Replacing A Fan Tray; Replacing A Fan Tray For An A8805/A8812 - HP A8800 Installation Manual

Figure 36 Replacing a subcard
(A) Subcard to be removed

Replacing a fan tray

CAUTION:
Fan trays are hot-swappable. If you replace a fan tray with the router running, pull out the fan tray
after it stops rotating and keep your hands away from the spinning fan blades. To avoid injury, do not
touch any wires, terminals, or parts with a high-voltage hazard sign.

Replacing a fan tray for an A8805/A8812

The fan trays for the A8805/A8812 routers are installed vertically, and the replacement procedures
are the same.
To replace a fan tray for an A8805/A8812:
Put on an ESD-preventive wrist strap and loosen the captive screws on the fan tray.
1.
Holding the fan tray handle with one hand and supporting the fan tray bottom with the other
2.
hand, pull out the fan tray along the slide rails. Put the removed fan tray on an antistatic mat or
into its original shipping materials. To ensure normal operation of the router, do not keep the
router working without a fan tray for any length of time.
(B) Subcard to be installed
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