IBM Selectric - PRINT ESCAPEMENT

CYCLE CLUTCH AND CYCLE SHAFT REMOVAL
1. Remove the covers and ring mount (not shown).
2. Position the carrier to the extreme right.
3. Remove the degree wheel pointer (#1, Figure 1).
4. Remove the degree wheel (#2, Figure 1).
5. Remove the gear guard (#3, Figure 1).
6. Remove the left dust cover (not shown).
7. Remove the two screws (#1, Figure 2) that hold the con-
tact plate to the frame. Remove the contact assembly
and hold it to the front with a rubber band.
8. Remove the two pi vot screws (# 1, Figure 3).
9. Remove the front screw from the C 1 .. C2 contact assembly
(#1, Figure 4) and swing the assembly down out of the way
of the bearing plate.
10. Remove the cycle-clutch check pawl and spring (#1, Fig-
ure 5).
11. Remove the bronze intermediate gear (#3, Figure 4).
12. Remove the three bearing-plate screws (#2, Figure 4).
13. Remove the C 1 - C2 cams (#4, Figure 4) and the cycle
shaft gear (behind the C 1 - C2 cams).
14. Remove the bearing plate (#5, Figure 4) by prying it away
from the frame (front end first) with CI screwdriver andslid-
ing it off the cycle shaft.
15. Force the positive bail down with a screwdriver (#2, Fig,-
ure 5), making sure a" the latches are under the bail. I.n-
sert a bristol wrench through the lower left bearing plate
mounting hole (#2, Figure 4) over the top of the bail to
hold it down.
NOTE: Do not remove the positive bail restoring spring.
16. Remove the cycle shaft, pushing the Negative 5 and Ro-
tate 2 I inks out of the way with a spring hook pusher end.
The pusher-restoring-bai I arms wi II easi Iy bend to the left
to allow removal.
17. Remove the shims from the old shaft cmd put them on the
new one. Be sure the flexible nylon shim is the first one
put on.
2 3
Figure 1. Cycle Clutch and Cycle Shaft Removal
3-1
18. The following ad justments should be checked after the
cycle-shaft is replaced:
a. Idler Gears
b. Cycle Shaft End Play
c. Cycle-Clutch Spring
d. Cycle-Clutch Latch Bite
e. Damper Spring
f. Filter Shaft Timing
g. Print Shaft Timing
h. C 1 and C2 Contact Timing
Figure 2. Cycle Clutch and Cycle Shaft Removal
Figure
3. Cycle Clutch and Cycle Shaft Removal