Product Info

1X UBS Macro B T S FRU XMI F an T r a y Assembly
The XMI should be lock ed b y the OMCR oper ator just prior to remo ving the XMI or the
XMI fan tr a y assembly .
Coordinate this repair task with the OMCR operator .
Before You Begin
Before you begin, record the pertinent information in the following table (see T able 7 -5 ):
Table 7 -5 Item Number R eplacement List
Item
Number
BTS number
XMI number
XMI Fan Tray Assembly Replacement
F ollow the steps in Procedure 7 -3 to replace an XMI fan tray assembly .
Procedure 7 -3 XMI F an T r a y Assembly R eplacement Procedure
A T THE BTS SITE
1
Notify the OMC-R operator that you are replacing the XMI fan tray assembly .
Do not touch the XMI with unprotected hands when the “HO T" label is fully visible.
If the “HO T" label is fully visible, wear heat protectiv e glo v es when touching the
metal case of the XMI. The “HO T" label becomes fully visible when the temper ature
of the metal case of the XMI reaches 50 degrees C. Howev er , the label ma y be
partially visible at lower case temper atures.
2
If the affected XMI is going to be removed from the frame in order to replace the
XMI fan tray assembly , go to Procedure 7-1 XMI Removal Procedure on page 7- 14
and perform the steps starting at step 2 . Then return to step 3 of this procedure.
If the affected XMI is going to be accessed from the rear of the frame in order to replace
Continued
68P09283A64 -3 7 -27
FOA SEP 2007