Juniper T320 Replacing Manual page 2

2
Installing a T320 Front Fan Tray
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
5.
and pull the fan tray completely out of the chassis.
Figure 1: Removing a Front T320 Fan Tray
Installing a T320 Front Fan Tray
To install a front fan tray (see Figure 2):
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and
1.
connect the strap to one of the ESD points on the chassis. For more information
about ESD, see Preventing Electrostatic Discharge Damage to an M Series, MX
Series, or T Series Router.
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
3.
the chassis.
If you are installing the lower fan tray, follow these steps:
4.
Unlock the cable management system and lower it to the fully lowered
a.
position.
Rearrange the PIC cables in the cable management system. For more
b.
information about proper cable arrangement, see Maintaining T320 PICs
and PIC Cables.