Electrical System
充电器正在工作时，切勿从蓄电池上断开任何充电器电路或蓄电池电路电缆。 否则，由某些蓄电池产生的易燃气体可能被火花点燃。
为有助于防止火花点燃某些蓄电池产生的可燃气体，负极 "−" 电缆应该最后从外接电源连接到起动马达的负 "−" 接线柱。 如果起动马达没有配备负 "−" 接线柱，请把电缆连接到缸体。
每天检查电线有无松动或擦破。 在发动机起动之前，拧紧所有松动的电气连接。 发动机起动之前，要修理好所有擦破的电线。 参见本操作和维护手册, 发动机起动，了解具体的起动说明。
在控制面板主接地端子底架上有一个常用接地点。
确保保养维修后更换所有的接地母线。
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| 图 1 | g06057654 |
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控制面板上的接地凸台位置 (1) 常用接地点（主接地母线） | |
Caterpillar Information System:
C7.1 Marine Engine Fuel Priming Pump - Remove and Install
3512E Tier 4 Final Engines for Land Electric Drilling Engine Shutdown Occurs Intermittently
C4.4 (Mech) Industrial Engine Connecting Rod - For Use With Spheroidal Graphite Iron (SGI) Crankshaft
C4.4 (Mech) Industrial Engine Main Bearing Journal - Spheroidal Graphite Iron (SGI) Crankshaft
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3512E Engines Flywheel Housing - Remove and Install
3512E Tier 4 Final Engines for Land Electric Drilling Engine Stalls at Low RPM
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3512E Engines Crankshaft Rear Seal and Wear Sleeve - Remove and Install
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C9.3 Marine Auxiliary Engines Safety Messages
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Inspection of the 287-8585 Bushing and Pulley Assembly on Certain 3516C Generator Set Engines {1359} Inspection of the 287-8585 Bushing and Pulley Assembly on Certain 3516C Generator Set Engines {1359}
XQP500 Generator Sets Product Lifting
C9.3 Marine Auxiliary Engines Sensors and Electrical Components
XQP500 Generator Sets Refill Capacities
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NEHS1270 TesLite and LoadProCables {0374, 0599, 0709, 0734} NEHS1270 TesLite and LoadProCables {0374, 0599, 0709, 0734}
XQP500 Generator Sets Setup
3512E Engines Gear Group (Rear) - Remove and Install
XQP500 Generator Sets Product Description