Bell System Practices Plant Series Adjustments page 4

SECTION 573-115-700
CONTENTS
Print Suppression and Off-Line
Stunt Shift Control Mechanism
Blocking bail .
. . .
Print suppression magnet
armature return spring .
Suppression code bar position. . . . . .
Type box clutch suppression arm
Type box clutch trip lever . . . . . . . .
Reverse Line Feed Mechanism
Line feed bar bell crank spring. . . . .
Line feed bar release lever spring . .
Line feed bar springs
Line feed clutch spur gear . . . . . . . .
Line feed spur gear detent eccentric .
Platen detent bail spring . . . . . . . . .
Reverse line feed slide link spring . .
Reverse line feed slide link stop
bracket. . . . . . . . . . . . . . . . . . . . .
Selective Calling Mechanism
Automatic carriage return-line
feed blocking slide spring .
Blocking bail . . . . . . . . . . . . . . . . .
Code bar shift mechanism .
Condition code (zero) code bar
shift mechanism. .
Condition code shift fork spring . . . .
Off line shift solenoid bracket
assembly . . . . . . . . . . . . . . . . . . .
Off line stunt shift solenoid spring.
Print suppresso_ r code bar spring . . .
Type box clutch suppression arm
Type box clutch trip lever
Two Color Ribbon Mechanism
Armature spring (left and right)
Operational requirement - ribbon
magnet bracket (final) .
Ribbon guide lever spring (left and
right) . . . . . . . . . . . . . . . . . . . . . .
Ribbon magnet bracket (left and
right) (preliminary) . . . . . . . . . . . .
Ribbon magnet hinge bracket (left
and right) (final). . . . . . . . . . . . . . .
Ribbon magnet hinge bracket (left
and right) (preliminary).
Ribbon reversing lever spring (left
and right) . . . . . . . . . . . . . . . . . .
.
Ribbon roller bail spring (left and
right) .
. . . . . . . .
Page 4
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. . . . 117
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117
. . 91
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117
98
96
. . . . . 97
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95
96
96
94
94
. 92
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91
90
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92
90
. 91
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90
91
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• .
. . . . . . . 90
.
. . . 120
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. 121
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121
120
120
. . . . . . . . 120
.
121
121
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CONTENTS
Universal Contact (Selector)
Mechanism
Contact arm spring. . . . . . . . . . . . .
Contact block. . . . . . . . . . . . . . . . .
Contact drive arm position. . . . . . . .
Contact mounting bracket. . . . . . . . .
Universal Contact (Stunt Box)
Mechanism
Contact. . . . . . . . . . . . . . . . . .
. . •
Contact bracket and drive cam . . . . .
Contact bracket and drive cam
position .
. . . . . . . • •
Contact bracket and drive cam
(
position 100 wpm) . . . . . . . . . . . . .
Contact spring (two springs). . . . . . .
General application timing - final
(using DXD or similar equipment) . . .
General requirements after timing
adjustments. . . . . . . . . . . . . . . . . .
Latch lever spring . . . . . . . . . . . . .
Normally closed contacts
for 83B2 switching system)
Normally closed contacts
used in Delta and United Airlines
System) . . . . . . . . . . . . . . . . . . . .
Normally open contact gap .
Normally open contact gap
Special adjustments (for 100 wpm). . .
Swinger spring. . . . . . . . . . . . . . .
.
Trip cam
. . . . . . • . .
Vertical Tabulation and Transmitter­
Distributor Control Mechanism
Blocking lever . . . . . . . . . . . . . . .
•
Blocking lever spring
.
Form-out pawl spring . . . . . . . . . . .
Indexing disk . . . . . . . . . . . . . . .
. •
Line feed clutch trip lever spring
Mounting bracket . . . . . . . . . . . . . .
Page feed-out gear play.
Page feed-out index plate position . . .
Pointer. . . . . . . . . . . . . . . . . . . . .
Stunt box switch spring . . . . . . . . . .
Switch contact pressure. . . . . . . . . .
Switch contacts for transfer type con-
trol switch (transmitter control only) .
Tabulation index plate position
Tabulator bail spring
.
Transmitter control switch for
single- contact type control
(transmitter control only) . . . . . . . .
PAGE
109
109
109
109
110
112
113
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113
110
113
114
111
(
100 wpm
. . . . . . 113
•
(
100 wpm
114
110
. . . . . .
.
(
100 wpm). 113
113
110
111,113
. . • • . . . .
104
106
. . . . . . . . . .
108
103
108
. .
.
103
103
. . . . . .
. . •
107
104
108
104
107
106
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.
. . . . . . . . . . 108
106
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•