Air Shutoff
空气切断装置利用一个绕轴旋转的板来切断通往后冷器的进气。 发动机因通往燃烧室的空气供给受到限制而停机。 当起动紧急停机按钮或超速停机时，空气切断阀起动。 "空气切断阀""配置参数"须编程为 "ON（开启）"。
通过转动发动机两侧的红色紧急手动切断阀旋钮，可手动激活空气切断阀。
Caterpillar Information System:
3608 Engine Aftercooler
3114, 3116 and 3126 MUI Engine Governors Governor (Types I, II, and Some III) - Adjust
3608 Engine Air Inlet and Exhaust System Operation
C-12 Engine Cold Start Strategy
G3304 and G3306 Engines Ignition System
3176C and 3196 Engines for Caterpillar Built Machines Engine Oil Temperature Is Too High
1999/12/01 Torque Increased for Nuts on Fuel Injector Wiring Harness {1290}
3508B Engine for Caterpillar Built Machines Engine Overspeed Control
3114, 3116 and 3126 MUI Engine Governors Governor (Type VII) - Check
3114, 3116 and 3126 MUI Engine Governors Governor (Type VI) - Check
3508B Engine for Caterpillar Built Machines Fuel Filter Restriction
3114, 3116 and 3126 MUI Engine Governors Governor (Type III) - Check
3508B Engine for Caterpillar Built Machines Permanent Timing Calibration Sensor
3508B Engine for Caterpillar Built Machines Engine Speed/Timing Sensor
3508B Engine for Caterpillar Built Machines Atmospheric Pressure Sensor
C-12 Truck Engine General Information
3508B Engine for Caterpillar Built Machines User Defined Shutdown Input
3508B Engine for Caterpillar Built Machines Fuel Injector Timing
3508B Engine for Caterpillar Built Machines Pressure Sensor for Turbocharger Compressor Inlet
3508B Engine for Caterpillar Built Machines Pressure Sensor for Turbocharger Compressor Outlet
3608 Engine Lubrication Metering Pump - Remove and Install
3608 Engine Internal Lubrication
3512B Marine Auxiliary Engine Monitoring System
3512 and 3516 EUI Engines for Caterpillar Built Machines Electronic Control Circuit for the Fuel System