Test Step B, Crank
切断燃油供应,以防止发动机在本测试过程中起动。
本测试将启用所有启动回路,因此 6V-2150 对分析仪进行起动/充电可在以下回路中的部件上测量电压。 分析仪进行以下检查:
- 分析仪检查起动马达接地电路中是否存在过大电压降。
- 分析仪检查蓄电池电压是否在起动预期范围内。
- 分析仪检查交流发电机开路器是否存在过大电压降。 如果开路器打开,分析仪也会检查。
- 分析仪检查主要开路器是否存在过大电压降。 如果开路器打开,分析仪也会检查。
- 在钥匙起动开关上检查是否存在过大电压降。 开关或线束可能开路。
- 如果配备,检查主继电器是否闭合触点。 检查开路器是否启用。
- 分析仪检查冷却液开关是否闭合。
注: 机器有可能没有起动辅助部件。 此外,机器可能配备自动起动辅助系统。
- 分析仪检查起动辅助开关是否断开。 此外,起动辅助电磁阀应为闭合电路。
- 分析仪检查起动继电器是否闭合。 如果触点两端存在过高电压降,分析仪也会检查。
- 分析仪检查起动马达电磁阀的电源电路。 检查是否存在过大电压降。
- 分析仪检查起动马达电磁阀触点是否闭合。 如果触点两端存在过高电压降,分析仪也会检查。
Caterpillar Information System:
854K Wheel Dozer Hydraulic System Pressure Switch (Oil Filter Bypass)
Starting and Charging Systems Test Setup A, Hookup
CB-534D and CB-564D Asphalt Compactors Sound Information and Vibration Information
Starting and Charging Systems Basic Operation
Starting and Charging Systems Specifications
C7 Engine for the AP-755 Asphalt Paver and the PM-102 Cold Planer Throttle Switch Circuit - Test
3508 EUI Engine for Off-Highway Truck/Tractors Engine Support
2006/11/27 A High Capacity Oil Filter for the Output Transfer Gear Is Used {3004, 3067, 3154}
2006/09/11 A High Capacity Oil Filter for the Output Transfer Gear Is Used {3016, 3264}
Tier 1 Level Emssions Engine Repower for a 777C Off Highway Truck {1000} Tier 1 Level Emssions Engine Repower for a 777C Off Highway Truck {1000}
2006/06/19 New Radiator and Aftercooler Gp Now Used {1353}
793D Off-Highway Truck Power Train Axle Shaft - Install
Machine Start Switch Key May Not Fit Properly{1416} Machine Start Switch Key May Not Fit Properly{1416}
2007/04/30 A New Valve Improves the Service Life of the Circle Drive Motors {5057, 5082, 5207}
Starting and Charging Systems Test Step C, Start Aid
Starting and Charging Systems Test Step D, High Idle
R1700G Load Haul Dump Brake Release - If Equipped
R1600G Load Haul Dump Steering System Diverter Valve (Steering Release)
R1700G Load Haul Dump Steering System Diverter Valve (Steering Release)
Starting and Charging Systems Troubleshooting
Installing a Ride Control Kit{1408, 5004, 5057, 5077} Installing a Ride Control Kit{1408, 5004, 5057, 5077}
Starting and Charging Systems Test Considerations
793D Off-Highway Truck Power Train Tire and Rim (Rear) - Remove
793D Off-Highway Truck Power Train Tire and Rim (Rear) - Install