User's Manual

Full Unit Replacement Procedures
DRAFT
SC300 1X BTS Hardware Installation, ATP, and FRU Procedures
JAN 2002
8-22
Objective
The objective of this procedure is to replace a Microcell unit. See
NO TAG.
System Impact/Considerations
The removal of the failed unit will require system downtime.
Required Tools and Materials
The following tools and materials are required to do this procedure:
Tools
The following tools are required to do this procedure:
 Torque driver wrench, 1/4–in. hex female drive, 0–10 N–M
 T20 TORX Tamper Bit, 1/4–in. hex
 T30 TORX Tamper Bit, 1/4–in. hex
 13 mm torque wrench set to 5.0 N–M
 5/16 breakaway torque wrench 9–in. lb.
 13/16 breakaway torque wrench 38–in. lb
 Key for lock (optional)
 Handles for unit (optional)
Replacement units
One Microcell unit is required to do this procedure.
Procedure to Replace Failed
Unit
Before you begin
Before you begin, enter the following information into the following
replacement list table.
Table 8-13: Item Number Replacement List
Item Description
BTS Number
Failed Unit Number
Remove the failed unit
Follow the steps in Table 8-14 to remove the failed unit.
Table 8-14: Procedure to Remove the Failed Unit
Step Action
1 Place the BTS out of service. Refer to the “Shut Down Signaling Functions” procedure in
Table 8-2.
2 If necessary, use a T20 TORX Tamper bit to remove the Solar Cover.
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