Cycle Clutch And Cycle Shaft Removal - IBM Selectric I/O Reference Manual

CYCLE CLUTCH AND CYCLE SHAFT REMOVAL
1. Remove the covers.
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).
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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, Fi gure 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,
Figure 5).
11. Remove the three bearing-plate screws (#2, Figure 4).
12. Remove the bronze intermediate gear (#3, 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 a screwdriver and
sl iding it off the cycle shaft.
15. Force the positive bail down with a screwdriver (#2,
Figure 5), making sure all the latches are under the bail.
Insert a bristol wrench through the lower left bearing
plate mounting hole (#2, Figure 4) over the top of the
bai I to hold it down.
Note: Do not remove the positive bai I restoring spring.
16. Remove the cycle shaft, pushing the Negative 5 and
Rotate 2 links out of the way with a spring hook pusher
end. The pusher-restoring-bail arms will easily bend to
the left to allow removal.
17. Remove the shims from the old shaft and put them on H.e
new one. Be sure the flexible nylon shim is the first one
put on.
Note: The number of shims may vary with the new shaft
to maintain. 002
11
-
.004
11
end play.
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Not present on all printers.
FIGURE 1. Cycle Clutch and Cycle Shaft Remova!
3-1
i8. The following adjustments should be checked after the
cycle-shaft is replaced:
a. Idler Gears
b. Cycle Shaft End Play
c. Cycle-C lutch Spring
d. Cycle-Clutch Latch Bite
e. Damper Spring
f. Fi Iter 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