Teletype 28 - 3.33 Automatic Noninterfering LTRS and BLANK Tape Feed Out Mechanisms

ISS 8, SECTION 51'3-118-'lOOTC
3. 33 Automatic Nonlnterferlng LTRS and BLANK Tape Feed Out Mechanisms
(Front RESET SPRING RELEASE RELEASE LEVER
View) CAM FOLLOWER
HOOK LEVER
\
CLAMP
1 SPRING
FRONT RATCHET SCREW
CHECK PAWL
(C) RELEASE LEVER SPRING
(B) SAFETY LATCH
(1)
Requirement
Requirement
Trip selector clutch. Rotate
main shaft until reset cam
follower is on peak of reset
bail cam. With spring hook,
hold f.ront
ratchet check pawl
away from release lever.
Min 5 oz---Max 'l oz
to start release lever moving.
(A) LATCHLEVER
(1)
Requirement
Trip selector clutch. Rotate main
shaft until reset cam follower is
on peak of reset bail cam, where
clearance is at a minimum •
..._
______ Min 0.018 inch---Max 0.028 inch
between release lever and
latchlever.
Trip function clutch by rotating I (2) Requirement
main trip lever counterclockwise. Min some---Max 0. 008 inch
Rotate main shaft until drive link is endplay between cam follower
to extreme left. Trip selector and bushing
clutch and rotate main shaft until
reset cam follower is on peak of
cam where clearance between safety
latch and latchlever is minimum.
Take up play in safety latch to make
clearance minimum. Measure where
it is minimum.
Min
some---Max 0.005 inch--_.
To Adjust
With
small nut loosened, position
safety latch pivot by means of pry
point.
(2) Requirement
Trip selector clutch. Rotate main
shaft until right edge of safety
latch and contacting edge of latch-
lever are in line.
Max 0. 030 inch------.
of safety latch not engaged by
latchlever.
To Adjust
Refine requirement (1) and
LATCHLEVER adjustment.
LATCH-
LEVER
SPRING
PRY POINT
Page 113