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IBM 77 Reference Manual page 7

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R E F E R E N C E M A N U A L
7 7 C O L L A T O R
7
5. Move individual magnets
to front or rear to provide
.008
"
to ,012
I1
clearance be-
tween stop pawls and setup
ratchet teeth with stop pawls
latched on armature.
This should result in a
relatching clearance of
.O1Oll
to
.01411
6.
To time the unit to the machine: Turn the restoring
bail adjusting screws so they project through the bail
approximately
&'I
a t the point where the screw bears
against the cam follower. Set unit on support bars. In-
stall holding screws and turn them in just far enough to
hold unit without meshing gears. Set the machine a t 8
(18") on the index. Trip the restoring magnet armature
and turn the unit drive gear clockwise until the stop
pawls overlap the 9 tooth of the setup ratchets approxi-
mately .030
I'
to
.040 ".
Be sure the ratchets are travelling
from the 9 toward the
0
position. Mesh the unit gear
with the continuously running shaft gear and install
the two holding screws.
.
-
7. The outer restoring bail adjust-
ing screws are accessible with the
unit on the machine and should
now be adjusted for an even over-
lap of
.03011
to
.04011
of the stop
pawls to the setup ratchet teeth c t
a line on the index. (Complete
adjustments 8 and 9, then perform
adjustment 10 on the next page.)

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