• SIGNA MR355 / SIGNA MR360
  • Service Manual
  • 5856356-3EN Revision 5.0
  • Basic Service Documentation. Copyright General Electric Company.
  • Object ID: 00000018WIA30281030GYZ
  • Topic ID: id_13106200 Version: 1.12
  • Date: Apr 23, 2020 7:22:21 PM

PS for Exciter

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
1Not Applicable30 minutes15 minutes
Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
Standard Tool1---
Table 3. Replacement parts
ItemQuantityEffectivityPart numberManufacturer
PS for Exciter (Refer to Illustrated Parts )1---
Table 4. Safety
Table 5. Required conditions
ConditionReferenceEffectivity

System Power must be turned OFF. Refer to System Cabinet PDU Main Breaker LOTO Procedure.

--

About this task

Location of each Power Supply is as following illustration

Figure 1. Location of Power Supply

Procedure

  1. Remove Front Cover. Refer to SC Cover Removal
    Note:

    PS connectors are designed to be uniquely connected to the other end to avoid the mis-connection except Receiver and Exciter cable connectors.

  2. Disconnect the connectors which are routed from PS for Exciter. If necessary, cut the tie wraps.
  3. Loosen 2 screws tightening power supply and chassis.
  4. Remove the Exciter power supply from System Cabinet.
    Figure 2. PS for Exciter
  5. Restore new Exciter power supply by the reverse order of removal.
  6. Restore the system cabinet by the reverse order of the removal.