Visual Inspection
诊断故障的第一步是对部件进行目视检查。
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不得用手检查有无渗漏。 针孔（非常细小）渗漏可能会导致软管附近出现高速油流。 这种机油可以穿透皮肤，造成个人伤害。 使用纸板或纸张定位销孔渗漏。 |
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机器做检查、保养、测试、调整和修理时，必须小心，不让液体流出。 在打开任何腔室或拆解任何储有液体的部件之前，要准备好用合适的容器收集液体。 有关可提供予卡特彼勒机器的工具及适合于盛装液体的容器，请参阅技术手册, NENG2500, "卡特彼勒工具及车间用品指南"。 按照本地法规和指令处置所有液体。 |
- 检查控制盒的电源。
- 检查控制盒的安装紧固件是否松动。
- 在加注油液前，检查控制盒的指示灯是否正常工作。
- 检查控制盒的加注口接头有无损坏和/或泄漏。
- 检查控制盒的管路连接有无损坏和/或泄漏。
- 检查储液罐的管路连接有无损坏和/或泄漏。
- 检查储液罐管路的连接有无损坏和/或泄漏。
- 检查储液罐内的传感器有无损坏和/或泄漏。
- 检查传感器的导线有无以下情况：
- 连接处松动
- 导线开裂
- 绝缘层损坏
- 导线磨损
- 连接处松动
- 检查控制盒的导线有无以下情况：
- 连接处松动
- 导线开裂
- 绝缘层损坏
- 导线磨损
- 连接处松动
Caterpillar Information System:
793F and 793F XQ Off-Highway Truck Fast Fill Service System Limit Switch (Grease Low Level)
330D, 336D, 336D2, 340D and 340D2 Excavators Machine System Specifications Seat Belt
Reuse and Salvage for C-280 & 3600 Engine Cylinder Blocks {1201} Reuse and Salvage for C-280 & 3600 Engine Cylinder Blocks {1201}
3176C, 3406E and 3456 Industrial Engines Speed Control - Test
G3500 Engines Engine Oil Pump
3500 Engines Air Inlet and Exhaust Lines
G3520B Industrial Engines Timing Offset - Calibration
G3520B Industrial Engines Fuel Shutoff - Test
3500 Engines Exhaust Manifold
G3520B Engines Gear Group (Front)
G3520B Industrial Engines Ignition Transformer
Salvage of Center Bearing in Torque Converter Input Housing {3101, 3127} Salvage of Center Bearing in Torque Converter Input Housing {3101, 3127}
2008/09/01 An Improved Front Mounted Open Crankcase Ventilation System Is Now Used {1074, 1317}
Instructions for the Field Installation of a Secondary Crankcase Breather Kit on the C15 On-highway Engines{1317, 1317} Instructions for the Field Installation of a Secondary Crankcase Breather Kit on the C15 On-highway Engines{1317, 1317}
2008/03/01 A New Purge Pump and Service Pack are Now Used {107P}
Installation Procedure for the Fuel Transfer Kit on the Hydraulic Electronic Unit Injector (HEUI) Pump{1256} Installation Procedure for the Fuel Transfer Kit on the Hydraulic Electronic Unit Injector (HEUI) Pump{1256}
793F and 793F XQ Off-Highway Truck Hydraulic Fan and Steering System Liquid Level Switch (Steering Tank)
345D, 349D and 349D2 Excavators Hydraulic System Control Valve (Boom Lowering) - If equipped
C4.4 Industrial Engine Fuel Filter
345D, 349D and 349D2 Excavators Hydraulic System Stick Hydraulic System
345D, 349D and 349D2 Excavators Hydraulic System Control Valve (Stick Lowering)
345D, 349D and 349D2 Excavators Hydraulic System Bucket Hydraulic System
2008/04/01 A New Valve Cover is Used {1100, 1120}
Repairing the Fuel Injector Rocker Arm{1102, 1123, 1290} Repairing the Fuel Injector Rocker Arm{1102, 1123, 1290}