Replacing The T640 Standard Lower Front Fan Tray; Figure 129: Installing The Rear Air Filter - Juniper T640 Hardware Manual

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Replacing the T640 Standard Lower Front Fan Tray

286
Replace the air filter cover.
7.
Firmly tighten the captive screws at the top, center, and bottom of the filter cover to
8.
secure it to the chassis, using a Phillips (+) screwdriver, number 2.

Figure 129: Installing the Rear Air Filter

T640 Preventing Electrostatic Discharge Damage on page 506
T640 Cooling System Description on page 31
Maintaining the T640 Air Filters on page 444
Troubleshooting the T640 Cooling System on page 469
The lower front fan tray is located below the front air filter. Each standard front fan tray
weighs about 18.6 lb (8.4 kg). The fan trays are hot-insertable and hot-removable. The
standard upper and lower fan trays are interchangeable with each other.
Removing the T640 Standard Lower Front Fan Tray on page 287
1.
Installing the T640 Standard Lower Front Fan Tray on page 287
2.
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