Coolant Level Is Low
注: 在配备柴油机排气处理液（DEF）系统的发动机上，DEF 罐需要冷却液流过罐。 冷却液分流器阀将打开或关闭至 DEF 罐的流量。 如果在冷却液分流器阀处于关闭位置时加注冷却液系统，则当冷却液分流器阀打开时冷却液液位将降低。 此情况不一定意味着有故障。
检查冷却系统有无泄漏。 参考系统操作、测试和调整, "冷却系统 - 测试"，以了解正确的步骤。
Caterpillar Information System:
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300} Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
C15 and C18 Engines Product Lifting
2011/03/16 A New Cylinder Head Gasket and Spacer Plate Are Used for 3500 Machine Engines {1100, 1201, 7555}
C9.3 Industrial Engine and CX31-P600-C9I Petroleum Power Train Package Fuel System - Prime
C15 and C18 Engines Overhaul Considerations
2010/08/26 Service Tips for the Hydraulic Electronic Unit Injector HEUI Pump {1714}
C27 and C32 Engines for Caterpillar Built Machines Exhaust Cooler (NRS) - Remove and Install
3500B and 3500C Marine Propulsion Engines E048 Backup ECM Took Control
2010/09/01 Changes to the Usage and Cleaning of the Contamination Monitor Group {0645, 0680, 1280, 1348, 3080, 429F, 5095}
C7.1 Industrial Engine Diagnostic Flash Code Retrieval
G3306B Gas Engines Fuel Filter
XQ Auto Paralleling Power Module Controls - Check
C3.4B Engines Diesel Particulate Filter Collects Excessive Soot
793F and 797F Off-Highway Trucks Chassis Electronic Control System Backlight Does Not Illuminate
3306B Generator Set Refill Capacities and Recommendations
3306B Generator Set Generator Bearing - Inspect
3306B Generator Set Alternator and Fan Belts - Inspect/Adjust/Replace
3500B Generator Sets Generator Bearing - Lubricate
3306B Generator Set Generator Bearing Temperature - Measure/Record
3306B Generator Set Safety Messages
312F and 313F Excavators Belt - Inspect/Adjust/Replace
C27 and C32 Engines for Caterpillar Built Machines Exhaust Sensor Lines - Remove and Install
3512B Petroleum Engines with the ADEM 2 Electronic Control Module E012 High Crankcase Pressure Derate
UPSB125 Uninterruptible Power Supply UPS Battery - 50Hz Basic Preventive Maintenance