IBM Selectric Reference Manual

ROTATE SPRING REPLACEMENT
1. Remove the left dust cover.
2. Remove the ribbon cartridge.
3. Center the carrier over the camshaft.
4. Remove the two screws (#1, Figure 12) that hold the con-
tact plate to the frame. Remove the contact assembly,
holding it to the front with a rubber band.
5. Remove the two nuts (#1, Figure 13), one on newer ma-
chines, immediately to the right of the yoke on the car-
rier, remove the black cl ip from under the nut (#2, Fig-
ure 13) and gradually remove the tension from the rotate
spring. •
6. a. On older machines, back out the two screws (#1,
Figure 14) on the ri ght 1/4" and remove the screw
on the left, which is under the cycle shaft (#2,
Figure 14).
b. On newer machines, remove the lower right and
left screws and back out the upper right screw 1/4"
(Figure 14).
Figure 12. Rotate Spring Replacement
2
Figure 13. Rotate Spring Replacement
3-4
2 3
Figure 14. Rotate Spring Replacement
7. Remove the striker and rotate-spring retaining plate (#3,
Figure 14). The rotate spri ng can now be removed.
NOTE: In newer machines there may be a spring clip
(PN 1141238) that prevents the spring from being trapped
in the pulley notch. If not, one should be added on re-
assembly.
8. NOTE: On some machines it may be necessary to shim
the retaining plate and striker because they will cause
the new rotate spring to bind.
9. The following adjustments should be checked after the
rotate-spring is replaced:
a. Rotate Spring Tension
b. Typehead Homing
c. Damper Spring

IBM Selectric Specifications

General

Type	Electric typewriter
Introduced	1961
Keyboard Layout	QWERTY
Carriage Return	Electric
Manufacturer	IBM
Printing Technology	Typeball (golf ball)
Power Source	AC Power
Power Supply	120V AC