It's not safe to drive the vehicle until you have it inspected by a professional. This helps to control the speed of the machine. Step 4: Connect the new throttle spring using the needle nose pliers. If the spring is worn out or damaged, the throttle body will remain open. Step 1: The throttle return spring can be found on the side of the carburetor.
While the main function of the throttle return spring is to bring the throttle back to the closed position, it will also provide some strength to the throttle pedal. Locate the throttle spring and check if it is damaged. Linkage briggs and stratton throttle spring diagram physics. When the vehicle stops, you should turn off the engine and have it towed. Hook it through one of the two eyelets and stretch and pull it through the second eyelet. Step 5: Reinstall the air cleaner assembly and secure it with the wing nut. Depending on the year of the vehicle, the throttle spring may have multiple stages so that if one part of the spring is worn out or damaged, there will be a backup to keep the throttle closed and prevent a dangerous situation.
Step 3: Disconnect the damaged throttle return spring by unhooking it at both ends. We also included a guide on how to correct throttle return spring problems. You're less likely to replace the spring until the vehicle completely breaks down or is sold off. Linkage briggs and stratton throttle spring diagram parts. Taking your foot off the pedal will cause the butterfly valve inside the carburetor or throttle body to spring closed to its resting position. If the engine is running it will create a vacuum that will want to draw air into the intake making it difficult for the throttle blades to close on their own.
The function of the throttle return spring is to return the throttle to a closed position. If there is a malfunction of the throttle return spring, it can result in unintended acceleration. To replace the throttle return spring, you will need: - Your engine manual or a repair manual for your vehicle type. This is very important in older vehicles with a mechanical throttle linkage, the throttle return spring will keep the pedal in place allowing you to control it with ease. You might be better off allowing a local certified mechanic to inspect the throttle return spring and make any necessary checks and repairs if any is needed. Step 2: Remove the wing nut using your hand and then remove the air cleaner and air cleaner assembly from the carburetor. Briggs and Stratton Throttle Spring Diagram. You will need to use the needle nose pliers for this. When the pedal is pressed, the throttle cable will pull the butterfly valve on the carburetor or throttle body to allow more air to enter the engine. Linkage briggs and stratton throttle spring diagram calculator. Gas pedal doesn't return to its normal position.
However, the throttle return spring can start to wear, break, and become damaged with use. If you depress the pedal and notice that it feels spongy all of a sudden, you could be dealing with a broken throttle return spring. Throttle spring issues are not common but are very serious problems that should be looked into immediately they are noticed. If you release your foot from the accelerator and the gas pedal doesn't return to the normal position, then it is likely that the throttle return spring is damaged and needs to be fixed. The throttle return spring is vital in the vehicle acceleration thus malfunctions can be very dangerous. You could switch to the manual transmission, press the clutch pedal in and shift the vehicle into neutral. The throttle return spring like many other smaller components of a vehicle is meant to last the lifetime of the vehicle. This allows you to stop safely. The Briggs & Stratton throttle return spring is an important component that controls the speed of the vehicle or machine. You might not easily notice that the gas pedal feels spongy when depressed but you can easily notice that the gas pedal doesn't return to the normal position. In this post, you will find a detailed Briggs & Stratton throttle return spring diagram. You will notice that the engine's RPM will stay the same even after you let off the gas pedal.
How a Throttle Return Spring Works. Some vehicles make use of a throttle cable that runs from the back of the accelerator pedal to the throttle body or carburetor.