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Bell Ringer
Bellcrank
FI GURE 182A.
Line Lock Bracket
The adjustment insures that the bellringer bellcrank will
remain in contact with the camming surface of the line
lock bracket throughout the line lock operation. It also
insures that the bellringer bellcrank will ride back over
the line lock bracket if the carrier is returned from a
position to the right of the right hand margin.
7.
Bell Clapper Bellcrank Lever - The bell should ring one
space before the bellringer bellcrank moves onto the
front surface of the line lock bracket.
The adjustment is obtained by forming the lug on the bell
clapper beilcrank that acts as a stop for the bell clapper
bellcrank lever (Fig. 182B). The forming adjustment
changes the amount of bite between the bai I lever and
the be
II
clapper be Ilcrank lever.
Form Here
Bell Clapper
Be
II
crank Lever
FIGURE 182B.
Bell Clapper Bellcrank Lever
8.
Line Lock Bracket Adjustable Plate (Fig. 183) - Position,
with the carrier in the next to last space, to a point
where the i ncl i ned surface just beg i ns to deflect the be
II
ringer bellcrank.
Last Column Contacts (Fig. 184) (Early)
a.
Form the NjO support so that the NjO contact
clears the Ojp by .020
11
to .030
11
•
b.
Position (carrier in next to last space) the contact
actuator on the bellringer bail so that it just touches.
the OjP. When positioning the actuator! all back
lash must be held out of the actuator to iine iock
bracket linkage.
Li ne Lock Bracket
FIGURE 183.
Line Lock Bracket
Actuator
FIGURE 184
0
last Column Contact Adiustment (Early)
NOTE:
To place the carrier in the next to last space,
proceed as follows:
1.
Space to the right until the carrier pointer lines
up with the mark on the RH margin set lever.
2.
Backspace two spaces.
c.
As the carrier moves from the next to last to last
space
1
check for the following conditions (Fig. 185).
1.
The contact transfer must be complete (and with-
out bounce) within one space.
2.
NjC contact must break.
3.
ojp must lift the NjO contact sufficiently to
insure rei iable make.
Last Column Contact (Late) (Fig. 186) -
2-53
1.
With the carri er in the next to last space posi ti on the
contact actuator on the bell ri nger bail so that the act-
uator just touches the OjP. When positioning the act-
uator, a
II
back lash must be he! d out of the actuator to
line lock bracket linkage.
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