IBM Selectric - Lower Ball Socket & Tilt Ring Removal; Rotate Tape Replacement

LOWER BALL SOCKET AND TILT RING REMOVAL
1. Remove the left dust cover and ribbon cartridge. Center·
the carrier over the cycle shaft.
2. Shift into upper case.
3. Remove the two screws (#1, Figure 12) that hold the print
contact plate to the frame. Remove the contact assembly,
holding it to the front with a rubber bond.
4. Hal f cycle a a-rotate l-ti It character. Note which posi ....
tion the ti It detent is in for replacement and be sure the
machine is still in upper case.
5. Loosen the two set screws (#1, Figure 15).
6. Remove the two pivot pins (#2, Figure 15).
7. Remove the ti It ring (#3, Figure 15) and remove the ball
joint.
S. Loosen the rotate pulley set screw (#1" Fig'ure 16).
9. Use the butt end of a small spring hook as a follower to
push out the lower ball socket (#2, Fi~~ure 16). NOTE:
This prevents the wedge from being lost. When replacing
the socket be sure the pin is pointing t'oward the front-
left and right-rear corners.
10. The following adjustments should be checked after the low-
er ball socket and ti It ring is replaced.
a. Ti It Detenting
b. T ypehead Hom i ng
c. T'ilt Ring
d. Upper Ball Socket
Figure 15. Lower Ball Socket and Ti It Ring Removal
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Figure 16. Lower Ball Socket and Ti It Ring Removal
ROTATE
TAPE REPLACEMENT
1. Remove the left and right dust covers.
2. Position the carrier 3" from the left frame.
3. Remove the broken pieces of tape from the machine.
4. Pull the ti It ring toward the front of the machine and turn
the rotate pulley until the T-slot is accessible (#1, Fig-
ure 17).
5. Insert the rotate tape, eyelet first (#2, Figure 17), be-
tween the rotate pulley and the right side of the yoke
from beneath the ribbon mechanism.
6. Pull the tape through and insert the T -tip of the tape into
the T-slot of the pulley (#1, Figure lS).
7. Thread the ta-pe around the rotate -arm pu II ey, top to front,
keeping it under the carrier-return cord, around the shift-
arm pulley, and anchor it to the carrier.
S. Connect the ti It-pulley spring with the open end to the
rear (#2, Figure 19).
9. Restore the 2 pounds of rotate-spring tension.
10. Check the type head homing adjustment.
Figure 17. Rotate Tape Replacement
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