BLOCK GP-LUB 4780714 - Caterpillar

Illustration 1 g00874531Digital display window (1) is used to show different sets of data for several machine systems. The default readout of the display shows the service meter hours for the machine. A mode select switch (2) is provided for the operator. The switch is used to display the functions on the digital display window. Depress the switch in order to scroll through the functions. Press the switch momentarily in order to access the submodes. The last function that is selected is displayed for a maximum of five minutes. Also, the display will show the last selection until the switch is actuated again or the power is cycled on and off.Refer to Systems Operation, Troubleshooting, Testing and Adjusting, RENR4100, "621G, 623G, 627G, 631G, and 637G Wheel-Tractor Scrapers Caterpillar Monitoring System" for the different modes and submodes for digital display window (1).