Nortel Networks BCM50 manual To remove the fan, Hard disk and bracket screws

196Chapter 24 Replacing an internal component

Figure 74 Hard disk and bracket screws

Remove these screws

Remove these screws

5Lift the hard disk off of the hard disk bracket 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 fan

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 hard disk to access the fan cable (see Figure 75 on page 197). Refer to “To remove the hard disk” on page 195.

N0027152 01