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3745 FRU Exchange Procedure
Installation Procedure
1. If you are exchanging:
The PS2 install the new PS2 in the
primary power box.
The primary power box, install the PS2 in
the new primary power box.
Use the five screws 8.
2. Reconnect the three cables 7 and re-install
the ground wire at the DC/DC converter con-
nector 9.
3. Re-install the DC/DC converter cover 6 with
the two screws 5.
4. Re-install the PSs covers 4 with the six
screws 3.
5. Slide the primary power box in the frame and
fasten it with the four screws 2.
6. Reconnect the ground wire 1 to the frame.
7. Reconnect all the cables in their proper posi-
tion, at the front and rear sides of the primary
power box.
8. Reconnect the main power cable in outlet J3.
9. Set ON the Customer power supply switch
related to the 3745 and remove the safety
panel installed previously.
10. Switch CB1 ON.
11. Close the front door and the rear door.
12. Press Power On on the control panel.
13. Referring to Chapter 3, “How to Run 3745
Diagnostics” on page 3-1, run the same diag-
nostic in ODG that you ran before you
exchanged the FRU.
14. Go to “Action to Take After a Diagnostic Run
or an FRU Exchange” on page 4-99.
4-72 3745 Models 130 to 17A: MIP