Feed Roll Timing Check - IBM 1402 Reference Manual

First Upper.
-------.,V
Card
Guide
Second Lower
Card Guide
Min. Clearance
at all paints
·006" Max.
Picker ________
-..j
Knife
Cams
Figure 3-54. Hopper AdjustJnents
The
leading
edge of
the
Brst low... card gu;de
should not be abOve the POint of Contact of the
/Irs~
upper and 10_ feed
xoDs.
The
!railing
edge of the Brst lower card guide should be flush
Within .015" below the second lower card guide
(Figure 3-54).
3. POsil;on the /lrst uppe,-
card
gu;de for
.020"
to
.050"
c1e"'ance
between
it and the /Irs'l""'ex eatd
gu;de. Adjust by lOosening S"'ews in mounting
b", and
shiEting
gu;de to desu-.d POSition (Figure
3-54).
4. POSition the second uppe,- card guide to obtain
a .012" to .025" clearance at the edge abOve the
fnnvaxd
aU_x,
and a .012" to .000" at the edge
towards the punch unit.
5. The
sixth
1,,-
card
gu;de is adjusted for
.008".
.010" clearance between the edge of the plastic
guides and the Contact roll.
B. Adjust the card guide' on the stacker contact
b,.cket fox a .01.2" to
·05o"'eJearance
to the low ...
card guide.
t - - -
Card
Post
~
Picker
Punch Transl'Orl Timings
Knife
Ann
Feed Roll Timing Check
N.,."" The feed roll and aliguer station Procedures
should not
be USed
as final
adfustment
Procedure..
These methods aro intended only as a means 0/
c.hecking the timing of the /lrst and second stepped
feed
ron~
/lrst and second intenn;trent
feed
rolls
and card aligners. It is not necessary to remove
the punch unit from the machine.
Danger,
B., SUTe
ali
P<>Wer
b..,
been
removed from
the
machine.
FIRST AND SECOND, STEPPED
ROLLs
(FIGUREs
3-55)
1. Trip clutch and
turn
-chine to 0°. (At
this
time,
the geneva can be dented to hold the timer at
00).
2.
The
stepped·ron timing gage (Figure 3-56)
should :6t on the flat ends· of the stepped-roll
shafts.
7. Time the ""eker contact to the machine
wiring
diagram.
FIRST AND SECOND
I~
ROLLs
1. Pivot hopper out. Remove
PFR
blUShes, ."d
punch check brushes.
3-41.1