CHAPTER 22
Replacing Cooling System Components
•
Replacing the M7i Fan Tray on page 137
Replacing the M7i Fan Tray
•
Removing the M7i Fan Tray on page 137
•
Installing the M7i Fan Tray on page 138
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 39 on page 138):
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 fan trayout of the chassis—theymight still be spinning.
4. When the fans are no longer spinning, slide the fan tray completely out of the chassis.
137Copyright © 2019, Juniper Networks, Inc.
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