IBM 220 Service Manual page 47

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To replace the power supply, reverse the removal procedure. Make sure to:
v Align the power supply inside the two tabs ( 6 in Figure 12 on page 32) on the
base of the chassis.
v With its locking features in a horizontal position, insert the power switch push
button 5 into the front panel and press until it locks in place.
Note: If the power switch does not work properly, loosen the power supply
mounting screw, slide the power supply to the rear of the chassis, and
retighten the mounting screw.
v Arrange the cables so that they do not interfere with the cooling fan blades or
the replacement of the cover. Ensure that they do not obstruct airflow through
the fan.
Note: The power supply connector J3 is not used in the 7206 Tape Drive. Make
sure that the J3 connector is placed in a position so it will not interfere with
the operation of the drive or the fan.
Chapter 4. Removal and Replacement
33