburetor with compressed air. Once it is cleaned, reassemble the carburetor. Before you install the carburetor back on the engine, dump out any fuel in the tank. Old fuel causes the problem you are having. After you have the carburetor mounted, refill the tank with fresh fuel mix and check the operation. I was able to find a video that shows how to disassemble the carburetor. Click on the following link to watch it. Carburetor cleaning video I hope this is helpful. Please let me know if you need further assistance. Thank you for using Manage my life. Mark
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