Replacing A Fan Tray; Table 95 Fan Tray Replacement Features; Figure 67 Replacing The Fan Tray (7750 Sr-A4) - Alcatel-Lucent 7750 SR-a4 Installation Manual

Replacing a Fan Tray

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7750 SR-a4 and SR-a8 Installation Guide
Danger: Do not put your fingers or any tool in the fan tray if the fans are still spinning. Wait
until the fans stop spinning (about 2 s) before completely removing the fan tray from its slot.
Step 4. When the fans stop spinning, pull the fan tray completely out of the slot.
The following procedure assumes that you have removed the fan tray, as described in
Removing a Fan Tray.
Figure 67 shows how to replace the fan tray in the 7750 SR-a4 chassis.
the features. The same method applies to the fan tray in the 7750 SR-a8 chassis.
Figure 67: Replacing the Fan Tray (7750 SR-a4)
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Key
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2
Required tools:
Table 95: Fan Tray Replacement Features
Description
Chassis slot guide for fan tray
Captive screws
Appendix C: Field-Replaceable Units
Table 95 describes
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