In the case of the Ryobi 767rj that we use as an example, the fuel filter line has a small retaining ring on the outside of the fuel tank helping to hold the fuel filter in place. The trimmer fuel line attached to the fuel filter will often have a couple extra pieces holding it in place. On the Ryobi 767rj, the overflow line leading from the primer bulb simply pulls out. Remove the overflow return line from the fuel tank. Remove all fuel lines from their fittings with a screwdriver.Ĩ. Place the screwdriver against the end of the fuel line and use some pressure to push it off the fitting.ħ. Hint: An easy technique for removing trimmer fuel lines from their fittings is to use a flat head screwdriver. Attempting to pull the fuel lines off their fittings risks breaking them. When installed correctly, the fuel lines should be attached to their fittings tightly. Trimmer fuel lines attach to fittings on the carburetor and primer bulb. Note which is the correct hole on the fuel tank through which the primer overflow line passes.Note which is the correct line to connect to the remaining primer bulb attachment site. ![]() Note which primer bulb connection the "out" line from the carburetor attaches to. Most primer bulbs make one fuel line connection longer than the other to help keep them straight.Note where the carburetor "out" line passes through the choke plate.Note where on the carburetor the "in" line connects.Note the hole in the choke plate through which the filtered "in" line from the fuel tank passes to the carburetor.Note the hole in the fuel tank in which the fuel filter attaches.Draw a diagram of the trimmer's fuel lines. Drawing a diagram of the fuel line arrangement can prevent mix-ups.Ħ. Other trimmers may be a little different, but their fuel line set-up is likely to be similarly complicated. The fuel lines of the Ryobi 767rj connect the fuel tank, primer bulb, and carburetor through several holes in the choke plate that allow them to pass between. įollowing this step will make your repair go a lot smoother, guaranteed. The trimmer fuel system is now removed, but it is very important to inspect and diagram the fuel line setup before continuing. Remove them together before disturbing the fuel line arrangement. The fuel tank, carburetor plate, and carburetor will still be connected together by the system's fuel lines. Remove the fuel assembly from the trimmer. Now that the carburetor is freed up, the only thing keeping you from removing the entire fuel system should be the fasteners holding the carburetor mount plate in place. Unscrew fasteners holding the mount plate. Simply lifting and tilting the carburetor will release the throttle cable. Like the Ryobi 767rj which we use as an example, most trimmer throttle cables thread through the carburetor choke plate and attach to the carburetor. Release the throttle cable from the carburetor. Many trimmer carburetors will be affixed to the engine against a plate, sometimes called a carburetor choke plate or choke plate.īecause the entire choke plate, carburetor, and fuel tank need to be removed from the trimmer, you'll have to start by releasing any fasteners on the carburetor. ![]() Remove any fasteners that affix the cover to the engine so you can access the carburetor. Remove the fuel system cover.Įvery trimmer can be a little different, and this trimmer's fuel cover is located on the rear of the engine. In the case of our demonstration trimmer, the fuel tank, carburetor, fuel lines, and carburetor mount plate will come off all together. The first step in this multi-part repair requires disassembling the trimmer enough to have access to its entire fuel system.
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