Cisco 600W User Manual download pdf (Page 9)

600W AC-Input Power Supply and Fan Tray Replacement Instructions 9

Replacing Components

Removing and Replacing the Chassis Cover Panel

The two captive slotted screws are the only fasteners on the cover panel. (See Figure 5.) Five shallow

tabs at the bottom edge of the panel ﬁt into slots at the base of the chassis opening. The tabs act as a

pivot point for pulling the top of the panel away from the chassis opening, and as guides to align the

panel when replacing it.

Figure 5 Removing and Replacing the Chassis Cover Panel

Warning

Before accessing the chassis interior, turn off the system power and unplug the power

cable. When the power is on, high current is exposed on the fan tray and backplane.

Follow these steps to remove and replace the chassis cover panel:

Step 1 On the front of the cover panel, use a 3/16-inch ﬂat-blade screwdriver to loosen the two

captive screws. (See Figure 5.)

Step 2 Pull the top of the panel out about three inches, then grasp the sides of the panel and pull it

up and away from the chassis.

Step 3 To replace the cover panel, hold the sides of the panel with both hands and tilt the top of

the panel back slightly (toward you).

Step 4 Slide the guide tabs into the slots in the bottom edge of the chassis. (See Figure 5.)

Step 5 Using the guides as a pivot point, push the top half of the panel back toward the chassis

opening until the panel is ﬂush with the edges of the chassis.

Step 6 Hold the top front of the panel in place, if necessary, while you tighten the two captive

slotted screws with a 3/16-inch, ﬂat-blade screwdriver.

This completes the chassis cover panel removal and replacement procedure.

H2920

Captive screws

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

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Cisco 600W User Manual Page 9