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4, Slide shaft back far enough to manually insert, one taper
pin. Use this 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 wheelshaft.
Note: Check timing of program cam andsensing 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 pinnedto 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 bearingplate.
5. Removefriction 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 therear.
To reassemble, reverse the removal procedure. Readjust
stacker plate and pin bail drive link. Remove endplay from
each shaft before tighteningthe three collars.
4.5.14 Card Feed Circuit Breaker Service Check
Replace badly pitted or worn points. Check for worn
operating arm 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.
4.6 PUNCH DRIVE
4.6.1 Index 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.
9/16"
—~
-
Space
r)
Armature Pivot Plate
7]
ry
my
\
1
$
'
'
1
19\
17
1D,
\_?
'Ly
\
+4
\
Armature Pivot Plate
Dotted lines show later style armature
+~—
3-9/16"
Figure 4-14. Armature Pivot Adjustment
a
|
|
!
(Top View)
|
|
|
|
1
Armature
te Pivot Plate
|
[
>! 9-028" to
0.030"
Yoke
(Side View)
Figure 4-15. Armature Pivot Adjustment — Side View
2. Form armature pivot by lifting tip of the armature until
there is at least 1/8-inch free movement to the operating
end (Figure 4-16).
4.6.3 Guide Comb and Bumper Adjustment
With clutch latched, adjust guide comb and bumperso that
bumper portion holds punch operating arms down against
punch bail. When interposers are hooked underthe bail,
there should be 0.003-inch minimum clearance between
bottom of bail and interposers (Figure 4-17). Check
adjustment by placing the hand on the punch armsto take
up any clearance between top of bail and puncharms; then
trip all interposer armatures. All positions should latch
under thebail.
29FEMM
(4/69)
4-9
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