File Feed Joggler; Hopper And Picker Knives - IBM 1402 Reference Manual

SERVICE CHECKS
1. The front joggler interlocking arm should have
approximately 1/16" travel before contact makes.
2. Upper card deck support must be centered be-
tween side frames.
3. Front joggler operating levers must be free of
binds between side plates and lower magazine.
4. Hopper bed plate springs must be 3/8" ± 1/16"
above hopper bed plate.
5. Speed nuts should not interfere with helical spring
clutch. Use shims,
PIN
603544, to shim lower
magazine.
6. If flat springs are used, the lower magazine throat
should be .020" to .040" above an imaginary plane
determined by the tops of feed rolls. If throat is
formed from mirror plate it should be set at .055"
to .065" above feed rolls. See Figure 3-7.
7. File feed delay must allow three to five seconds
for cards to feed from file into hopper before
reader-clutching begins. A variable resistor, R-2,
on left bottom corner of the relay gate, is pro-
vided for this adjustment.
File Feed Joggler
FRONT JOGGLER ADJUSTMENT
1. Crank file feed drive unit until front joggler cam
followers are on low dwell. See Figure 3-8. Fill
hopper to just below sensing pads on front joggler,
and close joggler. Set adjusting screws on joggler
TO .065" IF MIRROR THROAr
.020" TO .040" IF SPRING THROAT
.'
Figure 3-7. Lower Magazine Throat Adjustments
3-6
to just touch operating arms.
Under these conditions there should be .003" to
.010" clearance between cards and lower end of
joggling surfaces (lower end of joggling surfaces
are in line with top of card feed knife posts).
a. On some machines, this clearance is obtained
by adjusting hopper post mounting bar by
means of set screw. Then, hopper posts have
to be adjusted also. Refer to Hopper Adfust-
ments.
b. On other machines, hopper post mounting bar
is pinned in position. The .003" to .010" clear-
ance is obtained by shimming between pivot
blocks and mounting bar.
2. Crank file feed drive until front joggler cam fol-
lowers are on high dwell of cams. Fill hopper
with cards until cards are level with top of sensing
pads; close joggler. Hold rear cam follower
against cam, and continue to operate unit. Stop
when .005" to .008" clearance appears between
cam follower arm and adjusting screws. Lo~sen
clutch operating lever on its pivot shaft and fully
seat clutch latch. With cam follower against cam,
position clutch operating lever so it just touches
turned-over ear on cam follower arm. Tighten
set screws in clutch operating lever to secure it to
shaft.
SIDE JOGGLER ADJUSTMENT
1. With a two-inch stack of cards in hopper, crank
file feed drive until hopper joggler cam follower
is on high dwell of cam. Set adjusting screw for
.000" to .005" clearance between the top of deck
and joggler arm. See Figure 3-9.
2. With hopper empty, crank machine until side
joggler is fully extended.
Caution: There must be enough clearance to
allow movement between joggler arm and hop-
per side plate, or joggler will break.
3. Lift side joggler arm at operating arm. See Figure
3-9. If interference exists, check distance between
hopper side plates. See Hopper and Picker Knives,
Adfustment.
Hopper and Picker Knives
Each picker knife block is fixed on its arm. Two
hardened pieces are inserted in the block surface to
resist wear. The inserts are ground to specifications.
Replacement of picker block is required when insert
becomes worn.
ADJUSTMENTS
1. Position picker knife cam followers for a minimum
clearance (without binds} over entire periphery