Adjustments Of Punch Transport - IBM 1402 Instruction & Reference Manual

Forward and Side Aligners
For checking these timings, the punch unit must be
removed. The first stepped feed roll must be in time
before checking the aligners.
1. Latch the die into position to serve as a card
guide.
NOTE: Die card guide gage
610094
will be furnished
with machines containing the redesigned die and
stripper
601981
to use in place of die.
2.
Insert gage
608183
(Figure
4-6).
Figure 4-6. Gage Position in Punch station
3 .
Pivot the hopper up and place cards in the
o
hopper. Trip the clutch at
300
and continue turning
the machine until the clutch engages (315
0
) .
Feed
cards manually for two card cycles.
4. Continue turning the machine and check to see
that a card finishes forward aligning to within
.005"
of the "forward aligner timing marks" on the gage
at
351
0
(Figure
4-7).
This determines that the for-
ward aligner is timed correctly.
NOTE: The following step is necessary on machines
with an adjustable left side aligner.
5.
With the machine still at
351
0
,
check to see
that the left side aligner surface is against the card
and is
37/64"
from the inside of the left side frame.
Check to see that the right side aligner is just
o
touching the card at 351 .
NOTE: The following step is necessary on machines
with a fixed left side aligner block.
6.
Check for
.010"
to
.020"
gap between card
and left side aligner block under the following con-
ditions.
a. The card must be fed while being held
against the left side plate .
FORWARD A LI GN ER TI MING MARKS
Figure 4-7 . Gage 608183 Timing Mark
b . The check must be made prior to a lignment.
7. When feeding cards held against the r ight
hopper side plate, check the right side aligne r surface
for
.005"
minimum clearance to a card when a card is
fed into the aligner station but prior to side aligning.
Adjustments of Punch Transport
NOTE: Be sure all power has been r emoved from
the machine.
First Stepped Feed Roll
NOTE: The first stepped feed roll can be timed with
the punch unit in the machine, however it is easier
with the punch unit removed.
1. Pivot hopper down and remove punch feed
brushes and the PFR brushes or the removable card
guide.
2.
Trip clutch at
300
0
and manually turn m achine
to
330
0
.
3. Loosen split hub of pulley located onfrontend
of first stepped feed roll.
4. While keeping machine at 330
0
•
turn first
stepped feed roll by hand and feed a card lengthwise
through one roll of the first stepped feed roll. Make
sure card is not passing through intermittent rolls.
5.
At the point at which the first stepped feed
roll stops feeding the card, rotate roll slightly until
card experiences light drag.
6.
Hold roll at this position and tighten the pulley
previously loosened in step
3.
7.
Check to see that the card is held tight by the
first stepped feed roll at
329
0
and is free at
331
0
.
8. Retime the first intermittent feed roll.
9.
Check second stepped feed roll and retime if
necessary.
First Intermittent Feed Roll
The first stepped feed roll must be in proper time
before timing ·the first intermittent feed roll . For a
timing check, refer to Timing Check, First Stepped
Feed Roll and First Intermittent Feed Roll . Steps
1
thru 6.
NOTE: The first intermittent feed roll can be timed
with the punch unit in the machine, however it is
4-7