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HP Z620 Workstation - Removing and Replacing Front System Fan

Introduction
This document is provided to assist in removing and replacing the front system fan for the HP Z620 Workstation.
Minimum skill level
The End User requires no hardware-specific training to replace the defective part. The End user should have familiarity with system hardware and software requiring repair.
Parts required
  note:
Part numbers are subject to change.
The replacement part number will vary depending on the front system fan that is being replaced. If a part is listed as "Yes" under "Requires Return" then the defective part needs to be returned to HP. Click here for more information on returning parts to HP.
Description
Part Number
Requires Return
PCI card guide for fan housing
683766-001 (Modified)
Yes
  note:
For customers in countries/regions with RoHS legislation (e.g. EU, China, etc.) restricting the use of hazardous substances in electrical equipment. The use of the "Original" spare part is regulated by RoHS legislation. If the unit contains a part that is labeled with the "Modified" spare number, the "Modified" spare part must be ordered as the replacement part. If the unit contains a part that is labeled with the "Original" spare number, please order the "Original" spare number as the replacement part. In this case, either the "Original" or the "Modified" spare number may be shipped which will not affect performance or functionality of the unit.
Summary of instructions
To view a video demonstrating the procedure for removing the front system fan, click here to view the HP Services Media Library and then click on Remove/Replace videos. On the new window, select Front system fan from the menu on the upper left hand side of the screen.
Front system fan removal
  note:
This video was developed using a pre-production version of the workstation. The chassis and parts shown might not exactly match the current production version, but the part removal and replacement steps are the same.
  1. Review the safety considerations before performing the steps listed below by clicking on the following link:
      caution:
    Failure to comply with the precautions could result in damage to the product or loss of data.
  2. Push the retaining tabs back at the top of the PCI card guide and partially pull the fan out of the guide.
  3. Pull the retaining tabs back at the bottom of the PCI card guide and remove the fan, noting the cable orientation for reinstallation.
Front system fan replacement
  1. Align the holes at the top of the fan with the guide pins in the card guide and push until the top of the fan snaps into place.
  2. Press the bottom of the fan until it snaps into place.
      note:
    The cable should be routed behind the retaining tab at the bottom of the card guide.
  3.   note:
    Please refer to the product-specific maintenance and service guide at for any future technical information and/or installation guidelines for this component. Click here to refer the product-specific maintenance and service guide.

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