IBM Selectric - Page 135

RED RIBBON SHIFT
MAGNET
RIBBON SHIFT MODE
CONTACTS
RIBBON LIFT
CAM
PRINT SHAFT TIMING AS
REFERRED TO SELECTION
CAM SHAFT
PRINT FEED8ACK C-I
rRiNT FEEDBACK C-2
RED RIBBON SHIFT
MAGNET
RIBaDN SHIFT MODE
CONTACTS
RIBBON LIFT
CAM
PRINT SHAFT TIMING AS
REFERRED TO SELECTION
CAM SHAFT
8LACK RIB80N SHIFT
MAGNH
PRINT FEED8ACK C-2
PRINT RED
INITIAL PRINT CYCLE
'\2 MiS PU
I
,
M~X 8 MS DO
I~VDC r-, +-+-+-+--+---l>--1I-+-+-+-+-+--+-+IAPPROX,-f_-+-+---l--I-+-+-+--+-+-+---f--t--~-+-+--+-+-+---f...-,t--+-
...... mci
l
I I
r-+-+-;-+-+-+-+--r-r-;-;~5~+-+-+-~-+~-4-- '~--r-+-+-;--r-+-+---ll-r-+-+-+-+-r-+---ll-t--+-+-+--+-I
r-+-+-;-+--r-+-+--r-r-;-;~3 <--r-+-+-;--r-+-+~r-r-+-+-+-+-+---f-~I-t--+-+-+-~
1-+-+-+-+-+--+-+ __ I-+-;_4QZ~ ~~--r-+-+-~~-+~~r-r-+-+~~~~~~r-~+-+-~~-I
I-+-+-+-+-+-+-+--t--+-+_.;I~ ~ , ""'" Q Z~--r-+-+-;--+-+-+---l'--h~+-;-+-r-"t---l---ll-+-+--;':':+-
~~/\ ~~
~+-+-~~-+~~-~r-~-4kr' ~ ~~--r-+-+-;--r-+-+---l~~+-+-+--+-+-+~I-t--+-+-~~
,080
V
~
r"\.
~06O
V r\.
.040
V
~
~020
..-"
'-..
~OOO
135'
N C
j".,.,
NO N,
85°1:3°
130
0
± 3°
--
--
I
200 ± 3°
120' ± 3'
-
_NC_
O
,-
r-
ONE MAGNET RED RIBBON
SHIFT TIMING CHART
DEGREES
0
10
20
40 60
80
100 120
140 160 180 200
220
240
260 280 300 320 340
360
SELECTION CAM SHAFT
M1LlI SEC
3.58 7.17 14.3 21.5 28.6 35.8 ;42.9
50.1
57.3
64.5
71.6
78.8
85.9 93.1 100.3 107.5 114.6
121.8
129.0
PRINT RED
'PRINT BLACK
INITIAL PRINT CYCLE
REPEAT PRINT CYCLE
11 MS ~u ~Axl
8MS DO
1
48VDC
,
APF'ROX
I
+
I
I
I
I
I
~mll
I
I
~
I~
I
I
:I:
U
I
~
t;:3
I
~~
~
I
g
Z~
I
.oeo
/.,..
r--..
ii~
/'
r--...
I
I
.060
I
I:l:V
IO~
ili!:::
I
/'
'\
.040
1
/,...1
'il
I
...... V
\
.020
...j./
45'
"H-
I
~
000
I
135'
I
1 I
1
I
I
12MSPU
~
8MS D61
~48VDC
~
~~~
I
I
1
I
.
1
:
I
1
I
I
1
I
200 ± 3°
120°:t: 3°
N
N
<;;.~
~
N N
TWO MAGNET RED RIBBON
SHIFT
TIMING CHART
DEGREES a
10 20 40 60
80
100
120
140 160 180 200 220
240
260
280
JO()
320 340
360
SELECTION CAM SHAFT
MllLI SEC
3.587.17
14.3
21.5 28.6
35,8
42.9 50.1
57.3 64.5
71.6
78.8
85.9
93.1 100.3 107.5
114.6 121.8
129.0
4-3