IBM 3180 1 User Manual page 108

5. Turn the lever on the bottom of the logic element
to the open position.
Closed
6. Slide the locking bars on the right latches of the
logic element as shown below.
Locking Bars
7. Push in and hold the two right latches on the
logic element; then, while holding the latches,
pull the right side of the logic element from the
display element.
Latches
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8. Remove the two left latches from the holes on the
display element.
Hole
Latch
9. Loosen the knob on the cable attachment module;
then pull the module downward until it slides off the
display element.
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