Teletype 28 - Page 39

ISS 8, SECTION 573-118-700TC
2. 29 Punch Mechanism for Chadless Tape (continued)
PUNCH SLIDE SPRING
Note:
Adjustments on this page do not apply to tape printer. PUNCH SLIDES
PUNCH PINS- -o:t @
(A) PUNCH SLIDE SPRING
Requirement
LETTERS combination set up. Function
clutch tripped. Punch slides in selected
position under punch pins.
Min 2-1/4 oz---Max 3-1/4 oz----'
to start each slide moving.
RETRACTOR BAIL
COMPRE$10N SPRING
RETRACTOR
BAIL
(B) RETRACTOR BAIL SPRINGS
(1) Requirement (compression springs only)
With function clutch disengaged and
tension springs unhooked
PUNCH
BLOCK
Min 8 oz---Max 32 oz -------------.Y.Jd-1
to lift retractor bail away from
lower guide or punch block. (Left Side View)
(2) Requirement (combined compression and
tension springs)
Under the same conditions as require-
ment (1) above, except with tension
springs hooked*
Min 4lbs---Max 5-lbs----~
\ I
"
PUNCH PINS
RETRACTOR BAIL
TENSION SPRING
*To facilitate rehooking ten-
sion springs, place punch
pins in uppermost position.
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