BRAKE GP-PARKING 1490742 - Caterpillar

(1) Disconnect the batteries. Remove the two nuts that hold top of 2301 governor control in place. Put 4W5391 Preregulator Box Assembly (1) in position on the governor control, and install two nuts. (2) For 2301 speed control units only, disconnect 12-40 VDC leads (2) from terminals 1 and 2. For 2301 load sharing and speed control units, disconnect 20-40 VDC leads (2) from terminals 12 and 13. (3) Check the other ends of power supply leads (2). If these leads are not connected as close as possible to the battery (for example, if they are connected to the starter), remove them. If necessary, install new leads of the same gauge wire (make sure they are connected as close as possible to battery). Connect power supply leads (2) to appropriate BATTERY (+) and (-) terminals on preregulator. (4) For 2301 speed control units only, connect wire (3) from preregulator (+) CONTROL terminal to (+) terminal 2 on the speed control. Connect wire (4) from preregulator (-) CONTROL terminal to (-) terminal 1 on the speed control. Connect the batteries.(5) For 2301 load sharing and speed control units, connect wire (3) from preregulator (+) CONTROL terminal to (+) terminal 12 on the speed control. Connect wire (4) from preregulator (-) CONTROL terminal to (-) terminal (13) on the speed control. Connect the batteries.