LINE FEm>
JUSH
BAR
SFRING TENSION
- 32-
(B-138)
With the typing unit on its right side and the printing bail in
its
extreme
rear position, apply the pu�h end of an
8
oz. scale to the line teed
push
bar
just to the rear ot the function lever extension
am
push horizontally
at right
angles
to
the bar (See Figure
51A).
It should require
1-1/2
to
2-1/2
oza.
to
start the push bar moving.
LINE FE!D
DETENT
LEVFa
SPRING TENSION (Figur e
53)
With the typing unit in its normal upright position, hook a
12
lb.
acale
over the head ot the line teed. lever detent roller mounting screw and
pull at right angles to the detent lever.
It should require
5
to 6
lbs.
to
start
the detent lever
moving.
LINE FEU> PAWL
SPRING TENSION {Figur e
50)
With the single-double line teed lever
in
the
DOOBLE
line
feed
position
aJXl
the
line
teed pawl in its unoperated position, hook
an
8
oz.
acale
under
the line teed pawl just
to
the rear of the notch
and
pull up
vertical.l.7.
It should require
2
to
4
ozs. to start the pawl mving.
LINE FEm
CHECK SCRF.W ADJUSTMENT (Figure
53)
The line teed check screw sh ould drop in the tweltth notch from the
detent roller when
line feed ratchets
having
.33
teeth are used, and in the
fourteenth
notch when ·ratchets
having
37 te
e
th
are used.
(When counting
the
notches,
start with the notch just above the detent roller.) There should be
some
clearance,
not more
than .020",
between the front face ot the screw
and
t
h
e
face ot
th
e tooth at
the point
ot
minimum
clearen::e, when the check
screw
is
held
1n
the bottom
ot a notch on the ratchet. To adjust, loosen the line
t
eed check screw
lock
nut
am
position
the check screw
to
meet the
foregoing
requirements. Tighten the
lock
nut. Rotate
the
platen roll
and
check
the
c
l
ear
an
c
e in each notch
ot
the
ratchet.
It
ne
c
e
ss
ary
, loosen the
clamping nut
of
t
h
e
line teed check post
stop screw
and
back
ott
the
stop screw before
maJd.n& this adjustment.
LID
FJI3)
CHIC�
PO
S
T
STOP SCREW ADJUS
T
LBN
T
(figure
53)
With
the line teed
check post stop screw
held down against th
e
caatins,
there
should be
.015"
to
.0.30•
clearance between the line teed
check
aorew
and
each tooth
on
th
e
detem:. ratchet, when the platen
is
rotated.
'l'o
adjust,
l
oo
sen
the check
post
clamping
nut
and
position
th
e
stop screw.
Betore
tiahteniD&
the
c
lamp
ing
nut,
make sure
that
the line teed. check
post is
against
t
h
e innezo
side
ot
the casting
and
that
the
end
or th
e line teed.
check
lever
Bhatt
(l':lgure
SO}
is tlush with the o uter
surface ot
the casting. Tighten the .
clampins
nut.
·
LINB P.nD
CHECK
LEVB:R ADJUS�'l'
(
Pigu
r
e
53)
With
the
LINE FEED
combination
selected
and
the main
shaft rotated
until
the
line teed pawl has reached its farthest travel
in rotating
the
p laten,
the line teed pawl lever should
be
in contact wit h the check lever,
ani
there should be some clearance, not
more
than
.015",
between the l
owe
r
edge
ot
m
-.J
"'
�
w
-
en
00
