Cycle Clutch Pulley Removal (Late); Cord Replacement - IBM Selectric Maintenance Manual

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FIGURE
55.
Carrier and Rocker Removal
CYCLE CLlJTC:llrULLEY REMOVAL (EARLY)
I. 1'"dOI<II tlll!(ycle-Ciutch and Cycle-Shaft removal.
i'.
R,,,"ov,,
tflU"(1I clip from the rotate bellcrank pivot pin
(III, !'iquld6).
:l. ()i·.cIIIIII"cllne rotate link from the rotate bellcrank
(11111
·.flowll).
·1.
1\t:IIIOV" "("clip and remove pivot pin (#2, Figure 56).
:,. I',,·.h
cloWIl
onthe rotate balance arm (#3, Figure 56)
olld lilt "I'0nthe rotate bellcrank until the two are
.:1,,0101 t:ocnother and then remove the bellcrank.
(,. IklllC,'''' I 1\1) cycle-clutch-latch spring (not shown).
/. 1\"/1",'1"
th0~ottom
latch screw, loosen the top latch
' •• ;1,,1'1
UIlt!
slide the latch up and out (#4, Figure 56).
B.
rll!;" 111l'
hallaH the pulley and remove the pulley (#5,
I' i
'illl"
:i(').
'1. Th" foll'lI'Iing adjustments should be checked after the
cycle-cllJtcnpulley is replaced.
(J.
Lui
eli height
h. Cycldaft end play
FIGUREl6. Cycle Clutch Pulley Removal
3-15
c. Idler gears
d. Cycle-clutch spring
e. Cycle-clutch latch bite
f.
Damper-spring
g. Filter shaft timing
h. Print shaft timing
i. eland C2 contact timing
CYCLE CLUTCH PULLEY REMOVAL (LATE)
1. Perform the Cycle-Clutch and Cycle-Shaft removal.
2 . Remove be I t from pu II ey •
3. Remove two set screws from pulley. One on top of the
other used as a lock screw.
4. Remove cycle clutch hub from pulley.
5. Perform section
9
of early style cycle clutch removal.
CORD REPLACEMENT
NOTE:
Remove the main spring.
1.
With the carrier to the extreme right, feed the carrier re-
turn cord around the pu lIeys and connect to cord drum
(#
I,
Figure 62) •
2. Connect carrier return cord to carrier using long nose
pliers and spring hook .(#2, Figure 62).
3. Disconnect clutch unlatching link (#1, Figure 63).
4. Manually latch the clutch and turn the machine by hand
unti I the carrier is pu lied fully to the left.
5. Connect the escapement cord to the drum with about 1
turn of the cord on the drum (#2, Figure 63).
6. Connect tlie end of the cord to the carrier and then place
it on the pulleys (#3, Figure 63).
7. Connect the clutch unlatching link.
8. Replace and adjust the main spring (5 turns) with the car-
rier resting at the extreme RH margin.
CORD ADJUSTMENT
A time saving method of transport card adjustment may be ac-
complished by tying a knot in the end of the cord as close to
the hook as possible.
2
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FIGURE 57. Carrier Return Cord Replacement
FI GU RE 58. Escapement Cord Replacement