IBM 1402 Reference Manual page 18

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15"
CENTER SPRING
n-
TO
b4
I
END SPRINGS
NOTE:
IF ONE SPRING IS SET TO LOW DIMENSION,
SET ALL SPRINGS TO LOW DIMENSION; IF
ONE IS HIGH, ALL MUST BE HIGH.
Figure 3-11. Card Weight Adjustments
b. Place brush assembly in operating position.
c. Place .025" feeler gages between ends of sepa-
rator and contact roll.
d. Hold brush separator down to feeler gages and
tighten screws.
2. The scribed line (Figure 3-14) shows the best
brush-to;~ontact-roll
relationship. Four combina-
tions of brushes and brush separators are in use.
a. Three group brushes; one scribed
~ine:
These
are used on Model 2 machines and some
. 015"
TO
.050"
CARD
"h_
.015"
TO
.040"
Figure 3-12. Reader Feed Adjustments
·Trade Name of Allen Manufacturing Company, Hartford,
Connecticut.
Model 1's. Set heel of shortest brush group
on scribed line + .030" -.020".
NOTE:
+
is toward the stacker, - is toward
the hopper.
b. Three group brushes; two scribed lines: These
are used on Model 2 machines and some
Model 1's. Set heel of shortest brush group on
scribed line nearest hopper + .030"-.020".
c. Two group brushes; one scribed line: These
are used on Model 3 machines and some
Model 1's. Set heel of shortest brush group
.050" + .030" - .020" beyond scribed line.
d. Two-group brushes; two scribed lines: These
brushes are used on Models 3 and 4, and on
some Modell machines. Set heel of shortest
brush group on scribed line nearest stacker
+.030" -.020".
3. Adjust brush assembly for correct lateral track-
ing of brushes.
Caution: Do not tighten set screws to a point
where they bind the retractable frames.
a. Center brushes in separator with two \) Allen-
Head setscrews in brush assembly frames.
b.
With brush assembly in place, adjust screws
in machine side frames for correct brush track-
ing .
FIRST LOWER
CARD GUIDE
3-9