Teletype 28 Manual page 32

SECTION 573-115-700TC
2. 27 Positioning Mechanism (Cont. )
ROCKER SHAFT BRACKET ECCENTRIC STUD
(1) REQUIREMENT ---WITH TYPE BOX CLUTCH DISENGAGED AND PLAY IN LOCKING ARM TAKEN UP
TOWARD FRONT, GAP BETWEEN LOWER SIDE OF LOCK LEVER ROLLER AND TOP EDGE OF SHOULDER
ON HORIZONTAL POSITIONING LOCK LEVER SHOULD BE:
MIN. 0.055 INCH
------------------------------------------------~----MAX.
0.090 INCH
(2) REQUIREMENT ---MAKE SURE THAT ROCKER SHAFT DRIVE LINK IS FREE IN ITS BEARINGS (NOT
UNDER LOAD) WHEN CLUTCH IS IN (a) ITS STOP POSITION; (b) WHEN IT IS ROTATED 180 DEGREES
FROM STOP P O S I T I O N . - - - - - - - - - - - - - - - - - - - - - - - - - - .
TO ADJUST --- ( 1) POSITION ECCENTRIC STUD IN LOWER END OF
ROCKER-SHA~T
LEFT BRACKET.
TIGHTEN NUT. KEEP HIGH PART OF ECCENTRIC (MARKED WITH DOT) BELOW CENTER LINE OF
DRIVE LINK. (2) MAKE SURE THAT STUD IS FREE IN TYPE BOX CLUTCH BEARING AT POSITIONS
(a) AND (b) ABOVE (NO PUSHiNG OR PULLING FORCE ON DRIVE LINK). CHECK MANUALLY BY
MOVING LINK TOWARD LEFT SIDE FRAME AND THEN IN REVERSE DIRECTION.
NOTE--- ANY CHANGE IN THIS ADJUSTMENT WILL REQUIRE THAT THE FOLLOWING RELATED
ADJUSTMENTS BE RECHECKED: HORIZONTAL POSITIONING DRIVE LINKAGE (PAR. 2,35)
RIGHT VERTICAL POSITIONING LEVER ECCENTRIC STUD (PAR. 2.28), LEFT VERTICAL
POSITIONING LEVER ECCENTRIC STUD (PAR. 2.29)VERTICAL POSITIONING LOCK LEVER
(PAR. 2 .36), RIBBON FEED LEVER BRACKET(PAR. 2 .53), FUNCTION STRIPPER BLADE ARMS
(PAR. 4.18), SPACING TRIP, LEVER BAIL CAM PLATE (PAR. 2.31). REVERSING SLIDE BRACKETS
.(PAR. 2.34)AND RIBBON REVERSE SPUR GEAR
0
(PAR.2.52) PRINTING TRACK (PAR. 2.49)AND
PRINTING ARM (PAR. 2.50). .
HORIZONTAL
POSITIONING
LOCK LEVER
LOCKING ARM
ECCENTRIC STUD
LEFT MAIN ROCKER
SHAFT BRACKET
--'-------=--=-----'
1
HORIZONTAL POSITIONING LOCK LEVER SPRING
REQUIREMENT
LOCK LEVER IN UPPER POSITION
MIN. 28 OZS. ---_MAX._ 43 OZS.
TO START LEVER MOVING UPWARD.
- I
I
BREAKER SLIDE BAIL SPRING
I
\__....~
REQUIREMENT
r
BREAK LEVER BAILS IN LOWER POSITION
MIN. 1/2 OZ. ---MAX. 1-3/4 OZS.
(FRONT VIEW) TO START BAIL MOVING.
BREAKER SLIDE BAIL TORSION SPRING
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