IBM Selectric Reference Manual

2
Figure 28. Differential Plate RE~moval
6. Unhook the check-latch-link spring (#1, Figure 30).
7. Remove the rotate-arm I ink (#2, Figure 30).
8. Scribe the position of the pusher-arm plate to the power
frame and remove the four mounting screws (#3, Figure 30).
9. Remove the positive bail spring (#4, Figure 30).
10.
Carefully remove the pusher-arm-plate assembly.
11. Remove the motor.
12. Remove all latch springs (#1, Figure 31).
13.
Remove all latch links (#2, Figure 31).,
14.
Remove the left-hand motor mount (#3
1
,
Figure .31).
15.
I<emove the four differential mounting nuts (#4, Figure 31).
NOTE: Do not lose the wedge in the lower-left mounting
stud.
Figure 29. Differential Plate Removal
16. Complete the Cycle-Shaft Removal section.
17. Remove the cycle-clutch latch bracket (#1, Figure 32~.
18. Remove the C-clip from the negative latch link (#2, Fig-
ure 32).
19. Remove the C-clip from the tilt-link stud (#3, Figure ~~2).
20. Remove the rotate-arm spring (#4, Figure 32).
21.
Detach the check-latch clevis (#5, Figure 32).
22.
Remove the differential-bracket assembly.
23. The following adjustments should be checked after the dif·
ferential-plate is replaced.
a. Rotate Differential Guides
b. Tilt Differential Guides
c. Rotate Latch Clearance
d. Tilt Latch Clearance
e. Tilt Detenting
f. T ypehead Hom i ng
Figure
30. Differential Plate Removal
4 2
4
3
Figure 31. Differential Plate Removal
3-9

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