794 AC Off-Highway Truck Power Train Caterpillar


Inverter - Remove and Install - Retarding Grid Blower

Usage:

794 AC HRT

Removal Procedure

------ WARNING! ------

The Power Train Electric Drive System and the Accessory Power System will contain hazardous voltage levels during machine operation and for a period of time after machine shutdown.

Do not remove any covers that will expose energized electrical components while the engine is operating. Do not remove any covers that will expose the energized electrical components while the components remain energized following an engine shutdown.

Do not perform any type of electrical maintenance on the orange hazardous voltage conductors, the power train components or the accessory power system components while the engine is operating.

Do not perform any type of electrical maintenance on the orange hazardous voltage conductors, the power train components or the accessory power system components while the components remain energized following an engine shutdown.

Always perform the safe shutdown and de-energizing procedure before performing electrical service on the Power Train Electric Drive System or the Accessory Power System.

Failure to follow these instructions could result in personal injury or death.



NOTICE

The two top compartments on the front of the Inverter Cabinet contain low voltage control components. All of the other compartments in the cabinet contain high voltage components. The "Electrical Shutdown and Voltage Discharge" procedure must be performed before any of the high voltage compartments are entered.


  1. Prepare the machine for maintenance. Refer to Operation and Maintenance Manual , "Prepare the Machine for Maintenance".

  2. Shutdown and de-energizing the machine. Refer to Operation and Maintenance Manual, "Electrical Shutdown and Voltage Discharge".


    Illustration 1g03794781

  3. Remove panel (1).


    Illustration 2g03794791

  4. Disconnect cable assemblies (2) and wire assemblies (3).

  5. Disconnect harness assembly (4).

  6. Disconnect cable assemblies (5).


    Illustration 3g03794966

  7. Remove mounting bolts (6). Remove inverter (7).

Installation Procedure

  1. Install inverter (7) in the reverse order of removal.

Caterpillar Information System:

2015/06/12 A New Engine Wiring Harness Is Available for Certain Cat 3512C Engines {1000, 1408}
3500 Generator Sets with Dynamic Gas Blending Product Lifting
C7.1 Engines Sensor Signal (Analog, Passive) - Test
C4.4 and C7.1 Engines Relay - Test - Start Relay
C2.2 Engines for Caterpillar Built Machines Engine Oil Pump - Install
C7.1 Engines Relay - Test - ECM Power Relay
794 AC Off-Highway Truck Power Train Interface Module - Remove and Install - Motor No.2
794 AC Off-Highway Truck Power Train Interface Module - Remove and Install - Motor No. 1
794 AC Off-Highway Truck Power Train Phase Module - Remove and Install
C8.7 and C12.9 Marine Engines ECM - Replace
C8.7 and C12.9 Marine Engines Electromagnetic Clutch - Test
2015/03/17 Procedure to Improve Reporting into VisionLink after Re-Registration of Product Link Systems PL121/321 {7606}
C7.1 Engines Sensor Supply - Test
C8.7 Marine Engines Fuel Temperature Sensor
Air/Fuel Ratio Setup for Certified G3306B Generator Set Engines{1278} Air/Fuel Ratio Setup for Certified G3306B Generator Set Engines{1278}
C8.7 Marine Engines Electric Starting Motor
2015/03/06 New Power Train Software Is Available to Ensure Compatibility with the Multi-Station Control System (MSCS) Used on C8.7 Marine Engines {7620}
C280-16 Tier 4 Marine Engine and C280-12 Tier 4 Marine Engine Catalyst - Remove and Install - 12 Cylinder
C8.7 Marine Engines Piston Cooling Jet
C8.7 Marine Engines Engine Oil Pan
C8.7 Marine Engines Valve Mechanism Cover
C8.7 Marine Engines Gear Group (Rear)
C8.7 Marine Engine Transmission Oil Cooler - Remove and Install
C8.7 Marine Engines Engine Oil (Pressure and Temperature) Sensor
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.