Replacement
- Operator WorkSpace Replacement
  - Dell T5810 Computer Replacement
  - Dell T5810 Lower Level FRU Replacement
  - HUB Replacement
  - PCI AA Replacement
  - GOC Dust Filter Clean/Replacement Procedure
  - Temperature & Humidity Sensor Replacement
  - GOC PDU Replacement
  - Replacing/Installing the SCIM, Keyboard and Mouse
  - 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.
  - Starting up the host computer
    How to start the host computer.
  - 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.
  - LCD Monitor Replace with HP HC240
  - Replacing the host computer - Dell T5820
    Removal and installation instructions to replace the host computer when upgrading the system.
  - Replacing the GOC hard drive
    Removal and installation instructions for replacing the solid state drive (SSD) on the host computer.
  - Replacing the DVD drive on the host computer
    Removal and installation instructions for replacing the DVD drive on the host computer.
  - Replacing the CMOS battery - Dell T5820
    Removal and installation instructions for replacing the CMOS battery in the host computer.
  - Clean Dust Filter / Dust Filter Replacement
  - Replacing the Global Operator Cabinet Audio Assembly (GOCAA)
    Removal and installation instructions for replacing the Global Operator Cabinet Audio Assembly (GOCAA).
  - Replacing the Global Operator Cabinet (GOC) Power Distribution Unit (PDU)
    Removal and installation instructions for replacing the Power Distribution Unit (PDU) in the Global Operator Cabinet (GOC).
  - Replacing the CMOS battery - Dell T5820
    Removal and installation instructions for replacing the CMOS battery in the host computer.
    - Electrical Safety
      You must follow all recommended safety procedures when servicing and working near energy sources.
    - Preparing the workstation for a computer replacement
      Prepare the workstation so all data is saved prior to shutting down and replacing the host computer in the GOC.
    - Shutting down the host computer
      Shutting down the host computer shuts down the system safely and turns off the power to the host computer.
    - Lockout / Tagout for the GOC
    - Removing the CMOS battery - Dell T5820
      Remove the CMOS battery from the host computer.
    - Installing the CMOS battery - Dell T5820
    - Setting up the BIOS - Dell T5810/T5820
    - Starting up the host computer
      How to start the host computer.
    - Finalizing CMOS battery replacement - Dell T5820
      Finalize the CMOS battery replacement.
- System Cabinet Replacement
- Magnet Enclosure and Outer Electronics
- Rear Pedestal Replacement
- LPCA Replacement
- Coil Replacements
- Lite Patient Transport Replacement
- Low Height Fixed Table
- Coil Blower and Chiller Assemblies

SIGNA MR355 / SIGNA MR360
Service Manual
5856356-3EN Revision 5.0
Basic Service Documentation. Copyright General Electric Company.
Object ID: 00000018WIA308D4840GYZ
Topic ID: id_2014923 Version: 4.0
Date: Dec 6, 2019 3:19:21 AM

Replacing the CMOS battery - Dell T5820

Prerequisites

The following tables represent a comprehensive roll-up of the tools, test equipment, consumables, and replacement parts you need to complete all possible tasks in this procedure.


Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	-	60 minutes	10 minutes


Tools and test equipment
Item	Quantity	Part number	Manufacturer
Screwdriver	1	-	-
Nonmagnetic Titanium Service Tool Kit, Small Set (can be used on magnets with magnetic fields > 1.5T)	1	5113258	-
ESD Mat	1	-	-
ESD Strap	1	-	-
DQA III Phantom	1	2321556	-
DQA Phantom Positioner	1	5554497	-


Consumables
Item	Quantity	Part number	Manufacturer
GE Equipment Maintenance Sticker	1	5661793	-


Replacement parts
Item	Quantity	Part number	Manufacturer
Dust Filter	1 (if needed)	5192248-5	-
Adhesive-Backed Velcro, 2 x 4 inches	2 (if needed)	46-317475P2	-
Host PC CMOS Battery, 3V, CR2032	1	5129534-3	-


Required conditions
Use an antistatic wrist strap and mat while performing this procedure to prevent electrostatic discharge (ESD). Access to both the front and rear of the operator console is required. Move the console away from walls and remove obstacles in the room.


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.