COUPLER 1789313 - Caterpillar

Illustration 1 g00420891
Transmission Hydraulic Control Group
(1) Flexible coupling
(2) Bolts
(3) Cover
(4) Transmission gear switch
(5) Bolts
(6) Harness connector Removal
In order to remove the transmission gear switch, perform the following procedure.
Remove the nine bolts (2) and the cover (3) from the hydraulic control in order to expose the transmission gear switch (4).
Remove two mounting bolts (5).
Remove the transmission gear switch (4) by lifting the switch out of the hydraulic control. Note: The flexible coupling (1) remains with the hydraulic control. The flexible coupling is not removable at this stage of disassembly.
Disconnect the harness connector (6) from the transmission gear switch (4). Installation
In order to install a new transmission gear switch, perform the following procedure.
Connect the harness connector (6) to the transmission gear switch (4). The connector fits in only one position.
Transmission gear switch (4) is keyed. The transmission gear switch goes on the flexible coupling. (1) one way. Place the transmission gear switch (4) on the tip of the flexible coupling (1). Align the transmission gear switch (4) with the flexible coupling (1).
Push the transmission gear switch (4) gently into the hydraulic control until contact is made with the mounts.
Install the two mounting bolts and tighten the two mounting bolts (5) for the transmission gear switch.
Place the cover (3) with the gasket on the hydraulic control. Install the nine bolts and tighten the nine bolts (2).
Check that the transmission gear switch is operating properly.