784C, 785B, 785C, 785D, 789B, 789C, 789D, 793B, 793C, 793D, 797 and 797B Off-Highway Trucks VIMS ™ Caterpillar


Symptom Troubleshooting

Usage:

793B 1HL
采用以下故障排除指导:

了解机器

了解机器操作。 了解症状是否具有正常工作或故障特征。

参考现有维修资料

利用全部现有维修资料了解机器系统和执行故障排除。 阅读系统操作手册,以了解机器系统。 了解机器系统的相互作用。

了解症状

向操作员了解症状情况,并获得以下信息:

  • 故障前的机器性能

  • 症状首次出现的时间

  • 发生故障时的工况

  • 故障前的事件顺序

  • 所采用的故障排除步骤

  • 机器修理记录

  • 机器预防性保养

  • 相关特定序列号维修信息

  • 检查机器有无故障以及异常气味或噪音

确认症状

尽可能复制症状。 运转机器并再现引起故障的工况。 检查仪表,查看有无异常指示。

确定电子控制模块(ECM)是否检测到故障。 诊断代码指明各个检测到的故障。

确定可能的原因

利用从操作员和您检查时获得的信息。 如果存在多种症状,则找到共同原因。

测试和修理系统

使用本手册中的测试和步骤来确定症状的原因。 一旦确定症状原因,修理故障。 然后,重新测试系统,以确认故障已排除。

向 Caterpillar®提供反馈意见

共享故障排除信息。 执行正确的修理后,为 Caterpillar® 提供反馈意见。 利用维修信息系统(SIS)网站或基于部件的故障排除(CBT)中的反馈表单与 Caterpillar 进行沟通。 提供症状、测试和修理方面的简要说明。 请附上您的电话号码或电子邮件地址,以便与您联系。 这种反馈有助于 Caterpillar 改善服务信息。

Caterpillar Information System:

3516C Generator Set Engines Oil Pressure Is Low
3516C Generator Set Engines Coolant Temperature Is Low
2011/10/13 Service Replacement Bolts and Seal Washers Are Available for the High-Pressure Fuel Pump on C175-16 Engines {1251, 1290, 7553}
C3.4B Engines Inlet Air Is Restricted
Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700} Base-Mounted Recirculating Parts Washers{0374, 0599, 0680, 0699, 0700}
Idler/Roller Assembly Machine{0374, 0599, 0729, 4159, 4180} Idler/Roller Assembly Machine{0374, 0599, 0729, 4159, 4180}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709} Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}
XQ400 Power Module Maintenance Recommendations
3516C Generator Sets Before Starting Engine
C27 Generator Set Manual Stop Procedure
C1.5 and C2.2 Industrial Engines Monitoring System - Engine Warning Indicators
3500 Generator Sets Coolant Temperature Regulator - Replace
3516C Generator Set Engines Coolant Temperature Is High
XQC1600 Power Module Overhaul (Top End)
3516C Generator Set Engines Engine Overspeeds
3516C Marine Engine Reference Material
3512B SR4B Generator Sets Starting the Engine
C18 Generator Set Product Description
C15 and C18 Petroleum Generator Sets Alarms and Shutoffs
2011/09/27 New Jacket Water Heater for Certain C1.5 and C2.2 Generator Sets {1383}
3516C Generator Set Engines Fuel Filter Is Restricted
SPF343 and SPF343C Trailer Mounted Pumpers Before Starting Engine
3512C and 3516C Marine Auxiliary and Generator Set Engines Cooling System Supplemental Coolant Additive (SCA) - Test/Add - Systems Which are Filled with Conventional Coolant or Water/Supplemental Coolant Additive (SCA)
3516C Generator Set Engines Inlet Air Is Restricted
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