Datasheet

Replacing the M7i Fan Tray
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Removing the M7i Fan Tray on page 122
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Installing the M7i Fan Tray on page 123
Removing the M7i Fan Tray
The fan tray is located on the back of the chassis. It weighs approximately 1.6 lb (0.7 kg).
To remove the fan tray (see Figure 57 on page 122):
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to one of the ESD points on the chassis. Verify that the router is attached to
a proper earth ground.
2. Loosen the thumbscrew securing the fan tray, using a Phillips screwdriver if necessary.
3. Grasp the handle on the fan tray and pull firmly to slide it halfway out of the chassis.
CAUTION: To avoid injury, do not touch the fans with your fingers or any
toolasyouslide the fantray out of the chassis—they might stillbe spinning.
4. When the fans are no longer spinning, slide the fan tray completely out of the chassis.
Figure 57: Removing the Fan Tray
Copyright © 2012, Juniper Networks, Inc.122
M7i Multiservice Edge Router Hardware Guide