Removing the Fan Tray Before Installing the MX240 Router with a Lift
To remove the fan tray (see Figure 52 on page 174 ):
1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to an approved site ESD grounding point. See the instructions for your site.
2. Loosen the captive screws on the fan tray faceplate.
3. Grasp the fan tray handle and pull it out approximately 1 to 3 inches.
4. Press the latch located on the inside of the fan tray to release it from the chassis.
5. Place one hand under the fan tray to support it and pull the fan tray completely out
of the chassis.
Figure 52: Removing the Fan Tray
Removing the SCBs Before Installing the MX240 Router with a Lift
To remove the SCBs (see Figure 53 on page 175):
1. Place an electrostatic bag or antistatic mat on a flat, stable surface.
2. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect
the strap to an approved site ESD grounding point. See the instructions for your site.
3. Rotate the ejector handles simultaneously counterclockwise to unseat the SCB.
Copyright © 2017, Juniper Networks, Inc.174
MX240 3D Universal Edge Router Hardware Guide