IBM Selectric Maintenance Manual page 64

Interposer Latch Bracket
--,~~~~
_ _ _ Interposer Latch Position
Operational Armature
(De-Energized)
FIGURE
128.
Trip Link
OPERATIONAL MAGNET ASSEMBLY (LATE STYLE)
1.
Pivot Plate (Late Style) All Magnets - Position so that the
armatures (manually attracted) rest on the non-magnetic
shim (Fig.
128.1).
This will provide
.001"
to
.003"
clearance between the armature and the yoke. Early
production units not incorporating this shim should be
adjusted for
.001"
to
.003"
clearance between the
armature and the yoke.
Operational Link ~_~
Pivot Plate
.001"
to
.003"
FIGURE
128.1
Pivot Plate
2.
Armature Backstop (Late Style) (Fig.
128.2)
Position, vertically, so that the armatures (at rest)
clear their yokes by
.020"
to
.025".
Armature Backstop
Armature
fiGURE
128.2
Armature Backstop
3. Magnet Unit Position - Position as follows:
a. Left to Right - so that the armatures are directly
beneath their corresponding interposers (Fig.
128.3).
Operational Interposer
FIGURE
128.3
Left to Right
b. Front to Rear - so that the armature I ink holes are
slightly to the rear of the interposer I ink holes (Fig.
128.4).
Link Off-Set
Shock Absorber
FIGURE
128.4
Front to Rear
Having the trip I ink offset insures unlatch ing of the
interposer since the iink puiis downward and aiso
to the rear.
4.
Pull Link (Fig.
128.5) -
Adjust the operational pull links
so that a
.002"
to
.010"
clearance exists between the
interposer latch bracket and the interposer latch at the
point of relatch ing.
2-40
Operational Armature
Manually Attracted
FIGURE
128.5
Check, Trip Link