IBM 7133 D40 Service Manual page 203

Serial disk systems
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you must install the later type. You must also exchange the power
switch and cable assembly for the later type. Ensure that you have
the correct power switch and cable assembly available.
v If the switch remains in position (that is, the power switch is not attached to
the bezel assembly), you have a later-type bezel assembly. Carefully lift
the bezel assembly and its attached flexible circuits away from the 7133.
Step 11. If not already done, open the back cover (see "Covers" on page 138).
Step 12. Remove all power from the 7133 (see "Power (Model T40)" on page 148).
Step 13. Refer to Figure 100.
1
Figure 100. Removing the AC Connector Block
Step 14. Unplug the two power cables 2 from the power supply assemblies.
Step 15. Remove the screw 1 from the AC connector block.
Step 16. Lift the AC connector block and turn it counterclockwise to remove it from its
mounting lug.
Step 17. Place the AC connector block and its attached power cables onto the flat
surface inside the 7133.
2
2
Chapter 3. Removal and Replacement Procedures
185

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