Aftertreatment System - Inspect
Note: Disconnect and lock out both AC and DC power supplies to the dosing cabinet prior to service.
- Remove side panels from dosing cabinet.
- Inspect for fluid leaks and loose or damaged hoses and fittings. DEF leaks will appear as white crystalline residue.
Inspect the wiring harness. Ensure that sensors, including inlet and outlet NOx sensors, pressure, and temperature sensors are not damaged and connections are secure.
Caterpillar Information System:
140 Motor Grader Electrical Troubleshooting Sensor Signal (Analog, Passive) - Test
Improved Integrated Voltage Regulator (IVR) Configuration is Now Available for Certain Cat® Engines {1410} Improved Integrated Voltage Regulator (IVR) Configuration is Now Available for Certain Cat® Engines {1410}
Axial Clearances of Front Pins Are Now Improved on Certain 320, 320 GCand 323 Excavators {5057, 6501, 6502} Axial Clearances of Front Pins Are Now Improved on Certain 320, 320 GCand 323 Excavators {5057, 6501, 6502}
140 Motor Grader Electrical Troubleshooting Sensor (Data Link Type) - Test
140 Motor Grader Electrical Troubleshooting Relay - Test
A New Service Replacement Hose Is Now Available for Certain Seat Suspensions {7324} A New Service Replacement Hose Is Now Available for Certain Seat Suspensions {7324}
Updated Cylinder Block Front Housing Gaskets are Now Used on Certain C27 and C32 Engines {1151, 1162, 7555} Updated Cylinder Block Front Housing Gaskets are Now Used on Certain C27 and C32 Engines {1151, 1162, 7555}
Improved Oil Filter Base Assembly is Now Used on Certain C7 Machine Engines {1306, 1308} Improved Oil Filter Base Assembly is Now Used on Certain C7 Machine Engines {1306, 1308}
Improved Oil Filter Base Assembly is Now Used on Certain C7 Engines {1306} Improved Oil Filter Base Assembly is Now Used on Certain C7 Engines {1306}
C27 and C32 Generator Set Engines Flywheel Housing - Remove and Install
140 Motor Grader Machine Systems Blower Motor (Air Conditioner and Heater) - Remove and Install
140 Motor Grader Machine Systems Seat - Remove and Install
140 Motor Grader Electrical Troubleshooting Sensor Signal (PWM) - Test
C4.4 Engines for Caterpillar Built Machines Fuel Injection - Engines with a Primary and Secondary Fuel Filter Base
Three60 Precision Controller Gen II Engine Warm Up Using Direction Disable Mode
New Software Is Now Used on Certain G3600 Engines {1920} New Software Is Now Used on Certain G3600 Engines {1920}
New Valve Bridge Design is Now Available for Certain G3400 Series Engines {1100, 1121} New Valve Bridge Design is Now Available for Certain G3400 Series Engines {1100, 1121}
New Software is Now Used on Certain 3500E Marine Engines {1920} New Software is Now Used on Certain 3500E Marine Engines {1920}
Three60 Precision Controller Gen II Maintenance Interval Schedule
C27 and C32 Generator Set Engines Gear Group (Rear) - Install
G3512 Gas Engine Cylinder Head
140 Motor Grader Electrical Troubleshooting Sensor Supply - Test
140 Motor Grader Electrical Troubleshooting Solenoid Return - Test
New Pilot Lines Group Is Now Available For Certain 390F Excavators {5057, 5059} New Pilot Lines Group Is Now Available For Certain 390F Excavators {5057, 5059}