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Replacing the PS filter box
Replace the PS filter box in the Integrated System Cabinet (ISC) Penetration Wall (PW).
Removing the PS filter box
Remove the PS filter box from the Integrated System Cabinet (ISC) Penetration Wall (PW).

Replacements
- Operator Workspace
- ISC (Integrated System Cabinet)
- ICC (Integrated Cooling Cabinet)
- Magnet Enclosure and Outer Electronics
- Coil Replacement
- Patient Table
- MDP
- Pen Panel
  - Replacing the Gen2 gradient filter for remote siting configuration
    Instructions to remove the Gen2 gradient filter and replace it with a Gen2 gradient filter.
  - Cold Head EMI Filter Replacement
  - Air Filter Cleaning / Replacement
  - Replacing the PS filter box
    Replace the PS filter box in the Integrated System Cabinet (ISC) Penetration Wall (PW).
    - 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 PS filter box
      Remove the PS filter box from the Integrated System Cabinet (ISC) Penetration Wall (PW).
    - Installing the PS filter box
      Install the PS filter box in the Integrated System Cabinet (ISC) Penetration Wall (PW).
    - 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.
    - 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.

SIGNA™ Hero 3.0T Service Methods
5852800-8EN Revision 1.0
Object ID: 00000018WIA304E3840GYZ
Topic ID: id_2014830 Version: 1.15
Date: Oct 26, 2021 10:31:01 PM

Removing the PS filter box

Prerequisites


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


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

About this task

Figure 1. ISC PW PS filter box location

Procedure

On the scan room side of the Penetration Panel, disconnect the PS filter box cables.

Figure 2. Scan room PS filter box cables
1 PS filter box
2 PS filter box cables
On the equipment room side, disconnect each of the PS filter box cables.

Figure 3. Equipment room PS filter box cables

1 PS filter box
2 PS filter box cables
On the equipment room side, remove the 20 screws securing the PS filter box to the Penetration Panel.

Figure 4. Screw locations
Remove the PS filter box.