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CARD LEVER 1
+0--..)
BLACK
DC TERMINALS
WHITE
,----za
....-----i7
a
10
I
FOR SLOW SPEED
O_'*"I/V.'''_\ro(;_~_1t-''_OJ
MACHINES ONLY
INNER BRUSH TO MAKE
3/32"
BEFORE OUTER
MAKES.
OUTER BRUSH TO MAKE
1/32"
BEFORE
CARD BRUSH MAKES THROUGH HOLE.
35
40
38
37
2A
F7
2A
CONTACT
F6
ROU
COVER
SWITCH
NO. 2
RESET INTERLOClt
FOR AC MACHINES ONLY
FOR DC MACHINES ONLY
RES. NO.
1
2
3
4
5
6
7
B
9
10
11-22
23-34
35
36
37
38
39
40
41-52
FOR AC VOLTAGES GREATER THAN 115V
.L.-,
3A
FOR FREQUENCIES LESS THAN 50 CYCLES
OFF
~~~~~
RED
I
Fl
,
i
Y~~
_ _
.-.l
: . ..1..
BLACK "
r----Q<~---t--Q<~~!__---_o+
I
OFF ON
~OOrN
______________
~h
SGREEN
«
»
GREEN
LINE FUSES
1---==----1
~)---:Y..
MOTOR
-=
-=
MACHINE FRAME
RELAY BOX
MOTOR
-=
RELAY BOX
-=
MACHINE FRAME
,
I
BLACK
r-----o+
DC
WHITE
TERMINAL CONNECTIONS-SLATE BASE· RELAYS
(TOP VIEW)
COUNTER RELAYS
BRUSH CONTROL RELAY
TRANSFER SET.UP RELAY
.DC
WHITE
ARMATURE TERMINAL
C8~~C¥ cg~ETNACpARMATURE~
HOLD COIL AND
VOLTAGE
AC&DC
115 V
12A
150 V
12A
208 V
6A
230 V
6A
RESISTOR CHART
115V DC
230VD9·
AC
2(6500)
2( 1500 0)
2(6500)
JUMPER
15000
JUMPER
1600
3000
1600
47000 0
82000 0
47000 0
33000
33000
33000
47000 0
47000 0
47000 0
13000
3000 0
13000
3000
3000
3000
300 0
3000
3000
27000
27000
27000
3000
3000
3000
13000
30000
13000
10000
2000 0
1000 0
JUMPER
5000
750
JUMPER
10000
1000
15000
3000
0
15000
1000
I)
20000
10000
15000
30000
1500 0
JUMPER
10000
1000
COIL
TERMINAL
HOLD COIL
COIL AND ARMATURE TERMINAL
COIL TERMINAL
PU COIL TERMINAL
OPEN CONTACT
CARD BRUSH
OUTER
CARD LEVER NO. 1
CARD LEVER NO. 2
COMMUTATOR NO.1
2
3
4
5
COUNTfR COMMUTATOR NO.9
(OUTER BRUSHES - SEE NOTE
IN CIRCUIT SECTION
REGARDING INNER BRUSHES)
7
6
5
4
3
2
1
o
1
2
COMMON
{
COMMON
DISTRIBUTOR
SEGMENTS
ARMATURE KNOCKOFF
FD.
KNIFE FORWARD TRAVEL
9
a
7
6
5
4
o
11
12
RESISTORS 3 AND
8 -
32
ARE
LOCATED WITHIN
THEIR ASSOCIATED CAPACITOR UNITS
I
CARD PICKED
jp
BY NO.1
J.
looIe~
_ _ _ _ _ _ _ _ _ _ _ 314" _ _ _ _ _ F_EE_D_R_0_LLS _ _ _ _ _
~;--
__
~"
CARD WIDTH
BETWEEN CARDS
Fi4ure 32. IBM 75 WiritJ4 Dia4ram
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