Teletype 28 - Page 63

ISS 8, SECTION 573-118-700TC
2. 53 Typing Mechanism (continued)
FIRST
NOTCH
FOURTH
NOTCH
(Top View)
(A) CORRECTING DRIVE LINK (Nonyielding)
(1) Requirement
~--Select the BLANK code combination. Trip
function clutch and move rocker bail to
extreme left. Roller on axial correcting
plate firmly seated in first notch of axial
sector.
(2)
ADJUSTING
SCREWS
Requirement
Select LETTERS code combination (12345).
Trip function clutch and move rocker bail
to extreme left. Roller on axial correcting
plate firmly seated in fourth notch of axial
sector.
To Adjust
CORRECTING
DRIVE LINK
Loosen drive link adjusting screws. Holding
roller firmly seated in first notch and holding
drive link down (bottomed) against bushing,
tighten adjusting screws.
ECCENTRIC
BUSHING
ROCKER BAIL
MOUNTING SCREW
TYPE WHEEL RACK
ECCENTRIC
SHAFT
HORIZONTAL CENTER
ADJUSTIN"G HOLES
LINE OF SHAFT
LER GEAR
(B)
TYPE WHEEL RACK CLEARANCE
(Top View)
Requirement
With unit in the letters field, function clutch disengaged
'--------Min some---Max 0. 015 inch
clearance between idler gear and rack at the closest point when aU play is
taken up in a direction to make clearance a maximum. There should be some
clearance throughout travel of the rack.
To Adjust
With mounting screw friction tight, position idler gear eccentric shaft
by means of three adjusting holes in top of shaft. Tighten screw.
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