TURBOCHARGER GP 4P4070 - Caterpillar

Description
Illustration 1 g01286779
Location of the Flywheel DC Bus Fuse
Illustration 2 g01286884
(1) Flywheel DC Bus Fuse Status IndicatorsThe Fuse Status Indicators (1) are connected to the Flywheel DC Bus fuses. The fuses are located below the Flywheel Inverter assemblies at the top of the cabinet. The indicators (1) are connected to the General Purpose Interface Board (GPI). The General Purpose Interface board communicates the state of the indicators to the APC board. If the fuse is blown, the indicator trips and the status will be registered by the APC board. Refer to Illustration 1 for the location of the Filter Fuse Status Indicator in the cabinet.
Illustration 3 g01286891
Wire Connections for the Fuse SwitchRemoval Procedure
Refer to Systems Operation, Testing and Adjusting, RENR7654, "Internal Component Preremoval Steps (Flywheel Cabinet)" in order to shut down the system and gain access to internal components.
Disconnect the wires from the switch. Verify the labeling on each wire with the location of the wire. Refer to Illustration 3.
Remove the switch from the fuse by removing the two screws that hold the switch to the fuse.Installation Procedure
Install the switch with the two screws.
Connect the wires to the switch. Refer to Illustration 3.