Cylinder Is Noisy
- 气门桥和/或气门间隙不正确
- 润滑不足
- 缸盖和/或相关部件有故障
- 预燃室螺栓有故障
按照系统运作/测试和调整, "发动机正时步骤"中的说明检查气门桥和气门间隙。
检查气门机构是否得到足够润滑。 发动机机油通道必须清洁。
测量气缸缸压。 请参见发动机的操作和保养手册, "缸压 - 测量/记录"。
检查气门机构的组件:气门, 气门弹簧, 气门锁 和 气门旋转器。
检查摇臂和气门桥的接触表面。
检查推杆。
检查气门的运动是否顺畅。 如果气门不能运动自如,检查是否存在以下状况:
- 气门杆弯曲。
- 凸轮轴挺杆损坏或挺杆磨损。
- 凸轮轴损坏或凸轮轴磨损。
- 摇臂轴的固定螺栓松动或螺栓损坏。
更换磨损和/或损坏的零部件。
如果更换凸轮轴,必须安装新的气门挺杆。
检查预燃室的螺栓。 确保螺栓没有松动或损坏。 必要时,更换螺栓。
Caterpillar Information System:
3516C Generator Set Engine Power Is Intermittently Low or Power Cutout Is Intermittent
3512C Engine and 785D Off-Highway Truck/Tractors Engine Shutdown Is Intermittent
G3600 Engines Crankcase Pressure Is High
G3600 Engines Coolant Temperature Is Low
2008/01/01 Update on the Hose for the Wastegate {1052, 1053}
2008/01/07 Update on the Hose for the Wastegate {1052, 1053}
3516C Generator Set Engine Engine Misfires, Runs Rough or Is Unstable
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G3600 Engines Coolant Pressure Is Low
G3600 Engines Coolant Pressure Is High
G3600 Engines Detonation Occurrence
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G3600 Engines Electrohydraulic System Oil Pressure Is Low
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TH55-E70 and TH55-E90 Petroleum Transmissions Relief Valve (Torque Converter Inlet) - Install
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G3600 Engines Engine Has Mechanical Noise (Knock)
G3600 Engines Engine Misfires, Runs Rough or Is Unstable