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Replacing a T4000 Upper Front Fan Tray

 

The upper front fan tray is located above the FPC card cage. Each front fan tray weighs about 20.4 lb (9.3 kg). The fan trays are hot-insertable and hot-removable. The upper and lower fan trays are interchangeable with each other.

Note

Ensure that at any given time only one front fan tray is replaced. Do NOT replace both the front lower and upper fans simultaneously.

  1. Removing the T4000 Upper Front Fan Tray

  2. Installing the T4000 Upper Front Fan Tray

Removing the T4000 Upper Front Fan Tray

To remove an upper front fan tray (see Figure 1):

  1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  2. Loosen the captive screws on the corners of the fan tray faceplate.
  3. Grasp the handles, and pull the fan tray halfway out of the chassis.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.

  4. When the fans stop spinning, place one hand under the fan tray to support it, and pull the fan tray completely out of the chassis.
Figure 1: Removing an Upper Front Fan Tray
Removing an
Upper Front Fan Tray

See also

Installing the T4000 Upper Front Fan Tray

To install an upper front fan tray (see Figure 2):

  1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  2. Grasp the fan tray by its handles, and insert it straight into the chassis.
  3. Tighten the captive screws on each side of the fan tray faceplate to secure it in the chassis.
Figure 2: Installing an Upper Front Fan Tray
Installing an
Upper Front Fan Tray

See also