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Rotary Walk-behind Lawn Mower Manufacturers describes the reasons for engine starting difficulties:
1. It is difficult to start the lawn mower engine. There may be several reasons:
a. No gasoline: The solution is to add gasoline.
b. The spark plug wire is disconnected: the solution is to connect the spark plug wire.
c. The throttle switch is not at the starting position: the solution is to adjust the throttle switch to the maximum.
d. The oil circuit is blocked: the solution is to clean the oil circuit.
e. Misalignment of ignition: The solution is to correct the timing of the ignition.
f. The spark plug is damaged: the solution is to replace it with a new spark plug.
g. Use inferior or deteriorated gasoline: The solution is to choose the correct grade of gasoline.
2. The clogging of the air filter will also easily cause difficulty in the air intake and affect the start of the lawn mower. Therefore, the lawn mower should be cleaned or replaced frequently, use qualified gasoline, and adjust the gap between the spark plug and the engine.
3. If the pruning is uneven and there is no smooth effect, it is generally due to the dullness of the blade. Therefore, the blades of the lawn mower generally need to be polished once after ten days of use, and the hob blade can extend the grinding frequency to once every three months.
4. If the lawn mower shakes or vibrates violently during work, it may be that some hard objects were hit during the mowing process, causing the blade to curl and deform, which will cause the lawn mower to vibrate. Also, grinding the blades into a top-heavy situation can cause the mower to vibrate. Therefore, the blade of the lawn mower should be ground so that the left and right sides are horizontal. During use, pay attention to the condition of the lawn and try to avoid hard objects.
5. When the brush cutter has no power to cut the grass, it needs to replace the clutch.
6. If the muffler of the lawn mower engine smokes, it may be caused by the excessive mixing ratio of the intake air combustion. At this time, the air filter should be cleaned or replaced with a new one. If the fault persists, it is necessary to clean and adjust the engine carburetor of the lawn mower. Generally, it is only necessary to let off excess oil and run it for ten minutes. If the fault still exists at this time, you need to find maintenance personnel to overhaul the engine.
7. When the lawn mower is started, the pull rope rebounds, which is mainly caused by the advanced ignition time. In addition, it may also be caused by the blade hitting a hard object during mowing and cutting the flywheel key.
8. At present, there are two methods of oil supply for lawnmowers. One is that two-stroke lawnmowers use mixed oil (95% gasoline plus 5% engine oil), and the other is four-stroke lawnmowers that burn pure gasoline. The lawn mower should always check whether the oil is reduced, and if it is less, fill up the oil to protect the lawn mower.
9. In addition, everyone should pay attention to the fact that the lawn mower must rest for 10 minutes every two hours of work to prolong its life. Finally, I would like to remind everyone that if you want to reduce the occurrence of various failures and prolong the service life of the lawn mower, the most fundamental thing is to buy a high-quality lawn mower, and use and maintain the lawn mower reasonably according to the operating instructions.
