Juniper T320 Replacing Manual page 3

Figure 2: Installing a Front T320 Fan Tray
Removing a T320 Rear Fan Tray
The rear fan tray is mounted vertically on the right side of the rear of the chassis.
The rear fan tray contains five fans. The fan tray weighs about 7.3 lb (3.3 kg).
CAUTION: To maintain proper cooling, do not operate the router with the rear fan
tray removed for more than one minute.
To remove the rear fan tray (see Figure 3):
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.
Loosen the captive screws on the top and bottom of the fan tray faceplate, using
2.
a Phillips (+) screwdriver, number 2.
Grasp the handles and pull the fan tray halfway out of the chassis.
3.
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, grasp the handles and pull the fan tray completely
4.
out of the chassis.
Removing a T320 Rear Fan Tray
3