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Replacing the Integrated Control Engine (ICE) fan assembly
Removal and installation instructions for replacing the Integrated Control Engine (ICE) fan assembly in the Integrated System Cabinet (ISC).

Replacements
- System
  - Coolant draining
  - Hoist Service Kit and Lifting Accessories
  - Power, Gradient, and RF (PGR) Cabinet
    - Cleaning or replacing the body coil blower air flow filter
      Clean and/or replace the body coil blower air flow filter.
    - Auxiliary Board Replacement
    - CAM chassis replacement
    - Dual Drive RF Amplifier Replacement
    - Replacing the Integrated Control Engine (ICE)
      Removal and installation instructions for replacing the Integrated Control Engine (ICE) in the Integrated System Cabinet (ISC).
    - Replacing the Integrated Control Engine (ICE) fan assembly
      Removal and installation instructions for replacing the Integrated Control Engine (ICE) fan assembly in the Integrated System Cabinet (ISC).
      - 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.
      - Removing the Integrated Control Engine (ICE) fan assembly
        Removing the Integrated Control Engine (ICE) fan assembly from the System Cabinet.
      - Installing the Integrated Control Engine (ICE) fan assembly
        Install the Integrated Control Engine (ICE) fan assembly in the System Cabinet.
      - Starting up the host computer
        How to start the host computer.
      - Finalizing the Integrated Control Engine (ICE) fan assembly replacement
        This procedure finalizes the Integrated Control Engine (ICE) fan assembly replacement.
      - 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 48V Integrated Control Engine (ICE) DC Power Supply (DCPS)
      Removes the ICE DCPS and installs a replacement ICE DCPS into the Power Gradient RF (PGR) cabinet.
    - ICN Conversion Manual
    - ICN Hard Drive Replacement
    - ICN Hard Drive/SSD Replacement (Dell R620, R630, and R640)
    - ICN On/Off procedure for Sun 4100, 4170, and Dell R620
    - ICN Power Supply Replacement (Dell R620, R630, and R640)
    - ICN Replacement (Dell R620, Dell R630, Sun 4100, 4170, or 4170 M2)
    - Replacing the ICN
      Remove and install the Image Compute Node (ICN).
    - KASC assembly replacement
    - KASC Boards Replacement
    - KASC Fan Replacement
    - Leak Sensor Strip Replacement
    - Ethernet Switch Replacement
    - PDU/PGR Cabinet Replacement
    - Power Equipment Monitor (PEM) Replacement
    - Power Strip Replacement
    - RF Body or Head Transmit Cable Replacement
    - Terminal Server Replacement
    - eXtreme Gradient Amplifier Replacement
    - XGD Cronus Chassis Replacements
    - XGD Fan Box Assembly Replacement
    - eXtreme Gradient Power Supply Replacement
    - Power Distribution Unit (PDU)
  - Penetration (PEN) Cabinet
  - Heat Exchange Cabinet
  - Global Operator Console (GOC)
- Gradient
- RF
- Coils
- Magnet Enclosure
- Patient Table
- Spectroscopy

Discovery MR750 3.0T System Service Methods
5690009-2EN Revision 4
Object ID: 00000018WIA306A0030GYZ
Topic ID: id_13106438 Version: 4.1
Date: Jul 13, 2021 7:09:35 PM

Replacing the Integrated Control Engine (ICE) fan assembly

Prerequisites

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


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


Tools and test equipment
Item	Quantity	Part number	Manufacturer
Nonmagnetic Titanium Service Tool Kit, Small Set	1 Kit	5113258	-
Nonmagnetic Titanium Service Tool Kit, Large Set	1 Kit	5112581	-


Replacement parts
Item	Quantity	Part number	Manufacturer
ICE Fan Assembly	2	Refer to FRU Manual	-

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).

Note: The ICE unit can be withdrawn with a slide rail.