IBM Selectric - Printer Contact Locations

6
c
II
Figure 8. Operational Mechanism
IBM #10
1. Right-hand margin-rack bushing
2. End-of-I ine contact-actuating pivots
3. Escapement-cam-follower roller
4. Print-shaft bearing
5. Escapement clevis
6. Spring-clutch arbor. Oil carriage ref'urn spring clutch
only when reassembly is necessary
7. Index pawls
8. Tab-torque-bar pivot
9. Power-tab be II crank-I ink ends and pivots
10. Feed-roll bearings
11. Escapement-shaft bearing
12. Operational cam and RH bearing
13. Operational cam pivot
IBM #23
A. Operational-cam surfaces, rollers, and drive ratchets
B. Actuating arm and check-pawl contact surface
C. TorquC'-limiter spring clutch
1-9
PRI NTER CONTACT LOCATIONS
Figures 9 to 13 show the I ocat ions of the pri nter contacts.
CONTACT AND
LATCH ASSEMBLY
Figure 9. Bottom View Showing Contact Location
CARRIER -RETURN
INTERLOCK CONTACT
.. 1,
~ I
FEEDBACK SHIFT
CONTACT TRANSMIT
(C3, C4 CONTACT
Figure 10. Right View Showing Contact Location