Replacing A Fan Tray; Removing A Fan Tray - H3C S7508E-X Installation Manual

3. Use a Philips screwdriver to remove the captive screw on the card, as shown in callout 1 on
35.
4. Move the ejector levers outwards to separate the card from the backplane, as shown in callout 2
on Figure
5. Use one hand to slowly move the card outwards. Supporting the bottom of the card with the other
hand, pull the card out of the slot along slide rails, as shown in callout 3 on
6. Put the removed card on the antistatic mat.
7. Install a new card. For the installation procedures, see "Installing FRUs."
If no new card is to be installed, install a blank panel to ensure heat dissipation of the switch and
prevent dust from entering the switch.
Figure 35 Replacing a card
(1) Loosen the captive screw

Replacing a fan tray

CAUTION:
When replacing the fan tray, do not touch the rotating fans to avoid bodily injury.
•
To ensure normal ventilation of the switch, install a new fan tray within two minutes after removing the
•
old one.
When the fan tray fails, replace the fan tray to ensure normal operation of the switch.

Removing a fan tray

1. Prepare an antistatic mat to place the fan tray to be removed.
35.
(2) Move the ejector levers outwards
50
Figure
Figure 35.
(3) Take out the card