Engine Has Early Wear
- 保养周期不正确
- 发动机机油污染
- 机油压力低
- 进气系统泄漏
- 检查燃油滤清器中有无污染物。
使用发动机操作和保养手册中建议的发动机机油,并按手册中建议的周期更换发动机机油。
排空曲轴箱,使用清洁的发动机机油重新加注曲轴箱。 安装新发动机机油滤清器。 请参阅发动机操作和保养手册。
如果机油滤清器旁通阀开启的话,将会导致机油未经过滤。 检查机油滤清器旁通阀的弹簧是否发软或折断。 如果弹簧已折断,则更换弹簧。 请参阅发动机的拆解和组装手册。 确保机油旁通阀操作正确。
当发动机的某些部件短期内显示轴承磨损时,其原因可能是机油通道阻塞。
发动机的机油压力表可能会指示有足够的机油压力,但是部件却因缺乏润滑而磨损。 在这种情况下,应查看向该部件供应发动机机油的通道。
进气系统泄漏可使未经过滤的空气进入发动机中。 检查进气系统中有无表示未经过滤空气泄漏的痕迹。 检查所有密封垫和连接。 修理所有泄漏的地方。 请参阅系统操作、测试和调整,以了解更多信息。
检查空气滤清器。 必要时更换空气滤清器。
- 拆下燃油滤清器。 检查燃油滤清器中有无污染物。 安装新燃油滤清器。 请参考操作和保养手册。 确定杂质的源头。
- 燃油中的硫化氢和硫等污染物会导致曲轴箱中形成酸性物质。 获取燃油分析。
Caterpillar Information System:
CX28 Military On-Highway Transmission Transfer Gear and Case
TA19 and TA22 Transmissions Power Train Electronic Control System Sensor Signal Voltage
3516C Generator Sets Emergency Stopping
2011/07/01 Improved Engine Oil Pressure Sensor Is Used on Certain Commercial Engines {1924}
XQ400 Power Module Spark Plugs - Inspect/Adjust/Replace - Spark Plugs with Adjustable Electrode Gaps
CG137-08 and CG137-12 Industrial Engines Ignition Secondary - Test
CG137-08 and CG137-12 Industrial Engines Fuel Actuator - Test
G3406 Engine Exhaust Piping - Check
CG137-08 and CG137-12 Engines Jacket Water Heater - Check - If Equipped
C3.4B Engines For Caterpillar Built Machines Crankcase Breather
C3.4B Engines For Caterpillar Built Machines Exhaust Gas Valve (NRS)
C3.4B Engines For Caterpillar Built Machines Exhaust Cooler (NRS)
2011/08/12 New Accessory Drive Groups Are Available for Certain 3508B, 3508C, 3512B, and 3512C Locomotive Engines {1207}
CG137-08 and CG137-12 Industrial Engines Engine Valve Lash - Inspect/Adjust
UPSB505 Uninterruptible Power Supply UPS Battery - 50Hz General Maintenance
CG137-08 and CG137-12 Industrial Engines Finding Top Center Position for No. 1 Piston
C4.4 (Mech) Industrial Engine Maintenance Interval Schedule
2011/09/14 New Engine Factory Settings Are Available on Certain C32 Marine Engines {1000, 1901, 1920}
CX28 Military On-Highway Transmission Transfer Gear and Case
301.5, 301.6, 301.7 CR, 301.8 and 302 CR Mini Hydraulic Excavators Fuel System - Prime
301.5, 301.6, 301.7 CR, 301.8 and 302 CR Mini Hydraulic Excavators Light - Test
2011/07/28 New Auxiliary Sea Water Pump Groups Are Used on Certain Marine Engines {1371}
3516C Generator Set Engines Engine Vibration Is Excessive
C13, C15, and C18 Tier 4 Final Engines Electric Starting Motor