Teletype 28 - Page 56

SECTION 573-118-700TC
2. 46 Typing Mechanism (continued)
LIFTER LEVER
ECCENTRIC SCREW
(Locknut on other End)
RIGHT
DWELL
SURFACE
LIFTER LEVER
'LOCK PLATE SCREW
(Rear View)
(A) CAM
FOLLOWER ROLLER ARM POSITION
To Check
Trip function clutch. Move rocker arm to ex-
treme left position and observe travel of lifter
roller on right dwell surface. Move rocker
bail to extreme right position and observe travel
LIFTER LEVER
,. I' LEFT DWELL
SURFACE
\ • ROCKER ARM
of roller on left dwell surface.------------
*Note_: Remove timing contacts if
unit is so equipped.
Requirement
Approximately equal travel on each dwell surface.
To Adjust*
Loosen lifter lever lock plate screw until friction
tight. With eccentric screw locknut friction tight,
position lifter lever. Tighten lifter lever lock
plate screw. Do not tighten locknut.
(B) LIFTER OPERATING RANGE
(1) Requirement
With function clutch disengaged, clearance
between closest projection of bell-
cranks and associated function blade
projection
Min 0. 008 inch---Max 0. 020 inch----'
(2) Requirement
Min 0. 005 inch
clearance for function blades
other than letters-figures
if unit is so equipped.
To Adjust
Position lifter lever
eccentric screw with
locknut loosened.
Tighten locknut.
Page 56
LIFTER LEVER
ECCENTRIC SCREW
(Locknut on other End)
FUNCTION BLADES
(Rear View)
A'!'!!!