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Fan Assemblies
Attention: If you are servicing the 7133 under concurrent maintenance (see
"Concurrent Maintenance" on page 137), ensure that you have only one fan assembly
removed from the 7133 at any time.
Notes:
1. Unless you have a particular reason to do so, do not switch off the using system or
the 7133 when removing or installing fan assemblies.
2. The diagrams in these instructions show a 7133 Model D40. The procedure for a
7133 Model T40 is the same, except that everything is turned through 90 degrees.
Step 1. Refer to Figure 93.
1
Figure 93. Removing a Fan Assembly
Step 2. At the front of the 7133, unscrew the thumbscrew 1 of the fan assembly that
Step 3. Pull out the assembly.
you are going to remove.
Note: You might hear the speed of the other fans increase.
The fan assembly is a complete FRU. Do not try to repair or exchange any
part of it.
Chapter 3. Removal and Replacement Procedures
173
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