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Instruction Bulletin
Appendix E Rev. 4.6
May 2005
Rosemount Analytical Inc. A Division of Emerson Process Management Appendices E-15
World Class 3000
37840028
7
6
4
3
2
1
5
E-16 REPLACE GUI ASSEMBLY OR
RIBBON CABLE
Use the following instructions to replace the GUI
assembly or the mating ribbon cable.
a. Unplug ribbon cable (1, Figure E-10) from
microprocessor board.
b. Remove caps (2), screws (3), washers (4),
and GUI assembly (5) from enclosure cover
(6).
c. Unplug ribbon cable (1) from back of GUI
assembly (5). Replace damaged GUI as-
sembly or ribbon cable.
d. Plug ribbon cable (1) into back of GUI as-
sembly (5).
e. Install GUI assembly (5) on inside surface of
enclosure cover (6).
f. Secure GUI assembly with washers (4) and
screws (3). Install caps (2).
g. Reconnect ribbon cable (1) cable to micro-
processor assembly (10, Figure E-9).
E-17 CLOSE COVER AND RESTORE POWER
a. Close enclosure cover (6, Figure E-10) and
tighten cover screws (7).
b. Remove lock out and tag out at the main
disconnect box. Turn on power to the IFT
system.
1. Ribbon Cable
2. Cap
3. Screw
4. Washer
5. GUI Assembly
6. Enclosure Cover
7. Captive Screw
Figure E-10. Replacing the GUI Assembly