Bell System Practices Plant Series Adjustments page 5

Transmitter control switch -
transfer type contacts (transmitter
control only) . . . . . . . . . . . . . . . . . 105
Vertical tabulator slide retainer. . . . 103
4. EARLIER DESIGN MECHANISMS . . . 122
BASIC UNITS. .
Code Bar Mechanism
"'
Code bar shift lever drive arm. . . . . 124
Code bar shift lever link guide
bracket. . . . . . . . . . . . . . . . . . . . . 125
Function Mechanism
Bell or motor stop function contact . . 140
Figs-ltrs shift code bar operating
mechanism . . . . . . . . . . . . . . . . . . 129
Function contact spring. . . . . . . . . . 141
Function reset bail blade. . . . . . . . . 130
Function stripper blade arms. . . . . . 138
Line Feed Mechanism and
Platen Mechanism
Single-double line feed lever . . . . . . 139
Main Shaft and Trip Shaft
Mechanisms
Anti-deflection plate. . . . . . . . . . . . 126
Clutch trip lever spring . . . . . . . . . . 127
Clutch trip shaft set collars. . . . . . . 126
Spacing clutch trip lever . . . . . . . . . 127
Positioning Mechanism
Horizontal positioning drive
linkage
Horizontal positioning drive
linkage spring .............. 131, 132
Shift linkage spring . . . . . . . . . . . . . 135
Printing Mechanism
Printing arm. . . . . . . . . . . . . . . . . 136
Printing hammer stop bracket . . . . . 136
Ribbon reverse detent.
Ribbon reverse detent lever spring
Ribbon reverse spur gear . . . . . . . . 137
Type box carriage roller. . . . . . . . . 135
Type pallet spring . . . . . . . . . . . . . 136
Selector Mechanism
Bail lever guide. . . . . . . . . . . . . . . 122
Selector armature . . . . . . . . . . . . . 123
Start lever spring . . . . . . . . . . . . . . 122
CONTENTS
. . . . . . . . 122
. . . . . . •
. .............. . . . 131, 132
.
.
. . . . . . . . . 137
PAGE
Spacing Mechanism
Automatic CR-LF bell crank
spring . . . . . . . . . . . . . . . . . . . . . 133
Automatic carriage return and line
feed arm . . . . . . . . . . . . . . . . . . . . 138
Decelerating slide bell crank
spring . . . . . . . . . . . . . . . . . . . . . 134
Left margin . . . . . . . . . . . . . . . . . . 133
Margin indicator lamp . . . . . .
Oscillating rail slide position. . . . . . 128
Printing carriage position . . . . . . . . 133
Right margin. . . . . .
Spacing cutout transfer bail spring . . 134
Spacing feed pawl spring . . . . . . . . . 128
VARIABLE FEATURES... . . . . . . . 143
Horizontal Tabulator Mechanism
Cam plate stripper bail .
Columnar tabulator stops . . . . . . . . . 148
Horizontal tabulator slide arm spring. 145
Operating lever adjusting plate. . . . . 143
Operating lever cam plate spring . . . 145
Operating lever extension link spring. 143
Operating lever slide arm . . . . . . . . 143
Pawl mounting arm operating
range (final)
Pawl mounting arm operating
range (preliminary) .
Right margin. . . . . . . . . . . . . . . . . 146
Spacing cut-out transfer bail set
collar. . . . . . . . . . . . . . . . . . . . . .
Space suppression by-pass spring. . . 146
Tabulator pawl spring. . . . . . . . . . . 146
Tabulator shaft mounting brackets . . . 146
Tabulator shaft spring .
Tabulator stop setting
(not illustrated) . . . . . . . . . . . . . . . 148
Trip arm latch bail . . . . . . . . . . . . . 144
Trip arm latch bail adjusting plate . . 144
Trip arm latch bail spring. . . . . . . . 144
Paper- Out Alarm Mechanism
Bell crank follower ......... .
Bell crank follower spring. . . ..
. 137
.
1.
GENERAL
1. 01 This section is reissued:
adjusting information for
Armature Downstop, and the Selector Armature
Vertical Adjustment; to rearrange the text matter
and assembly grouping to conform to the
ISS 7, SECTION 573-115-700
CONTENTS
. . . . 142
•
. . . . . . . . . . 134
•
. . .
•
. •
. . . . . . . . . . . . . . 148
. . •
. . . . . . . .
. . . . . . . . . 143
•
to incorporate
the Selector
PAGE
. . . 145
. . 147
•
145
149
149
new
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