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ADJUST ESCAPEMENT OPERATING LEVER H-20-7145 SO TYPE BAR TRIP TAKES PLACE WHEN TYPE
IS 1/4 OF AN INCH FROM PLATEN. IF TRIP IS TOO SOON, MOVE LEVER H-20-7145 AWAY FROM
SEGMENT:. IF TOO LATE, MORE LEVER TOWARD SEGMENT.
UPPER AND LOWER CASE TRIP SHOULD BE THE SAME.
EXAMPLE -- IF LOWER CASE TRIPS BEFORE
THE UPPER CASE, MOVE ESCAPEMENT ARM SCREW H-20-5287 UP IN SLOT OF ESCAPEMENT
OPERATING LEVER H-20-7145 AND VICE VERSA.
RIBBON DRIVE AND REVERSE
POSITION REVERSE LEVER TO THE RIGHT.
ADJUST RIBBON REVERSE LEVER STOP SCREW H-20-5304
"a" right, to have RIBBON FEED PAWL LEFT H-20-6803 "c" MESH UNDER ITS SPRING TENSION
WITH RIBBON RATCHET WHEEL LEFT H-20-6845.
AT THE SAME TIME CHECK RIBBON RETAINING
PAWL RIGHT H-20-6812 "b".
IT MUST BE CLEAR OF RIBBON RATCHET WHEEL RIGHT H-20-6855.
POSITION RIBBON REVERSE LEVER TO THE LEFT.
ADJUST RIBBON REVERSE LEVER STOP SCREW
H-20-5304 LEFT FOR THE OPPOSITE CONDITION.
RATCHET WHEELS LEFT AND RIGHT ARE DRIVEN TWO TEETH WITH EACH STROKE OF A KEY LEVER,
RATCHET WHEELS MUST NOT HAVE BACK LASH, TO REMOVE BACK LASH FORM RIBBON RETAINING
PAWLS LEFT AND RIGHT H-20-681 2 AND H-20-6813 AT POINTS "f" AND "b" TO THE REAR. IF
SPOOLS DRIVE ONE SPACE, FORM POINTS "F" AND "b" TO THE FRONT.
AS THE RIBBON UNWINDS FROM THE LEFT RIBBON SPOOL, THE RIBBON TENSION ARM LEFT H- 20-6822
MOVES TOWARD RIBBON SPOOL, WHEN FROM 5 TO 9 TURNS OF THE RIBBON REMAIN ON THE LEFT
RIBBON SPOOL, ARM "e" OF RIBBON REVERSE PAWL LEFT H-20-6810 IS INTERCEPTED BY POINT
THIS CAUSES RIBBON TO REVERSE.
FORM RIBBON TENSION ARM, AT POINT "d" TOWARD RIBBON SPOOL TO DECREASE NUMBER OF TURNS
OF RIBBON ON RIBBON SPOOL AT THE TIME THE RIBBON
REVERSES AND VICE VERSA.
WITH KEYLEVERS AT REST, REMOVE RIBBON FROM MACHINE, POSITION REVERSE LEVER TO THE
LEFT.
ARM "e" OF RIBBON REVERSE PAWL LEFT MUST CLEAR POINT "g" OF RIBBON REVERSE
TENSION ARM BY .020.
FORM "e" TO OBTAIN CORRECT CLEARANCE.
WITH RIBBON REVERSE
LEVER TO THE RIGHT, SAME CONDITION MUST EXIST BETWEEN RIGHT ARM "e" AND "g" OF RIGHT
TENSION
ARM.
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