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4.5.13 Feed Wheel Removal and Replacement
4.5.13.1 Detail Station
On machines with print feature, remove chip tube, print
head, plastic bed plate, and die and stripper; then proceed
with steps 1 through 5. On machines without print feature,
separate feed wheel and shaft using procedure listed in
4.5.13.2, step 3; then remove die and stripper and proceed
with steps 1 through 5.
1. Drive taper pins out of escapement wheel and space gear.
2. Remove collar from escapement wheel shaft.
3.
Slide shaft toward rear of machine and slip off escape-
ment wheel and gear.
4. Slide shaft back far enough to manually insert, one taper
pin. Use thls pin to force ball bearing out of the base
casting.
5. Pull pin and bearing free of the shaft and slip shaft
through to the inside base and out the top.
When replacing these assemblies, pull escapement wheel
shaft toward the bearing in the space gearing bracket and
lock the collar. There should be little or no endplay of the
escapement wheel shaft.
Note: Check timing of program cam and sensing contacts,
and check adjustment of backspacer. Check printing and
adjust if necessary.
4.5.13.2 Master Station
The feed wheel is pressed on as well as pinned to the shaft.
1. Remove eject unit and stacker plate. (Check adjustment
of traveling card guide so that stacker plate can be
replaced in the same position.)
.
2. Remove pin-sensing unit.
3. Withdraw the taper pin that holds space gear to feed
wheel shaft but do not remove it from the feed wheel.
4. Remove the three collars and outboard bearing plate.
5. Remove friction drive (the pins will push out).
6. Remove clip from read-pressure-roll release arm and turn
arm so that feed wheel shaft assembly can be pulled to
front of machine for removing bearing and bearing
adapter.
7. Pull out feed wheel shaft assembly from the rear.
To reassemble, reverse the removal procedure. Readjust
stacker plate and pin bail drive link. Remove endplay from
each shaft before tightening the three collars.
4.5.14 Card Feed Circuit Breaker Service Check
Replace badly pitted or worn points. Check for worn
operating
a r m
rollers;
4.5.15 Card Feed Circuit Breaker Adjustment
1. Align points to make sides and faces of contacts parallel.
2. Adjust stationary contact for 0.020-inch to 0.025-inch
air gap on high dwell of cam.
S225-3357-3
FES: SS234069
9/16"
Space
Armature Pivot Plate
,
1 /
~ r m i t u r e Pivot Plate
I
Dotted lines
shaw
l a k r
style
armature
1 -
3-9/16"
- 4
Figure 4-14. Armature Pivot Adjustment
(Side View)
Figure 4-15. Armature Pivot Adjustment
-
Side View
4.6 PUNCH DRIVE
4.6.1 l ndex Pointer Adjustment
With clutch detent back against clutch latch, set index
pointer to 345 degrees. Be sure that pointer clears index
wheel.
4.6.2 Interposer Magnet Adjustment
1. Position armature pivot plate as shown in Figures 4-14
and 4-15.
2. Form armature pivot by lifting tip of the armature until
there is at least 118-inch free movement to the operating
end (Figure 4-16).
4.6.3 Guide Comb and Bumper Adjurtment
With clutch latched, adjust guide comb and bumper so that
bumper portion holds punch operating arms down against
punch bail. When interposers are hooked under the bail,
29 FEMM
(11170)
4-9
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