A 195-type diesel engine equipped with a small four-wheel tractor has recently experienced shaft failure. Obviously, the oil in the bottom of the oil??嵘 嵘 å¨ è¿œ è¿œ è¿œ 惺 惺 惺 S 惺 惺 惺 惺 惺 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 芸煊 ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( ( (5) When the diesel engine processes oil channels in the engine body, two processing holes are left on the bottom surface of the machine body. These two holes communicate with the right main bearing and the inclined oil channel of the crankshaft connecting rod journal. After the machining is completed, the oil plug will be made of lead. The two holes were riveted to seal the main oil passage, and the two diesel plugs were loosened when the diesel engine failed. From the lubricating oil road of the 195 diesel engine, the oil in the sump was pumped out by the oil pump. Two main oil passages deliver oil, one is sent to the oil filter, which is sent to the right main bearing through the oil passage after filtration, and then sent to the connecting rod journal through the inclined oil passage in the crankshaft; The pressure oil flow of the device enters the left main bearing through the left main bearing cap oil passage, and at the same time leads through the oil passage on the left main bearing cap to the valve chamber to lubricate the valves, rocker arms and other mechanical parts. Even the buoy-type pressure indicator allows the operator to understand the oil pressure of the main oil gallery through the rise and settling of the buoy.After the loose oil plug of the processing hole in the bottom surface of the machine body, a large amount of oil flows back to the oil bottom through the oil plugging gap. The shell makes the oil supply insufficient, and the right main bearing and the connecting rod bearing hold the shaft burned tile due to lack of oil, and the connecting rod bearing is particularly ablated because the connecting rod bearing is farther than the right main bearing. At this time, the buoy on the oil pressure indicator leading to the left main bearing indicates that the oil pressure is still normal, which gives the illusion of one person to the engine and increases the difficulty of determining the fault.When the diesel engine was overhauled or replaced with ablated tiles Seriously check the tightness of the oil plug on the underside of the machine. If any looseness should be solved in time.
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