• SIGNA™ Hero 3.0T Service Methods
  • 5852800-8EN Revision 1.0
  • Object ID: 00000018WIA3009E350GYZ
  • Topic ID: id_2020957 Version: 1.19
  • Date: Aug 6, 2021 3:36:39 PM

Removing the P2/P4 cable assembly

Removes the P2/P4 cable track assembly from the dockable patient table.

Prerequisites

Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
2-30 minutes-
Tools and test equipment
ItemQuantityPart numberManufacturer
Nonmagnetic Titanium Service Tool Kit, Small Set15113258-
Required conditions
The P2/P4 cable is removed from the cradle.
The table side covers, base covers, bellows cover, front bumper, and lower front bumper are removed from the table.

Procedure

  1. Lower the table lock safety bar.
    Figure 1. Lock safety bar down
  2. Lower the table so its weight is resting on the lock bar.
  3. Disconnect the P2 RF Tx cable from the P1 transmit connector.
    Figure 2. P1 transmit connection
    1P2 RF Tx
    2P1 transmit
  4. Disconnect the right and left Touch-and-Go (TnG) connectors from the left and right cradle-end TnG assemblies.
  5. Disconnect the dummy load connector from the dummy load.
    Figure 3. Dummy load connection
  6. Disconnect the motor power and motor signal cables from the motor assembly.
    Figure 4. Motor power and signal connectors
  7. Disconnect the string encoder connector from the string encoder.
  8. Remove the two motor cables and the string encoder cable from the lower right-hand cable track.
    Note: These three cables are part of the P1/P3/PE cable assembly, but must be removed from the right-hand cable track so that the P2/P4 cable assembly can be removed.
  9. Disconnect the following connectors from the Physiological Acquisition Controller (PAC):
    • Electro-CardioGram (ECG)
    • PAC fiber optic cable from J1
    • Respiratory tube from J3
    • Peripheral gating connectors from J5 and J6
    • 1-wire & Hart ID from J9
    • PAC power from J2
    Figure 5. PAC connections
    1ECG cablePAC ECG connector
    2Peripheral gatingJ6
    3Peripheral gatingJ5
    4PowerJ2
    5Respiratory tubeJ3
    6Fiber opticJ1
    71-wire and HART IDJ9
  10. Remove the ECG and fiber optic cables from the right-hand cable track.
  11. Disconnect the P2 bone conducting headphone cable from the P1 ODU headphone connector.
    Figure 6. P2 bone conducting headphone connection
    1P2 bone conducting headphone
    2P1 headphone
  12. Remove the two screws securing the base cover bracket to the table.
    Note: This bracket is being removed for better access to the ODU connectors.
    Figure 7. Base cover bracket
    1Bracket
    2Screws
  13. Remove the base cover bracket.
  14. Remove the patient alert tube from the P3 ODU connector.
    Figure 8. Patient alert ODU connection
  15. Remove the four screws securing the P2 and P4 ODU connectors to the ODU plate (two screws per connector).
    Figure 9. P2 and P4 ODU screws
  16. Cut the required cable ties securing the cables to the table cable brackets.
  17. Remove the two screws securing the right-hand lower cable track to the bottom of the tabletop.
    Figure 10. Right-hand lower track upper screws
    1Cable track
    2Screw
  18. Remove the two screws securing the right-hand lower cable track to the slider plate.
    Figure 11. Right-hand lower track lower screws
    1Screw
    2Cable track
    3Slider
  19. Remove the two screws securing the right-hand cable protection plate to the tabletop.
    Figure 12. Right-hand upper cable track protection plate
    1Screw
    2Protection plate
  20. Remove the two screws securing the right-hand upper cable track to the top of the tabletop.
    Figure 13. Right-hand upper track screws
  21. Slowly route the cable assembly up through the tabletop opening.
  22. If not previously disconnected, disconnect the patient alert and respiratory tubes from the pneumatic connection bracket.
    Important: The white plastic pneumatic connectors are fragile. Remove the bracket from the cover before disconnecting the tubes.
  23. Remove the cable assembly from the table.