Lift the fan module to remove it.
Step 2.  Identify the fan slot to install the fan modules in. 
Figure 71. Fan module distribution
1  Fan 1 (single-fan module) 4  Fan 4 (single-fan module)
2  Fan 2 (dual-fan module) 5  Fan 5 (dual-fan module)
3  Fan 3 (single-fan module) 6  Fan 6 (single-fan module)
Step 3.  Install fan modules in the upgrade kit in the corresponding slots. 
Figure 72. Installing a fan module
Attention: With power on, complete the replacement within 30 seconds to ensure proper 
operation.
Remove the fan cage assembly
Follow instructions in this section to remove the fan cage assembly.
180 ThinkSystem SR860 V2Setup Guide