Engine troubleshooting method

Is your lawn mower unable to start up, or smoke after starting it, is it working abnormally? Don't worry, let Briggs to help you! The engine does not start and the pull cord is not pulling properly. 1. Check the ANSI (American National Security Association) safety system and press the handle of the safety brake system or activate it to the working state so that the handle is close to the handrail. If the system is working properly, the engine should start running with minimal resistance. When testing the system, you can release the handle and pull the drawstring. If the system is normal, the drawstring can pull up to 25 to 50 mm from the cavity. Second, check the oil level to maintain proper oil level is the engine's normal operation and service life is very important. You can use the following methods to check if the oil level in the crankcase is appropriate. (1) If the engine uses an automobile-type dipstick, place the engine horizontally, then pull out the dipstick, wipe off the oil on the dipstick, and reinsert the dipstick, and then pull out the oil trace shown at the end of the dipstick. The oil level. The oil level should be flat or close to the full-scale line with the full-scale line. (2) If the engine is not using an automotive dipstick, place the engine vertically so that the oil hole plug is on the side of the engine. Then place the engine horizontally. At this time, remove the oil plug and check the oil level on the thread of the plastic oil plug. (3) If the oil level is appropriate, oil traces should be visible on the threads of the oil hole plug. The oil level error obtained by this method is about 5% to 10%. If using a dipstick, the oil level is still acceptable when it is within 12 mm of the full scale of the dipstick. However, if it is higher than 12 mm, it must be repaired immediately. (4) If the engine is placed horizontally and the oil does not overflow when the oil plug is removed, the oil is not overfilled. Third, check whether the crankshaft is damaged when the crankshaft deformation occurs. For example, the most distant parts from the vibration source (such as the handle of a rotary mower) exhibit significant abnormal vibration. In addition, the engine may not be able to start, or the drawstring will snap back when launched. If the deformation of the crankshaft is large, the pulling rope or the electric motor will cause the abnormal engine position and the mower blade will hit the base. Fourth, check the self-resilience system Press the safety brake system or remove the load from the engine power output. Pulling the drawstring should now allow the engine to start turning. If there is no resistance when the pull rope is pulled or the engine does not rotate, there may be a problem with the winding system. If the drawstring is not retracted immediately back into the rebounder, it indicates that the self-rebound system has a component failure and needs repair. The engine does not start, pull the rope to pull a normal, check the spark plug line and check the spark plug high voltage line to see if it is in contact with the contact of the spark plug. Push the port of the high voltage wire inwards to ensure that the end clamp in the port is in contact with the spark plug contact. Second, check the gasoline tank Brigitte engine should use clean, fresh unleaded gasoline. You can open the fuel tank cap and visually inspect the oil level in the tank through the filler hole. Third, check whether the gasoline is fresh or not. You can use a flashlight to irradiate and check the bottom of the tank to see if the gas is clean. Dust or debris in the dirty gasoline will settle and accumulate at the bottom of the tank. If you suspect gasoline is old, the most effective way is to smell it and compare it to the smell of fresh steam. Long-term unused gasoline has a special taste. Fourth, check the air filter First, the air filter and the sealing surface of the components should be visually inspected. If the filter is dropped on a hard surface and a dust or debris is dropped, it means that the filter should be replaced. If a foam filter cartridge is used, the filter element can be inspected for spots, and If there is any debris on the surface closest to the air intake. If the visual inspection method cannot determine the problem of the filter, but the engine still has performance problems, remove the air filter and start the engine. If the engine is working at this time, the filter should be replaced. If the engine problem persists and the seal of the air filter is normal, the air filter is intact. V. Check the performance of the oil injector When checking the performance of the oil injector, remove the air filter and press the oiler to check the carburetor throat. If the oiler is working properly, you should see a small amount of gasoline injected into the carburetor. If the oiler is faulty, there is almost no gasoline injected into the carburetor. The parts should be sent to the nearest Brillant dealer for repair. 6. Inspect the throttle valve to place the throttle wire control in a choke mode. Remove the air filter and check the position of the gas block. If the gas shield is not completely closed, it must be corrected. If it is completely closed, adjust the throttle wire control and observe the movement of the gas blocking plate. When the throttle line control position from the gas to the fully open state, the gas shield should open. If it is not open or the opening is incomplete, it should be overhauled.


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