Installing The T4000 Lower Front Fan Tray; Figure 104: Removing The T4000 Lower Front Fan Tray - Juniper T4000 Hardware Manual

Installing the T4000 Lower Front Fan Tray

Copyright © 2013, Juniper Networks, Inc.
Simultaneously pull the two releases on the front cable management system. Lift it
3.
up and outward to lock it in place to access the lower fan tray.
Rearrange the PIC cables in the front cable management system. For more information
4.
about proper cable arrangement, see
Loosen the captive screws on the corners of the fan tray faceplate.
5.
Grasp the handles, and pull the fan tray halfway out of the chassis.
6.
WARNING: To avoid injury, keep tools and your fingers away from the fans
as you slide the fan tray out of the chassis. The fans might still be spinning.
When the fans stop spinning, place one hand under the fan tray to support it, and pull
7.
the fan tray completely out of the chassis.

Figure 104: Removing the T4000 Lower Front Fan Tray

To install a lower front fan tray:
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.
Grasp the fan tray by its handles, and insert it straight into the chassis.
2.
Tighten the captive screws on each side of the fan tray faceplate to secure it in the
3.
chassis.
Unlock the front cable management system and lower it to the fully lowered position.
4.
Rearrange the PIC cables in the front cable management system. For more information
5.
about proper cable arrangement, see
Chapter 19: Replacing T4000 Router Hardware Components
"Maintaining T4000 PICs" on page
"Maintaining T4000 PICs" on page
184.
184.
237