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Removing the Quad Power Supply
For this procedure the processor must be deenergized. See page 1-7. In addition, the
FEED-END, LOWER ACCESS PANEL and the RECEIVING-END ACCESS PANEL must be
removed from the processor. See pages 1-3 through 1-5 for instructions, if necessary.
[1]
Open the ELECTRICAL BOX. See Figure 6-20.
[2]
Disconnect CONNECTORS P/J 110 and P/J 210 from the A1 QUAD POWER SUPPLY.
[3]
Remove the 4 SCREWS supporting the A1 QUAD POWER SUPPLY.
[4]
Remove the 4 SCREWS from the back of the ELECTRICAL BOX that secure the HEAT SINK.
[5]
Remove the 2 SCREWS that hold the EMI FILTER FL5. Move EMI FILTER FL5 to allow removal of the
A1 QUAD POWER SUPPLY.
[6]
Remove the A1 QUAD POWER SUPPLY.
[7]
Apply HEAT SINK COMPOUND to the back of the HEAT SINK on the new A1 QUAD POWER SUPPLY.
[8]
Reverse the above procedure to install a new A1 QUAD POWER SUPPLY.
[9]
Install EMI FILTER FL5.
246616
Use caution to prevent damage from electrostatic discharge.
IMPORTANT
6-27
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