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Replacements
Magnet Enclosure and Outer Electronics
Replacing the rear endbell
Removes the rear endbell and installs a replacement rear endbell.
Removing the rear endbell
Removes the rear endbell from the magnet enclosure.

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.
    - Removing the rear endbell
      Removes the rear endbell from the magnet enclosure.
      - 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 magnet rear trim ring
        Removes the rear trim ring from the rear endbell. The trim ring covers the bolts securing the magnet rear enclosures.
      - Removing the magnet rear cable cover
        Removes the rear cable cover from the magnet enclosure.
      - 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 rear endbell
        Removes the rear endbell from the magnet enclosure.
    - Installing the rear endbell
      Installs the rear endbell onto the magnet.
  - 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.
  - 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: 00000018WIA30672110GYZ
Topic ID: id_2003517 Version: 7.5
Date: Jul 7, 2021 3:51:57 PM

Removing the rear endbell

Prerequisites


Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	-	1 hour and 5 minutes	-


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


Safety
Before working in any GE Healthcare MR suite or performing any GE Healthcare service procedure, you must: Have read and understood all hazard conditions and safety requirements in the latest revision of the GE Healthcare MR Service Safety Manual (5452735). Have successfully completed all relevant GE Healthcare Environmental Health and Safety (EHS) courses (or for non-GE employees, equivalent workplace training courses). Comply with all site-specific training and workplace safety requirements. If you have any safety concerns at any time, do not begin work or immediately stop work and move to a safe location. Immediately contact your supervisor or site safety officer for instructions on how to proceed.

About this task

Do the following tasks to complete removal of the rear endbell:

Applying LOTO - ISC
Removing the magnet rear trim ring
Removing the magnet rear cable cover
Removing the rear bridge cover
Removing the rear bridge inner cover
Removing the rear endbell