77Chapter 8Replacing basic chassis componentsIn this chapter"Removing the front bezel and server cover" (page 77)"Replacing air filters" (page 80)"Replacing the power supply" (page 81)"Replacing the SCA SCSI drive cage and fused power cable" (page 84)"Replacing the cooling fan" (page 88)"Replacing the fuse (AC system only)" (page 91)"Replacing the alarm board" (page 93)"Setting jumpers on the alarm board" (page 94)"Replacing the status display panel" (page 96)Removing the front bezel and server coverIf the maintenance task requires replacing front panel components, youmust remove the front bezel. The exception is the hard drives, which can beaccessed by simply unlocking and opening the front bezel doors.If you require access to the server interior, remove both the front bezeland the server cover.RequirementsBefore you remove the front bezel and server cover, gather the followingtools:• the customer’s chassis keys for the front bezel doors• a flat-blade screwdriverNortel CallPilot1002rp Server Maintenance and DiagnosticsNN44200-701 01.02 Standard5.0 4 April 2007Copyright © 2007, Nortel Networks Nortel Networks Confidential.
