How to properly use the engine's large throttle is directly related to the locomotive's fuel consumption rate and economic benefits. When it is appropriate to use the big throttle and when it is not appropriate to use the big throttle, it is very particular about it. Under normal circumstances, the throttle of agricultural transport vehicles and tractors should be adapted to the working conditions such as unit load and wheel adhesion, and the following points should be noted during use: 1. The unit should be used at full load. accelerator. As long as the power machine and the supporting equipment are reasonably matched, the unit should be used with a large throttle to allow the unit to operate under full load conditions most of the time. If you often use small and medium throttles, not only reduce work efficiency, but also affect the quality of operations. 2. Use a big throttle when working on combine harvesters. Since the best motion parameters of the working parts of the combine harvester are designed according to the rated speed of the engine, no matter whether it is the width of the cut width, the speed of the unit, or the condition of the crop, whether the load of the unit is large or small, it must be Use big throttle. If the method of reducing the throttle to reduce the speed of advancement, the blade, reel, threshing and cleaning parts and other parts of the speed can not meet the design requirements, will reduce the performance of the parts and the whole machine operation quality, and even cause the roller to clog . 3. Do not use the big throttle when starting the engine. Modern diesel engines are equipped with full-governed governors. When the throttle is increased to a certain extent, the fuel pump oil regulator is already at the maximum fuel supply position. If the throttle is blindly increased, the fuel supply does not change, but the pre-tightening force of the governor spring is increased, so that the engine speed after start up greatly increases, but at this time the temperature of the engine is still low, the various parts of the lubrication is poor, after startup The excessive rotation speed will increase the amount of wear of the machine. 4. It is not advisable to use a large throttle when the unit is over obstacles. When the agricultural vehicle is driving on uneven roads, when the tractor crosses the fields and ditches, and when the wheels are trapped, large throttles cannot be used. Otherwise, the unit will vibrate strongly and damage to the traveling devices and other components can easily occur. 5. It is not advisable to adjust the high speed limit screw and tie-in governor spring. Some robots do a quick run for Dora, arbitrarily adjust the high-speed limit screws on the engine, or hang the governor spring. This will inevitably cause the maximum idle speed of the engine to increase and damage the rated operating conditions of the engine, resulting in increased fuel consumption. The increase in the inertia force of the parts will not only accelerate the damage of the machine, but also cause major mechanical accidents or car accidents. 6. It is not advisable to use a large throttle before the flameout. To get rid of the bad habits of a few throttles before the stop flameout. Before the flameout, the throttle will not only cause incomplete combustion in the cylinder, increase the damage of the engine, but also increase the consumption of fuel. According to the test, the agricultural vehicle lightly ignited 6-8 milliliters of fuel at the throttle, and ignited 10-15 milliliters of fuel at the throttle.
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