Mower use and maintenance
1. How to use the mower 1.1 Before the mower cuts the grass, the debris in the mowing area must be cleared to avoid damaging the grass head and blades. When the engine is started in the cold state, the damper should be closed first, and then the damper should be opened in due course. If the turf area is too large. It is best not to exceed 4 hours for the mower to work continuously. 1.2 After the lawn mower is used, it should be thoroughly cleaned. Check whether all the screws are fastened, whether the blades are defective or not, and check the high-pressure caps, according to the service life of the mower. Consumables are inspected or replaced in a timely manner. 2. Mower maintenance 2.1 Maintenance of oil Before each use of the mower, check the oil level to see if it is between the upper and lower scales of the oil scale. After the new machine is used for 5 hours, the engine oil should be replaced. After 10 hours, the engine oil should be replaced once more. After that, the engine oil should be replaced regularly according to the instructions. The oil change should be performed while the engine is in a warm state. Filling oil can not be too much, otherwise it will be: difficult to start, black smoke, lack of power (too much cylinder carbon deposition, small spark plug clearance), engine overheating and other phenomena; at the same time, the filling of oil can not be too little, otherwise it will Will present: Engine gear noise, piston rings accelerate wear and damage. Even the current Rava phenomenon caused severe engine damage. 2.2 Air Filter Maintenance Before and after each use, check that the air filter is dirty and wash it regularly. If it is too dirty, it will cause the engine to be hard to start, black smoke, and lack of power. If the filter element is paper, remove the filter element and remove the dust attached to it. If the filter element is spongy, use gasoline to clean it. Apply some lubricant to the filter element to keep the filter element moist. Helps absorb dust. 2.3 maintenance of grass head The head is at high speed and high temperature during work. Therefore, after about 25 hours of working on the head, 20 grams of high temperature and high pressure butter should be added. 2.4 Radiator Maintenance The main function of the radiator is noise elimination and heat dissipation. When the lawn mower is in operation, flying grass clippings will adhere to the radiator, affecting its heat dissipation function. In severe cases, it will cause a cylinder pull phenomenon, and damage the engine. Therefore, the radiator must be carefully cleaned after each use of the mower. The sundries. 3 mower common faults and troubleshooting 3.1 The engine is not running smoothly Cause: The throttle is in the maximum position, the damper is in the open state, the spark plug wire is loose, the water and dirt enter the fuel system, the air filter is dirty, the carburetor is improperly adjusted, and the engine fixing screw is loose: the engine crankshaft bending. Remedy: Lower the throttle switch: press firmly on the outside of the spark plug; clean the fuel tank, add clean fuel again; clean the air filter or replace the filter element; readjust the carburetor; check the engine fixing screw after the flameout: correct the crankshaft or replace the new shaft. 3.2 Engine can not turn off Cause: The throttle cable is properly installed on the engine; the throttle line is broken; the throttle is not sensitive; the flameout line cannot be touched. Remedy: Reinstall the throttle cable; replace the throttle cable with a new one; place a small amount of oil on the active throttle position; check or replace the flameout line. 3.3 Lawn mowing machine grass is not good reasons: the engine speed is too low; grass grass blocked the grass; grass humidity is too large; grass is too long, too dense; blade is not sharp. Remedy: Remove grass from the lawn mower; after the lawn has water to dry and then cut; divide it into two or three cuts, cutting only 1/3 of the length of the grass at a time; sharpen the blade. 4. Suggestions 4.1 The current lineup of lawnmower brands is very complicated. The diversity of Japan's Komatsu G3K, G35L, Superman, Germany's STIHL, and Australia's ROVER brand will inevitably lead to management complexity and disorder. It is recommended that old machines be phased out and that a brand of lawn mower be unified for ease of management and maintenance. 4.2 It is recommended that every year before the first time the grass is started, professional maintenance personnel are hired to perform maintenance on each lawn mower so that it can be prepared for rain. The main items of maintenance are: cleaning the carburetor, cleaning the carbon deposit in the combustion chamber, checking whether the high-pressure line is unblocked, and whether the gear box is working properly.
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