IBM 9117-MMB

c. Tighten the thumbscrew (D) as shown in Figure 22.
6. To replace the power supply, with the locking handle (A) in the open position, push the power
supply into the expansion unit as shown in Figure 23 on page 23.
7. Close the locking handle (A) until the power supply locks into position.
Figure 22. Replacing a fan
22 Power Systems: Power supplies for the 9117-MMB, 9117-MMC, 9179-MHB, or 9179-MHC