Replacing A Front Air Filter Element On A T640 Ac Or Dc Power Supply; Removing A Front Air Filter Element On A T640 Ac Or Dc Power Supply; Figure 204: Installing The Power Supply Side Air Filter - Juniper T640 Hardware Manual

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Replacing a Front Air Filter Element on a T640 AC or DC Power Supply

Slide the side air filter cover back into the power supply faceplate. The two lances

insert into the sheet metal.

Tighten the captive screw.

T640 Six-Input DC Power Supply Description on page 104

T640 Six-Input DC Power Supply LEDs on page 105

Maintaining the T640 Power Supplies on page 456

T640 Preventing Electrostatic Discharge Damage on page 506

General Safety Guidelines for Juniper Networks Devices on page 503

You can use this procedure for a two-input 160-A DC power supply, three-input 240-A

DC power supply, four-input 240-A DC power supply, three-phase delta AC power supply,

or three-phase wye AC power supply.

Removing a Front Air Filter Element on a T640 AC or DC Power Supply on page 391

Installing a Front Air Filter Element on a T640 AC or DC Power Supply on page 392

To remove a power supply front air filter element (see

Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect

the strap to one of the ESD points on the chassis.

Chapter 29: Replacing Power System Components

Figure 205 on page

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