• Discovery MR750 3.0T System Service Methods
  • 5690009-2EN Revision 4
  • Object ID: 00000018WIA300FC030GYZ
  • Topic ID: id_12374922 Version: 1.3
  • Date: Jul 5, 2019 6:08:28 PM

Bore Light Replacement

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
1Not Applicable30 minutesNot Applicable
Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
Non-Magnetic Service Tool Kit1-

5112581

-
Table 3. Replacement parts
ItemQuantityEffectivityPart numberManufacturer
LED Bore Light Source1-

5173982

-

About this task

Overview

This document contains the procedures for replacing the LED light source used for the fiber optic bore lights.

Procedure

  1. Follow all LOTO procedures by turning off the applicable breaker in the PDU. See the MR Service Safety Manual, PN 5452735.
  2. Remove rear pedestal side cover screws, and remove the side covers.
    Figure 1. Remove Rear Pedestal Side Cover
  3. Loosen the 2 hand tightened screws that secure the fiber optic cables, and remove the cables.
    Figure 2. LED Bore Light Module
  4. Disconnect the power cable on the right side of the module.
  5. Remove 2 screws securing the bore light module to the rear pedestal panel, and remove the module.
  6. Attach the replacement module, and reconnect the power cable and fiber optic cables.
  7. Put the rear pedestal side covers back in place and secure their screws.
  8. Remove LOTO and restore power by turning on the applicable breaker in the PDU. See the MR Service Safety Manual, PN 5452735.

Finalization

No finalization steps.