Nortel Networks BCM50 manual To remove the router card, Fan

Chapter 24 Replacing an internal component 197

Figure 75 Fan

Fan

4Remove the fan cable from the header.

5Lift the fan out of the main unit and set it on a flat, clean, static-free surface.

6Continue to the next step, “Inserting the new component” on page 198.

To remove the router card

1Attach one end of a grounding strap to your wrist and the other end to a grounded metal surface.

2Ensure the main unit case is open. If it is not, refer to “Opening the main unit case” on page 192.

3Remove the three router card retaining screws.

4Gently lift the back of the router card to disengage it from the card connector.

5Slide the router card back so the modular connectors clear the bezel.

6Lift the router card over the top of the LED pipes and place it on a flat, clean, static-free surface.

7Continue to the next step, “Inserting the new component” on page 198.

BCM50 Installation and Maintenance Guide