[摘要]新疆土石方工程加长臂挖掘机发动机的正确使用和保养。磨：即磨合，grinding: grinding
加长臂挖掘机发动机的正确使用和保养。1、磨：即磨合，1, grinding: grinding
这是延长挖掘机发动机使用寿命的基础，无论是新车还是大修后的发动机，都必须按规程进行磨合后，方能投入正常作业。
This is the basis for prolonging the service life of the excavator engine, whether new or repaired engine, must be run according to the procedures, can be put into normal operation.
2、净：即油净、水净、气净和机体净
2, the net: oil, water, gas, net net net and the net
柴油和汽油是发动机的主燃料，若柴油、汽油不纯净，会使精密的配合机体磨损，配合间隙增大，造成漏油，滴油，供油压力降低，间隙变大，甚至造成油路堵塞，抱轴烧瓦等严重故障。若空气中含有大量尘土，将会加速缸套、活塞和活塞环的磨损。若冷却水不纯净，会使冷却系水垢堵塞后，妨碍发动机散热，润滑条件也差，机体磨损严重。若机体外表不净，会使表面受到腐蚀，缩短使用寿命。
Diesel and gasoline engine is the main fuel of diesel, gasoline, if not clean, will wear body with precision, with increasing gap, caused by oil spills, drop of oil, oil pressure is reduced, big gap, even cause the oil plug, serious fault axle tile etc.. If a large number of dust contained in the air, will accelerate the wear cylinder liner, piston and piston ring. If the cooling water is not clean, will make the cooling system scale blocked, prevent engine cooling, lubrication condition is poor, the serious wear and tear. If the body appearance is not the net, can make the surface from corrosion, shorten the service life.
3、足：即油足、水足、空气足
3, foot: oil, water, air feet foot foot
柴油、汽油和空气供应不及时或中断，就会出现起动困难，燃烧不良，功率下降，发动机不能正常运转等现象。若机油供应不足或中断，会使发动机润滑不良，机体磨损严重甚至出现烧瓦现象。若冷却水不足就会使机温过高，功率下降，磨损加剧，降低使用寿命。
Diesel, gasoline and air supply is not timely or interrupt, will be difficult to start, poor combustion, power down, the engine can not operate normally phenomenon. If the oil shortage or disruption, will make the engine lubrication, the wear serious and even the emergence of the phenomenon of burnout. If the cooling water shortage will make the engine temperature is too high, power is reduced, increased wear, reduce the service life.
4、检：即经常检查紧固部位
4, inspection: check fastening parts
因柴油机和汽油机使用过程中受震动冲击和负荷不均匀等影响，螺栓、螺母容易松动。还有各部位的调整螺栓都要检查，以免造成因松动而损坏机体的事故。
Because of the shock and the non-uniform load of diesel and gasoline engines in use process, easy to loose bolts, nuts. And the adjusting bolt parts to check, in order to avoid loosening and damage the body causes the accident.
5、调：即柴油机或汽油机的气门间隙、配气相位、供油提前角、喷油压力以及点火正时等都应及时检查并调整，以保证发动机经常处于良好的技术状态，方能节省燃油，延长使用寿命。
5: namely, adjusting valve clearance, valve timing, fuel diesel or gasoline engine advance angle, injection pressure and ignition timing, should be timely check and adjust, so as to ensure the engine often is in good technical condition, can save fuel, extend the service life.
6、用：即正确使用发动机
6, use: the correct use of the engine
行驶前，应使各轴瓦等润滑部位得到润滑。起动后应待水温达到40℃-50℃时再投入作业。严禁长时间超负荷或低速作业。停机前，应先卸掉负荷降低转速。冬季停车后应待水温下降至40℃-50℃时，放净冷却水牗已注防冻液的发动机除外牘。平时要经常性做好发动机的保养工作，使机器始终保持在良好状态运转。要勤观察、勤检查，发现故障，及时排除。
Before driving, should make the bearing lubrication lubrication. After the start should be the water temperature reaches 40 ℃ -50 ℃ to put into operation. No long time overload or low speed operation. Down before, should first remove the load reducing speed. Winter park should be the water temperature dropped to 40 ℃ -50 ℃, put a net cooling water You Yizhu antifreeze except engine slips. In peacetime to often do the engine maintenance work, make the machine keep running in good condition. Ground observation, ground inspection, found fault, timely elimination.
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