Replacement
- Operator WorkSpace Replacement
- System Cabinet Replacement
  - ICE
  - PS for each module
  - XFA and XFD-PS Replacement
  - PDU
  - Leak Sensor
    - Leagcy leak sensor
    - New leak sensor
      - Replacing the leak sensors
        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 both the gradient and system PDU breakers on the MDP when servicing either of these items in the ISC. Applying LOTO ensures a safe environment when working on these parts.
        Replacing the leak sensors
        Removing LOTO - ISC
        Remove LOTO from the gradient and system PDU breakers on the MDP before restoring power to the ISC.
        Starting up the host computer
        How to start the host computer.
        Doing the leak sensor functional check
        Follow this procedure to perform the leak sensor functional check.
        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.
  - Cabinet Rear Panel
  - Water Manifold
  - HUB Replacement in System Cabinet
  - CSA
  - GP4
  - Driver Module Lite
  - Cabinet Monitor
  - Exciter
  - PHPS Lite 2
  - Top FAN Assy
  - ICN (Dell R620/R630)
  - ICN (Dell R640)
- 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: 00000018WIA30724630GYZ
Topic ID: id_2011318 Version: 2.0
Date: Feb 24, 2021 2:16:31 AM

Replacing the leak sensors

Prerequisites


Personnel requirements
Required persons	Preliminary requirements	Procedure	Finalization
1	-	10 minutes	15 minutes


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


Replacement parts
Item	Quantity	Part number	Manufacturer
Leak sensor1	1	5985003	-
Leak sensor2	1	5985004	-


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.

DANGER

Electrocution hazard

Hazardous voltage is present when the cabinet is energized.

Before beginning any work, perform LOTO. See the MR Service Safety Manual (5452735).