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Replacing Cooling System Components

Replacing the Fan Tray

The services gateway has one fan tray that installs vertically in the rear of the chassis. The fan tray contains six fans. The fan tray is hot-removable and hot-insertable.

The fan tray is located in the rear of the chassis on the right side. The fan tray weighs about 6.8 lb (3.08 kg).

Note: To prevent overheating, install the replacement fan tray immediately after removing the existing fan tray.

To replace the fan tray, use the following procedures:

Removing the Fan Tray

To remove the fan tray (see Figure 44):

  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. For more information about ESD, see Preventing Electrostatic Discharge Damage.
  2. Loosen the captive screws on the fan tray faceplate.
  3. Grasp the fan tray handle and pull it out approximately 1 to 3 inches.

    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. Press the latch located on the inside of the fan tray to release it from the chassis.
  5. Place one hand under the fan tray to support it and pull the fan tray completely out of the chassis.

Figure 44: Removing the Fan Tray

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Installing the Fan Tray

To install the fan tray (see Figure 45):

  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. For more information about ESD, see Preventing Electrostatic Discharge Damage.
  2. Grasp the fan tray handle and insert it straight into the chassis. Note the correct orientation by the this side up label on the top surface of the fan tray.
  3. Tighten the captive screws on the fan tray faceplate to secure it in the chassis.

Figure 45: Installing the Fan Tray

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Replacing the Air Filter

The services gateway has one air filter that installs vertically in the rear of the chassis. The air filter is hot-insertable and hot-removable.

The air filter is located in the rear of the chassis on the left side. The air filter weighs approximately 1 lb (0.5 kg).

To replace an air filter, use the following procedures:

Removing an Air Filter

Caution: Do not run the services gateway for more than a few minutes without the air filter in place.

Caution: Always keep the air filter in place while the device is operating, except during replacement. Because the fans are very powerful, they could pull small bits of wire or other materials into the device through the unfiltered air intake. This could damage the services gateway components.

To remove the air filter (see Figure 46):

  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. For more information about ESD, see Preventing Electrostatic Discharge Damage.
  2. Loosen the captive screws on the air filter cover.
  3. Remove the air filter cover.
  4. Slide the air filter out of the chassis.

Figure 46: Removing the Air Filter

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Installing the Air Filter

To install the air filter (see Figure 47):

  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. For more information about ESD, see Preventing Electrostatic Discharge Damage.
  2. Locate the up arrow and ensure that the air filter is right side up.
  3. Slide the air filter straight into the chassis until it stops.
  4. Align the captive screws of the air filter cover with the mounting holes on the chassis.
  5. Tighten the captive screws on the air filter cover.

Figure 47: Installing the Air Filter

Image g004228.gif


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