Card Guides; Early Read - IBM 1402 Reference Manual

Card Guides
SERVICE CHECKS
l. Check that tips of second lower card guide do
not mark contact roll.
2. Check for bent hopper back plate fingers.
ADJUSTMENTS
l. Loosen second lower card guide mounting screws.
2. Position second lower card guide fQr .001" to
.0l2" clearance to contact roll. See Figure 5-3.
3. Position punch hopper back plate for .012" to
.030" clearance between back plate fingers and
first lower card guide.
Early Reael
The Early Read Feature clutch for the Model 1 is the
standard clutch on Models 3 and 4. The Early Read
Feature is standard on the Model 3 and 4.
GUIDE
2·ND UPPER
CARD GUIDE ASM
2ND LOWER
FORWARD
ALIGNER
NOTE:
MAINTAIN TOLERANCE----
TO AVOID JAMMING
.012" to .025"
Figure 5-3. Punch Feed Read Card Guide Adjustments
5-3