IBM 4247 Maintenance Information page 427

Figure 161. Push-Pull Selector. (Viewed From Left Side)
4. Remove the retaining clip from the left side of the feed roller shaft.
Figure 162. Upper Feed Roller Shaft Retaining Clip. (Viewed From Top Left Side)
5. Slide the left bushing toward the center of the printer.
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Chapter 5. Removals and Adjustments