Reinstalling The Scbs After Installing The Mx240 Router With A Lift; Figure 55: Reinstalling A Fan Tray - Juniper MX240 Hardware Manual

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Tighten the captive screws on the fan tray faceplate to secure it in the chassis.
3.

Figure 55: Reinstalling a Fan Tray

Reinstalling the SCBs After Installing the MX240 Router with a Lift

To reinstall an SCB (see Figure 56 on page
CAUTION: Before removing or replacing an SCB, ensure that the ejector
handles are stored vertically and pressed toward the center of the SCB.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Carefully align the sides of the SCB with the guides inside the chassis.
2.
Slide the SCB into the chassis until you feel resistance, carefully ensuring that it is
3.
correctly aligned.
Grasp both ejector handles and rotate them simultaneously clockwise until the SCB
4.
is fully seated.
Place the ejector handles in their proper position, horizontally and toward the center
5.
of the board. To avoid blocking the visibility of the LEDs position the ejectors over the
PARK icon.
Chapter 3: Initial Installation and Configuration
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