• SIGNA™ Hero 3.0T Service Methods
  • 5852800-8EN Revision 1.0
  • Object ID: 00000018WIA308FFD20GYZ
  • Topic ID: id_13106611 Version: 5.0
  • Date: Nov 2, 2021 1:08:40 PM

TDI Posterior Array Coil Replacement

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
10 minutes60 minutes0 minutes
Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
Non Magnetic Tool Set1---
Table 3. Replacement parts
ItemQuantityEffectivityPart numberManufacturer
TDI PA Coil (FRU Manual)1-

Refer to FRU Manual

-
Table 4. Safety

Procedure

  1. Move cradle to in-limit.
    Figure 1. Egress handle
  2. At rear of the magnet, remove bore end cradle cover by removing 4 screws.
    Figure 2. Bore end cradle cover
  3. Perform the following steps to remove the Cradle hardtop cover.
    1. Move the cradle to the bore end and slide out the slide rails little by little.
      Note:

      Move the cradle at the proper location in the magnet to slide out the rails.

    2. Remove cradle hardtop cover by pulling up the bore end a little and slide out.
    Figure 3. Cradle hardtop cover
    Note:

    Left and right slide rails are different parts. The gap of two alignment lines is narrow for handle end of slide the rail.

  4. Move cradle to In limit.
    Note:

    By moving the cradle to in-limit, cradle can move freely from home position to in-limit after releasing the cradle.

    Figure 4. In limit
  5. Perform LOTO for ISC.
  6. Release cradle using egress handle.
    Figure 5. Egress Handle
  7. Disconnect cable connectors from TDI Posterior Array coil (Two 16W16 and one Sub-D Connectors).
    Figure 6. Connectors
  8. Remove 6 screws and remove TDI Posterior Array coil.
    Figure 7. TDI Posterior Array Coil
  9. With new FRU, restore TDI Posterior Array Coil in reverse order of removal and connect cables.
  10. Restore top cradle top cover.
  11. Latch the cradle by pushing it to in-limit.
  12. Turn the system power ON. Refer to Lockout / Tagout for ISC.
  13. Move the cradle to home position and restore side rails by moving cradle toward in-limit little by little.
    Figure 8. Restore slide rails
    Note:

    Left and right slide rails are different parts. The gap of two alignment lines is narrow for handle end of slide the rail.

  14. Restore bore end cradle cover.
    Figure 9. bore end cradle cover

Finalization

  1. Check that cradle moves in and out smoothly.
  2. Perform MCQA Setup - TDI Posterior Array Upper .
  3. Perform MCQA Setup - TDI Posterior Array Lower.