User's Manual Part 3

Thermal Management Enclosure
MAY 2004 1X SC480 BTS Hardware Installation, Optimization/ATP, and FRU 9-83
PRELIMINARY
Introduction
The procedures in this section cover only the removal and installation of
the Thermal Management Enclosure (TME).
System Impact/Considerations
If the TME enclosure has been damaged it will no longer environmetally
protect the BTS. Thus, an interruption in call processingwill occur while
the TME is replaced.
Required Items
Documents
None
Tools
S Screwdriver with T20 star bit or T30 star bit
S Torque Driver Wrench or Torque Ratchet Wrench
S Socket, 8 mm, 3/8–in or 1/4–in
S 10 mm socket
Replacement Item
S TME
Prerequisite
Coordinate this repair task with the OMC–R operator.
IMPORTANT
*
Contact the OMC–R operator before performing the replacement
procedure. Tell the operator that the Filter Tray will be replaced and that
alarms can be expected.
Upon completion of the replacement procedure, have the OMC–R
operator verify that old alarms are cleared and that no new ones are
reported.
Replacement Procedure
Remove TME
Follow the procedure in Table 9-51 to remove the TME.
Table 9-51: Procedure to Remove TME
Step Action
1 Notify operator that TME replacement procedure is starting and that alarms can be expected.
2 Perform Carrier Shutdown procedure as described in Table 10-4.
table continued on next page
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