• Optima MR450w BASE 1.5T System Service Methods
  • 5690012-2EN Revision 3
  • Object ID: 00000018WIA30AEC030GYZ
  • Topic ID: id_12373665 Version: 1.10
  • Date: Jan 20, 2021 5:39:01 PM

Body Hybrid Replacement

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
2 for MR750; 1 for MR450, MR450w, MR450w GEMNot Applicable30 minutes30 minutes
Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
Non-Magnetic Service Tool Kit1-

5112581

-
Table 3. Replacement parts
ItemQuantityEffectivityPart numberManufacturer
1.5T Body Hybrid Module1-

See FRU Manual

-
Table 4. Safety

Removing Body Hybrid Splitter

Procedure

  1. Perform LOTO on the PDM-RF power for the system. See the MR Service Safety Manual, PN 5452735.
  2. Make sure the scanner is idle. Select End Exam at any point in the scan process.
  3. Remove the magnet covers. Refer to Rear Cover Removal and Installation .
  4. Remove all routed cables connected to the body hybrid module.
    Figure 1. Routed Cables
  5. Loosen the 4 nuts that secure the body hybrid module to the magnet.
  6. Remove the 4 brackets from the old module.
    Figure 2. Brackets
  7. Remove the module from the magnet room, and keep it as far away from the magnet as possible.

Installing Body Hybrid Module

Procedure

  1. Move the module into the magnet room, and keep it as far away from the magnet as possible.
  2. Install the brackets from the old module onto the new module.
  3. Secure the module to the magnet by tightening the 4 nuts provided.
  4. Re-attach the routing cables to the new body hybrid module.
    Note:

    Ensure the RF cables from the hybrid to the body coil remain dressed and routed as shown in Figure 1 after body hybrid replacement.

  5. Replace all covers in reverse order.
  6. Remove LOTO and reapply power to the system. See the latest revision of the MR Service Safety Manual, PN 5452735.