SHAFT-COUPLING 1285050 - Caterpillar

When the Manual/Remote Mode switch on the ground level service center (GLSC) is placed in the MANUAL position or the system is placed into Manual override, the green indicators will turn solid green. The green indicators illuminated solid green signifies that the RC System is disabled.Manual Override Switch
Illustration 6 g03704601The Manual Override switch (1) is used to place the machine into manual mode and overrides the remote control system. The Manual Override switch is a momentary switch with the default position being the REMOTE MODE position. To place the machine back into remote control mode once the manual override mode is entered, the user must cycle the Manual / Remote Mode switch on the Ground Level Service Center.Note: When the Manual Override switch, manual position has been pressed, the remote control RCM remains powered. The Manual Override switch is identified with a red rectangle surrounding the switch. The red identification makes the switch more easily seen when needed.The switch is a two-position momentary rocker switch. The switch has ten contacts. When the switch MANUAL (momentary) position is pressed, contact 2 and contact 3 are connected, and contact 5 and contact 6 are connected. When the switch is in the REMOTE position contact 2 and contact 1 are connected, and contact 5 and contact 4 are connected. Contact 7 and contact 9 are used to control the manual LED in the Switch. Contact 10 and Contact 8 are used to control the Remote LED in the switch. The LEDs are built in voltage indicators. If Manual LED is lit, the RC System is powered. If the ""Remote"" LED is lit, the indication system should be powered (Blue indicator should be lit or flashing).The RC Manual Override Switch is activated in the ECM by sending the R918 Manual NO to the Digital Return J842.
Illustration 7 g03704807Ground Level Service Center (GLSC)
Illustration 8 g02923526
Ground level service center (GLSC)
(6) Manual/remote mode switch
(7) Access ladder switch (Optional function)
(8) Delayed lighting switch (Not available for RJG, ; GEB, and ; TPB)
(9) Engine shutdown switch
(11) Lock out tabThe Ground Level Service Center (GLSC) provides ground level access to the operator in order to activate the Command system. The GLSC is also a means to shut down the engine if necessary. The GLSC is mounted to the lower left-hand ripper cylinder, the counterweight of the machine, or the drawbar depending on the configuration of the machine.Manual/Remote Mode Switch
The Manual/Remote Mode Switch is located on the GLSC of the machine. Refer to Illustration 8.
Illustration 9 g03795447The Manual/Remote Mode switch powers the System Master (RCM). The remote control system is disabled (powered down) when the switch is in the Manual Mode position. The Remote control system is enabled (powered) when the switch is in the Remote Mode position.The switch is a two-position rotary switch. The switch has six contacts. Contacts 1-3 are used to power up/down the RC System. Contacts 4-6 are used by the RC System to check for diagnostic conditions of the switch. When the switch is in the remote position,