Nortel Multiservice Switch 7400 Installation & Maintenance page 395

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Procedure job aid
Exploded view of a cooling unit and Multiservice Switch 7460
Captive screw
Copyright © 2005, Nortel
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Hardware procedures
Wait until the fan blades are no longer rotating before fully removing the
cooling unit.
With your right hand, hold onto the handle located beside the upper airflow
grill of the faceplate.
Pull the cooling unit out of its slot, making sure to support the underside of
the unit with your left hand.
Hold the unit so that you do not contact any of the copper-colored EMI
gaskets that are located behind the faceplate.
Shelf assembly
Cooling unit
Nortel Multiservice Switch 7400
Hardware Installation, Maintenance, and Upgrade
NN10600-175 7.1S1 Standard
PCR7.1 and up October 2005
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Intake airflow
grill
PPT 3479 009 AA2
Nortel Confidential