m
-.J
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- 5-
(B-138)
INSTRUCTIONS
FOR REMOVING THE CODE BAR! FROM THE CODE BAR
ASSEMBLY
If
it
becomes necessary
to
remove one or more code bars from the code
bar assembly,
the foll owing instructions should be
followed carefully. Hold
the inner nut on the code
bar
stop
with
a
wr
e
n
ch
and
remove the outer
nut.
The
inner nut
may
t
h
e
n
be
removed.
In
replacing
the
nuts,
care
must
be used,
as
excessive tightening of the nuts
may
cause the code bar separator collars to
become embedded in the separator washers. Such a condition might prevent the
code bars trom moving freely.
To
prevent this, tighten the
inner
nut slightly,
j
ust
e
m
u
gh
to
fla+.ten the lock washer. Then,
w:1.
th a wrench, hol d the inner
nut
in
this position while tightening the outer nut. (See Figure 62 tor loca
tion ot parts.
�
RIBBON FEm SHAFT BEARING PLATES
ADJUSTMENT
(Figures 6
and
7)
See Note
(A)
The lett end of the ribbon teed
shaft should
be flush with the inner
ertd
ot the lett vertical feed shaft bevel gear teeth, when the ribbon teed
shaft is
in
its left position and the lett vertical feed shaft bevel gear
is
held
in engagement with
the
ribbon teed shaft gear.
A
like condition should
exist when
the
ribbon teed shaft is in its right position
and the
right verti
cal
teed shaft bevel gear is held
in
engagement with it.
To
adjust, loosen the
munting screws of both right
and
lett ribbon spool, brackets
and
move the
brackets u
p
ward
as
far as the elongated mounting holes will permit. Tighten
the
moun
ting
sc
rews
with the
brackets vertical,
and
at
right
angles to the
casting. Adjust the right bearing plate
by
means of its clamping nuts to meet
the first req�irement. Adjust the left bearing plate
in
a like
manner,
with the
ribbon teed shaft in its right posi. tion, to meet the latter requirement.
RIBOON
FEED
SHAFT
DETENT SHUNG
ADJUSTMENT
(Figure 6) See
N
o
te
(A)
The ribbon feed shatt detent spring
should
be
adjusted
to
meet the
following
two
requirements:
(.A.)
The cent.er of the ribbon feed shaft detent roller should
be
at
the
same height as the center of the ribbon teed shaft,
ai¥i
the
shaft
detent should travel equally on either side
ot
the detent rol ler
when the shaft is moved from.
its
extreme lett
to
its
extreme
right
position or vice versa.
(B)
With the
ribbon
teed shaft in its extreme left position, hook a
32
oz.
scale over the detent
roller hub
and
pul.l
horizontally
toward
the rear of the type
bar
carriage. It
should
require
19
to
23
ozs.
to start the roller moving
&WBN"
from the
detent. Also check this
pressure with the shaft
in
its extreme right position. These two
pressures should be within
2
ozs. ot being equa l.
To adjust, loosen the m:>Unting
screws
of the ribbon teed
shaf't detent
s
p
ri
ng
ani
position
the
spring.
To
increase or decrease
the spring pressure,
remove the spring
and bend. i
t
.
To
equalize the pressure,
position the
spring
to right or left.