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2. Position all card lever contacts to give a mini-
mum contact travel of 1/16" when the card lever is
being operated by a card.
3. Position card levers and contacts to provide
a
minimum of 1/64" rise of the N/O contact strap
off it support.
4.
Adjust the contacts for 1/32" minimum
air
gap.
5. Time according to timing charts (dynami-
cally).
BRUSH ASSEMBLY
Adjustments
(Figure 2-13)
1. Insert brush assembly into machine and check
for .012" minimum clearance between brush sepa-
rator and contact roll with an end to end variation of
.015" maximum. To adjust proceed
as
follows:
a. Loosen four separator holding screws.
b. Place brush assembly on flat surface.
c.
Adjust
separator to flat surface.
d
.
Tighten the four screws
.
e. Check
assembly in machine
for correct
clearance.
SPRI
NG (2)
BRUSH SEPARATOR MOUNTING
BRUSH TIMING ADJUSTING
SCREWS
Figure 2-13. Brush Assembly
2-10
f. If
clearance
is incorrect,
remove assembly
and
shift separator in proper direction.
2.
Loosen locking screws at either end of brush
assembly
and shift
block,
so that the heels of the
brushes are
.050" + .030"
- .020" off the scribed line
on separator toward the stacker (left in read feed)
(Figure 2-14).
NOTE:
This setting is for the 2 grouped brushes, if
the 3 grouped brushes are used, set them on the
scribed line
+
.030"
- .020" .
3. Adjust the brush assembly for correct lateral
tracking of the brushes.
a. Center the brushes in the separatorbyuse
of the two
Allen-head
set screws in the brush
assembly frames.
NOTE: Do not tighten the set screws to a point
where they bind the retractable frames.
b. With the brush holder in place, adjust the
screws in the machine side frames for correct
brush tracking.
c.
Allow
.003" clearance to prevent binding,
when removing
or replacing the brush assembly.
4. Adjust
brush assembly card guide for a mini-
mum of
.025"
clearance to the lower card guide.
CENTERING SETSCREW
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