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Replacements
Magnet Enclosure and Outer Electronics
Replacing the bore light
Removes a bore light from the body coil and installs a replacement bore light.
Installing the bore light
Installs a bore light onto the body coil.

Replacements
- Operator Workspace
- ISC (Integrated System Cabinet)
- ICC (Integrated Cooling Cabinet)
- Magnet Enclosure and Outer Electronics
  - Removing and installing the magnet enclosure covers
    Provides removal and installation instruction for all magnet enclosure covers.
  - Replacing the front endbell
    Removes the front endbell and installs a replacement endbell.
  - Replacing the rear endbell
    Removes the rear endbell and installs a replacement rear endbell.
  - Replacing the 1-piece bridge
    Replace the 1-piece bridge assembly.
  - Replacing the Dual Drive Transmit Receive Switch (DTRSW) and two-channel preamp
    Removal and installation instructions for replacing the Dual Drive Transmit Receive Switch (DTRSW) and two-channel preamp in the magnet outer electronics.
  - Replacing the DS Digitized Per Pin Remote Receiver (DPP RRx)
    Removal and installation instructions for replacing the DS Digitized Per Pin Remote Receiver (DPP RRx) in the magnet outer electronics.
  - Replacing the DS Digitized Per Pin (DPP) Receiver Distributor (Rx Dist)
    Removal and installation instructions for replacing the DS Digitized Per Pin (DPP) Receiver Distributor (Rx Dist) in the magnet outer electronics.
  - Replacing the table interface assembly
    Removal and installation instructions for replacing the table interface (TIF) assembly in the magnet outer electronics.
  - Replacing the Operator Control Panel (OCP) and the In-Room Display (IRD)
  - Replacing the IRD fiber optic cables
    The procedure for replacing the IRD fiber optic USB and DP cables.
  - Replacing the speaker
    Removes the speaker in the rear endbell and installs a replacement speaker.
  - Replacing the laser bracket assembly
    This procedure provides steps to replace the laser bracket assembly.
  - Replacing the bore light
    Removes a bore light from the body coil and installs a replacement bore light.
    - Removing the rear bridge cover
      Removes the table rear bridge cover from the magnet enclosure.
    - Removing the rear bridge inner cover
      Removes the rear bridge inner cover from the magnet enclosure.
    - Removing the 1-piece bridge
      Remove the 1-piece bridge assembly.
    - Electrical Safety
      You must follow all recommended safety procedures when servicing and working near energy sources.
    - Shutting down the host computer
      Shutting down the host computer shuts down the system safely and turns off the power to the host computer.
    - Applying LOTO - ISC
      Apply LOTO to the Power Distribution Unit (PDU) when servicing this item in the Integrated System Cabinet (ISC). Applying LOTO ensures a safe environment when working on this part.
    - Removing the bore light
      Removes a bore light assembly from the body coil.
    - Installing the bore light
      Installs a bore light onto the body coil.
    - Removing LOTO - ISC
      Removing locks and tags, and restoring power to the ISC (Integrated System Cabinet) Power Distribution Unit (PDU).
    - Starting up the host computer
      How to start the host computer.
    - Installing the 1-piece bridge
      Install the 1-piece bridge assembly.
    - Installing the rear bridge inner cover
      Installs the rear bridge inner cover onto the magnet enclosure.
    - Installing the rear bridge cover
      Installs the table rear bridge cover onto the magnet enclosure.
    - Doing a check scan
      A check scan is done at the conclusion of many procedures. This functional check assures the unit is in good clinical working order.
  - Replacing the RF body coil air flow sensor
    Replace the RF body coil air flow sensor.
  - Replacing the heat exchanger temperature sensor
    Follow this procedure to replace the heat exchanger temperature sensor.
  - Replacing the GE Illuminated Logo
    Removes the illuminated GE logo from the magnet front cover and installs a replacement logo.
  - Replacing the ambient temperature sensor
    Replacing an ambient temperature sensor is a complex process, which includes tasks to fulfill the required conditions as well as tasks for finalizing the installation after replacing the sensor.
  - Replacing the 1-pc bridge trim
  - Body Coil Gap Foam Replacement
  - Body Coil Mount and Base Plate (Front) Replacement
  - Body Coil Mount and Base Plate (Rear) Replacement
- Coil Replacement
- Patient Table
- MDP
- Pen Panel

SIGNA™ Hero 3.0T Service Methods
5852800-8EN Revision 1.0
Object ID: 00000018WIA30C23640GYZ
Topic ID: id_2014305 Version: 2.4
Date: Aug 12, 2021 10:30:12 PM

Installing the bore light

Prerequisites


Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	-	10 minutes	-


Tools and test equipment
Item	Quantity	Part number	Manufacturer
Nonmagnetic Titanium Service Tool Kit, Small Set	1	5113258	-


Consumables
Item	Quantity	Part number	Manufacturer
3.6 inch Cable Tie	2	46-208758P1	-


Replacement parts
Item	Quantity	Part number	Manufacturer
Bore Light Assembly FRU	1	5561809	-

Procedure

Install the bore light into the body coil.

Note: Make sure all of the LEDs on the bore light are in contact with the illumination panel.

Figure 1. Bore light
1 Bore light
2 Illumination panel
Install the two screws securing the bore light to the body coil.

Figure 2. Bore light screws
Connect the bore light electrical connector.

Figure 3. Bore light electrical
1 Cable tie
2 Electrical connector
Install two cable ties securing the electrical cable to the body coil.

Finalization

After removing LOTO and starting up the host computer, make sure the bore light operates normally.