Nortel Networks BCM200/400 - Manual (Page 254)

254 Chapter 20 Preparing hardware for maintenance or upgrades
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Figure 116 Remove the BCM400 top cover
Installing the main unit top cover
Use this procedure to install the top of the main unit cover. This procedure assumes that
maintenance or installation activities are complete and that you are ready to start the BCM system.
To install the main unit top cover
1 Disconnect the BCM system from the AC power outlet.
2 If required, remove the main unit from the server rack.
3 Attach one end of the grounding strap to your wrist and the other end to a grounded metal
surface.
4 Set the top cover on the main unit.
5 Slide the top cover forward until the cover engages with the main unit.
6 Press the top cover down until it rests on the chassis. Refer to Figure 117 or Figure 118 .
7 Install the two top cover screws at the rear of the main unit.
Warning: Protect the hardware components against damage from electrostatic discharge.
Always wear a grounded wrist strap before you handle components. Always place the
components in a static-free container or work area.
Remove the top
cover screws
Main unit
top cover
Slide cover open
1
3
Lift cover at rear
2