TUBE 6I7777 - Caterpillar

Illustration 1 g00308165
The backup switches are located on the back of the right console.
Engine Speed Control - By utilizing these switches, the engine speed can be controlled manually by the operator or the engine speed can be controlled automatically by the electronic controller.
Automatic - When the electronic control system is functioning properly, backup switch (1) should be in this position.
Manual - If a problem occurs in the electronic control system, move backup switch (1) to this position in order to disconnect the controller circuit of the electronic controller system. In this condition, the machine can be operated at a reduced ratio of pump output on a temporary basis. At the same time, the power supply to the monitor is cut off and all displays on the monitor panel turn off.
Fast Engine Speed - Move backup switch (2) to this position in order to increase the engine speed. This backup switch will not operate if backup switch (1) is not in the MANUAL position. When the switch is released the switch returns to the NEUTRAL position and the machine will maintain the engine speed. This switch overrides the function of the engine speed dial.
Slow Engine Speed - Move backup switch (2) to this position in order to decrease the engine speed. This backup switch will not operate if backup switch (1) is not in the MANUAL position. When the switch is released the switch returns to the NEUTRAL position and the machine will maintain the engine speed. This switch overrides the function of the engine speed dial. Backup Switch for the Hydraulic Attachment Electronic Controller (If Equipped)
Illustration 2 g00332518
Open the access cover on the rear of the right console.
Illustration 3 g00334022
Backup Switch - Use this switch in order to change the control of the hydraulic attachment electronic controller.
Automatic - When the hydraulic attachment electronic controller is functioning properly, backup switch (1) should be in this position. Manual (MAN) - If a problem occurs in the hydraulic attachment electronic controller, move backup switch (1) to this position in order to disconnect the controller circuit of the hydraulic attachment electronic controller. In this condition, the machine can continue to work normally with all of the other function. In this position, the hydraulic attachment electronic controller is switched off.