Electric Starting System - Test
大多数电气系统的测试可在发动机上完成。 线路绝缘必须处于良好状况。 电线和电缆连接必须清洁和牢固。 蓄电池必须完全充电。 如果在发动机上的测试显示某一部件有故障，应拆下该部件作更多测试。
起动系统包括以下四个部件：
- 发动机控制开关 (ECS)
- 起动继电器
- 起动马达电磁阀
- 起动马达
起动系统的故障可能是由蓄电池或充电系统问题造成的。 如果怀疑起动系统有故障，请参阅维修手册, SENR3581, "37-MT、41-MT和42-MT系列起动马达"。 本出版物包含起动系统的故障诊断与排除、测试步骤和技术规格。
Caterpillar Information System:
3406E and 3456 Generator Set Engines Fuel System - Prime
325D and 329D Excavators Storage Box - If Equipped
3412E, C30 and C32 Marine Engines Crankshaft - Remove
C7 Engines for Caterpillar Built Machines Electrical System
3412E, C30 and C32 Marine Engines Crankshaft - Remove
3408C and 3412C Marine Engines Alternator and Regulator
3406E and 3456 Generator Set Engines Fuel System
G3408C and G3412C Engines Cylinder Head
G3408C and G3412C Engines Cylinder Head
C13, C15, and C18 Tier 4 Final Engines Connecting Rod
C11 and C13 Petroleum Engines Crankshaft Seals
3176C and 3196 Engines for Caterpillar Built Machines Cylinder Liner
C15 Petroleum Generator Set Engines Exhaust Temperature - Test
C11 and C13 Engines for Caterpillar Built Machines Cooling System - Inspect
C15 and C18 Industrial Engines Fuel Filter Base - Remove
3412E, C30 and C32 Marine Engines Crankshaft - Install
C11 and C13 Petroleum Engines Fuel System - Prime
C15 Petroleum Generator Set Engines Engine Oil Pressure - Test
C15 and C18 Industrial Engines Fuel Filter Base - Install
UPS 250 and UPS 300 Uninterruptible Power Supplies Modes Of Operation
345C MHPU Mobile Hydraulic Power Unit Condenser (Refrigerant) - Clean
TH31-C9I, TH31-C9P, TH31-C9T, TH35-C13I, TH35-C13T, TH35-C15I and TH35-C15T Petroleum Power Train Packages and TH31-E61 and TH35-E81 Petroleum Transmissions Transmission Power Train Hydraulic System
G3500B Engines Sensors and Electrical Components
C15 On-highway Engine Compression Brake - If Equipped