IBM Selectric I/O Reference Manual page 9

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FIGURE 6. Carrier Mechanism
(Fig. 6. Carrier Mechanism)
9. Interposer-!ever sl iding surface
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Keep cartridge and sp"indles free of all lubricants
10. Detent-lever bearings
11.
Ti It bellcrank pivot
1 . Tab-lever pivot
2. Tab-lever latch pivot
3. Rocker pivots
A. Tilt ring and ball joint
4. Detent pivots B. Ribbon-lift cam surface
5. Tilt-ring pivots C. Ribbon-feed and detent cam surface
6. Lower ball socket D. Print-cam surface
7. Print-cam roller bearing E. Ribbon-feed pawl
8. Print-shaft wipers F. Ve locity control plate pin
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