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4.2.45
50, 100, and 155 Ipm Forms
Tension Assembly (Continued)
4.2.45.2 Print Units with Pivot Pins and
Two Paper Clamp Engaging
Levers (Continued)
Replacement
1.
Raise the clamp bar, then lower the shaft
between the clamp bar and the rear forms
guide.
2.
Install the shaft by inserting the left end,
then the right end. Push the shaft to the
right. You should feel the tension from
spring
II.
3.
Install bushing
GI.
Install plate
m
on
the left pivot pin. Hold the plate down
and tighten screw
I!I .
4.
Install pin and lever assembly !]I'in the
right engaging lever
m .
Be sure the
bracket
m
on the right lever operates the
lever assembly
(I
when the lever
iii
is
moved.
5.
Install pin
II
in the left lever.
6.
Raise both levers
Ii,
then replace two
screws
II
in each solenoid bracket. Tight-
en cable clamps if loosened.
7.
Install the link on the shaft, then attach
clip
a
on lever
II .
Attach the spring to
the right end of the clamp bar.
8.
Do the, forms tension service check steps
5, 6, and 7. Adjust if needed.
9.
Do the lower paper clamp service check
(4.2.44). If adjustment is needed, do ad-
justment steps 8-19.
10.
Install the print unit (4.2.10.2) and printer
covers.
Pivot Pin
Lower Forms Guide
Forms Tension Shaft
m
Measure at this point with power off
Folded Paper
Forms
Tension
Spring (6)
Link
Guide to form
the tension springs
Belt Printer
50, 100, and 155 Ipm
4-67
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