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Appendix A - Maintenance
Replacing the Top Fan Assembly
1
Disconnect the top fan power connector as shown in
2
Lift the fan assembly, and align the large opening in the slot with the front rivet. Pull the fan assembly out
about one inch to clear the rear shoulder rivets. The top fan assembly, inside the upper air trough, is held by
a shoulder rivet at each back corner and one centered at the front.
3
When the fan assembly has cleared the rear rivets, allow it to drop straight down onto the fan rails.
4
Slide the fan assembly out from the cabinet.
5
Slide the replacement fan assembly onto the fan rails.
Connector
Ensure that the fan plate is above the rear shoulder rivets.
6
Support the fan assembly with one hand and guide it into position, engaging first the rear shoulder rivets, and
then the front rivet.
7
Connect the top fan power connector.
8
Install the heat exchanger.
64
Figure
Fan
assembly
side rails
Figure 51. Top Fan Assembly
November 9, 2001
LTPS-UM-8007-01, Issue 1
51.
Front
shoulder rivet
Fan assembly
AC
load center
SPX-CABFIN01, SPX-CABFIN04
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