Engine Will Not Crank
可能原因
- 紧急停机开关
- 蓄电池
- 蓄电池电缆
- 起动电路
- 起动马达电磁阀
- 起动马达
- 飞轮齿圈
- 发动机附件
- 气缸液锁
- 发动机内部故障
建议措施
紧急停机开关
确认紧急停机开关处于 OFF(断开)(离开)位置。 如果开关被按下,燃油喷射将会停用,发动机无法盘车起动。 请参阅故障诊断与排除, "发动机停机开关电路 - 测试"。
蓄电池和 / 或蓄电池电缆
- 检查主电源开关、蓄电池接线柱和蓄电池电缆连接有无松动和腐蚀。 如果蓄电池电缆受到腐蚀,应拆下蓄电池电缆并清洁蓄电池电缆。 紧固任何松动的连接。
- 检查蓄电池。
- 向蓄电池充电。 请参阅专门说明书, SEHS7633, "蓄电池测试步骤"。
- 进行蓄电池负载测试。 请参阅专门说明书, SEHS9249, "针对6、8 和 12 伏铅酸蓄电池的 4C-4911 蓄电池负载测试仪 的使用"。
起动马达电磁阀或起动电路
- 测试起动马达电磁阀的操作。
- 检查通到起动马达电磁阀的线路。
起动马达或飞轮齿圈
- 测试起动马达电磁阀的操作。
- 检查起动马达小齿轮和飞轮齿圈有无损坏。
发动机附件
- 确保传动系统运动自如。
- 确保正时销没有遗留在飞轮壳上。
- 拆下并检查任何可能会锁定发动机的发动机附件。
下表所示为可能会锁定发动机的发动机附件的例子。
- 由后齿轮组驱动的液压泵
- 空气压缩机
- 动力转向泵
- 发动机机油泵
- 由后齿轮组驱动的液压泵
气缸液锁
拆下每一个单体喷油器,检查气缸(气缸液锁)内有无液体。
注: 排出缸盖内的燃油。 拆下单体喷油器时,燃油将会从缸盖流入气缸内。
发动机内部故障
- 拆解发动机。 请参阅拆解和组装。
- 检查内部部件有无下列情况:
- 咬合
- 部件断裂
- 部件弯曲
- 咬合
Caterpillar Information System:
2004/03/22 Special Instruction, REHS2081 , "Rework Procedure for Relocating The Existing Air Conditioner Condenser" is Available {1805}
PS-150C Pneumatic Compactor Machine System Water Tank
247B and 257B Multi Terrain Loaders Machine Systems Work Tool Hydraulic System
CB-334E and CB-335E Vibratory Compactors Machine Systems Fan Hydraulic System
R1600G Load Haul Dump Power Train Visual Inspection
2004/03/22 An Unknown Diagnostic Fault Code is Displayed on the CAT Electronic Service Tool Display {1901}
267B, 277B and 287B Multi Terrain Loaders Power Train Track Tensioner - Remove and Install - 287B Multi Terrain Loader
AP555E and BG555E Asphalt Pavers Machine Systems Plates (Drag Pans) - Remove and Install
AP-655C and BG-2255C Asphalt Pavers Machine Systems Feeder Drive Shaft Group - Install
AP500F Asphalt Paver Machine Systems Feeder Drive Shaft Group - Assemble
AP555E and BG555E Asphalt Pavers Machine Systems Feeder Drive Shaft Group - Disassemble
AP-655C and BG-2255C Asphalt Pavers Machine Systems Feeder Drive Shaft Group - Remove
C13, C15, and C18 Generator Set Engines Intermittent Engine Shutdown
TK741, TK751 and TK752 Track Feller Bunchers Machine Systems Piston Pump (Main Hydraulic)
CB-334E and CB-335E Vibratory Compactors Machine Systems Fan System Troubleshooting
914G and 914G2 Compact Wheel Loaders and IT14G and IT14G2 Integrated Toolcarriers Machine Systems Loader Frame and Rear Frame - Separate
C13, C15, and C18 Generator Set Engines Low Power/Poor or No Response to Throttle
914G and 914G2 Compact Wheel Loaders and IT14G and IT14G2 Integrated Toolcarriers Machine Systems Loader Frame and Rear Frame - Connect
312C, 315C, 318C, 319C, 320C, 321C, 322C, 325C, 330C and M325C Excavators and 325C MHPU and 330C MHPU Mobile Hydraulic Power Units Engine and Pump Control - V2 Communication Problem Between Controller and Monitor - Troubleshoot - "CID 248" and "CID 588"
PS-150C Pneumatic Compactor Machine System Water Spray Pump
2004/04/12 Special Instruction, REHS2085 , "Installation Procedure for The Gas Spring on The Hood" is Available {7263}
C13, C15, and C18 Generator Set Engines Event Codes
2004/06/21 Special Instruction, REHS2090 , "Planetary Troubleshooting Guide for the Asphalt Pavers" is Available {4050, 4084}
2005/03/21 Correction to Service Magazine , "A New Fuse Box Cover Is Now Used" {1417}