- 20-
(B-138)
WTOR STOP PAWL BA
C
KSTO
P
ADJUSTUEl-.'l'f
(Figure 35)
With the printing bail
in
its extreme
rear
position and the 100tor stop
release lever eccentric moved a� from the outer stop pawl, the motor stop paWl
latch should clear both mtor stop pawls
b,y
an
approximately equal distance (not
less than .010") when the armature is mved
to
the llAR'ttNG or SPACING positions.
To adjust, loosen the backstop mounting nut
and
rotate the backstop.
KOTOR
STOP RELEASE
LEVER
JOOCENTRIC
ADJUSTMmT
(Figure 35)
Rotate the main shalt until the printing bail is in its extreme rear
position and the locking lever is on the high part of the locking cam. Thein,
with the armature in the
MARKING
position, engage the inner motor stop pawl
with the 100tor stop pawl latch. The motor stop release lever eccentric should
just touch the outer motor stop pawl when the lower arm of the motor stop
release lever is in contact with the mtor stop lever eccentric
and
the outer
pawl
is against the motor stop pawl backstop. To adjust, position the motor
stop release lever eccentric
b;y
meane
of its JDOWlting screw.
lm'OR
STOP PAWL SPRING COMPRESSION (figure 35)
With the p rinting bail in its extreme rear position, hook
an
8os.
ecale, held
in
a horizontal position, over the inner stop pawl just in front ot
the· backstop,
and
pull at right angles to the pawl. It should require 1/2 to
1 os. to start the pawl mving.
MOTOR STOP
LEVER
SPRING TENSION
ADJUSTMENT
(Figure 35)
UQhook the motor stop contact lever spring. With the motor stop lever
in
the unoperated position, hook
an
8 os. scale over the bead of the screw which
munts the motor stop lever eccentric,
and
pull
toward
the rear
ot
the printer.
It should require 1
to
1-1/2 oss. to start the lever moving.
To
adjust, pos:ltlm
the spring bracket on the post ot the selector unit. Replace the mtor stop
contact lever spring.
lC!'OR
STOP CONl'ACT
LEVER SPRING TENSION
(Figure 35)
Hold oft the contact spring if it rests on the lll)tor stop contact
lever. Hook
an
8 os. scale in the contact lever spring hole and
pull
in
line
with the spring. It should require l.rl/4 to 5-1/4 oss. to start the contact
lever moving.
·
MOTOR
STOP FUNCTION
LEVER SPRING
TENSION (Figure 36)
With the mtor stop function lever resting against the rear edges of
the vanes, but not selected, book a 12 lb. scale under the extreme front; end of
the lever and pull at right angles to the lever toward the top of the printer.
It should require ; to 6 lba. to start the lever moving.
END
OF
J.DTOR STOP ADJUSTMENTS
CJ")
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