IBM Selectric Service 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
o =-=-.=-~_
o
- - - - - - ,I, .----,
- -' --- -~-_--'II'--"r-l
- -, 1-'""""""7/.~ ~
,). -..L -:--'
(
" --
C-v
FIGURE 57. Carrier Return Cord Replacement
FI GU RE 58. Escapement Cord Replacement

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