794 AC Off-Highway Truck Caterpillar

Use the power receptacle to charge the batteries only. Do not use the power receptacle to start this machine. If this machine is equipped with the electric starting arrangement, the dual starter system will draw an electrical load that is more than the rated capacity of the power receptacle. Before attempting to start a stalled engine, completely disconnect the cable from the electrical source.

Illustration 1	g03663079

Power receptacle (1) provides a dedicated 24V electrical connection for the machine.

Note: When an electrical power source is connected to the power receptacle and battery disconnect switch (2) is in the OFF (disabled) position, the batteries will charge, but the machine electrical system will remain de-energized.

There are two cable assemblies that can be used to provide power to the stalled machine through the power receptacle. One cable provides power from receptacle to receptacle (machine to machine), another cable provides power from terminal to receptacle (power pack to machine). Consult your Cat dealer for more information on the proper cable for your application.

1. Determine the cause of the battery failure. Refer to Special Instructions, REHS0354, "Charging System Troubleshooting".

2. Place the shift control lever into P position and apply the park brake through the park brake switch.

3. On the stalled machine, turn the engine start switch to the OFF position. Turn off all the accessories.

4. Make sure that the battery disconnect switch is in the ON (enabled) position.

5. Move the machine that is used for the electrical source close to the stalled machine. The cables must reach. DO NOT ALLOW THE MACHINES TO CONTACT EACH OTHER.

6. Stop the engine on the machine that is used for the electrical source. When you use an auxiliary power source, turn the charging system to the OFF position.

7. On the stalled machine, connect the appropriate cable to the power receptacle.

8. Connect the other end of this cable to the power receptacle on the electrical source.

9. Start the engine on the machine that is used for the electrical source. Energize the charging system if an auxiliary power source is used.

10. Allow the electrical source to charge the batteries in the stalled machine.

11. Before starting the stalled engine, disconnect the cable from the electrical source and disconnect the cable from the stalled machine.

12. Conclude with a failure analysis on the starting charging system. Check the stalled machine, as required. Check the machine when the engine is running and the charging system is in operation.