Installing The T4000 Upper Front Fan Tray; Replacing A T4000 Rear Fan Tray; Figure 105: Installing An Upper Front Fan Tray - Juniper T4000 Hardware Manual

Installing the T4000 Upper Front Fan Tray

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Replacing a T4000 Rear Fan Tray

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To install an upper front fan tray (see
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.

Figure 105: Installing an Upper Front Fan Tray

T Ser ies
FANTR AY-T40 00
T4000 Cooling System Description on page 25
Troubleshooting the T4000 Cooling System on page 351
T4000 Clearance Requirements for Airflow and Hardware Maintenance on page 91
Maintaining the T4000 Fan Trays on page 335
The rear fan tray is mounted vertically on the right side of the rear of the chassis. The rear
fan tray contains eight fans, and is not interchangeable with the front fan trays. The rear
fan tray must be used in conjunction with the front fan trays. The rear fan tray weighs
about 10 lb (4.5 kg).
Chapter 28: Replacing Cooling System Components
Figure 105 on page 269):
269