H3C Technologies H3C S5820V2 Series Switches - Manual (Page 9)

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Figure 3 Installing a fan tray
(1) Slide the fan tray into the slot (2) Fasten the captive screws
CAUTION:
•
To prevent damage to the fan tray or the connector on the backplane, insert the fan tray gently. If you
encounter a hard resistance while inserting the fan tray, pull out the fan tray and then insert it again.
• If the captive screws cannot be tightly fixed, check the installation of the fan tray.
Removing a fan tray
CAUTION:
•
When you replace a fan tray with the device running, pay attention to safety with electricity.
• Do not touch rotating fans when replacing a fan tray with the device running. To remove the fan tray,
wait until the fans stop rotating.
• Do not touch the fans even if they stop rotating. Otherwise, you might break the dynamic balance of the
fans, resulting in greater operation noise.
• After you remove a fan tray with the device running, install a new fan tray within two minutes to ensure
proper ventilation of the device.
To remove a fan tray:
1. Wear an ESD-preventive wrist strap and make sure it makes good skin contact and is properly
grounded.
2. Face the fan tray to be removed from the device. Loosen the captive screws on the fan tray with a
Philips screwdriver until the captive screws fall off the device, as shown in callout 1 in
Figure 4 .
3. Grasping the handle of the fan tray with one hand, pull the fan tray part way out the slot.
Supporting the fan tray bottom with the other hand, pull the fan tray slowly along the guide rails
out of the slot, as shown in callout 2 in
Figure 4 .
4. Put the removed fan tray on an anti-static mat or anti-static bag.