Removing The T640 Standard Or Quiet Rear Fan Tray; Figure 73: Removing An Scg - Juniper T640 Hardware Manual

Removing the T640 Standard or Quiet Rear Fan Tray

Copyright © 2017, Juniper Networks, Inc.
Loosen the captive screws on the edges of the SCG faceplate.
3.
Grasp the SCG by the handle on the faceplate, and slide it out of the chassis.
4.
Place the SCG on the antistatic mat.
5.
Repeat the procedure for the second SCG.
6.

Figure 73: Removing an SCG

WARNING: Use this procedure only for routers that are powered off.
The rear fan tray is mounted vertically on the right side of the rear of the chassis. Each
standard or quiet rear fan tray weighs about 10 lb (4.5 kg).
To remove the rear fan tray (see
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Loosen the captive screws on the top and bottom of the fan tray faceplate, using a
2.
Phillips (+) screwdriver, number 2.
Grasp the handles and pull the fan tray out of the chassis.
3.
Chapter 19: Installing the T640 Router Without a Mechanical Lift
Figure 74 on page 186):
185