To Remove The Fan - Nortel BCM50 Installation And Maintenance Manual

196 Chapter 24 Replacing an internal component
Figure 74 Hard disk and bracket screws
5
Lift the hard disk off of the hard disk bracket and set it on a flat, clean, static-free surface.
6
Continue to the next step,

To remove the fan

1 Attach one end of a grounding strap to your wrist and the other end to a grounded metal
surface.
2
Ensure the main unit case is open. If it is not, refer to
192.
3
Remove the hard disk to access the fan cable (see
remove the hard disk" on page
N0027152 01 N0027152 01
Remove these screws
"Inserting the new component" on page
195.
Remove these screws
198.
"Opening the main unit case" on page
Figure 75 on page 197). Refer to "To