Removing A Fan Tray; Figure 34: Removing A Cb Before Installing The M120 Router - Juniper M120 Hardware Manual

Removing a Fan Tray

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Grasp the ejector handles and slide the CB about halfway out of the chassis.
5.
Place one hand underneath the CB to support it and slide it completely out of the
6.
chassis. Place it on the antistatic mat.
CAUTION: Do not stack hardware components on one another after you
remove them. Place each component on an antistatic mat resting on a
stable, flat surface.
Repeat the procedure for the second CB.
7.

Figure 34: Removing a CB Before Installing the M120 Router

In the front of the chassis, the upper fan tray is located above the FPC card cage, and the
lower fan tray is located below the FPC card cage. Each fan tray weighs about 7 lb (3.2 kg).
In the rear of the chassis, the upper fan tray is located above the rear card cage, and the
lower fan tray is located below the rear card cage. Each fan tray weighs about 5.3 lb (2.4
kg).
To remove any fan tray (see
illustrate the upper front fan tray and lower rear fan tray):
Chapter 18: Installing the M120 Without a Mechanical Lift
Figure 35 on page 134 and Figure 36 on page 135, which
133