Bell System Practices Plant Series Adjustments page 79

3. 02 Horizontal Tabulator Mechanism (Can't)
OPERATIN G LEVER SLIDE ARM
PRIOR TO THIS ADJUSTMENT CHECK THE FUNCTION RESET BAIL BLADE ADJUSTMENT .
REQUIREMENT
ON UNITS WITH TWO-STOP FUNCTION CLUTCHES.
TYPE BOX CLUTCH ROTATED 1/2 REVOLUTION PAST STOP POSITION.
ONE-STOP FUNCTION CLUTCH, ROTATE FUNCTION CLUTCH UNTIL FUNCTION PAWL
STRIPPER BLADE IS IN ITS LOWER POSITION AND THE FUNCTION RESET BAIL ROLLER IS
ON THE HIGH PART OF ITS CAM.
TO REAR UNTIL LATCHED ON ITS FUNCTION BAR.
OF OPERATING LEVER SLIDE ARM AND BLOCKING SURFACE OF BLOCKING LEVER
MIN. 0.015 INCH---MAX. 0.035 INCH
TO ADJUST
POSITION SLIDE ARM ON OPERATING LEVER WITH MOUNTING STUD FRICTION TIGHT.
WHEN PULLING FUNCTION PAWL TO THE REAR, IF THE OPERATING LEVER CAM ARM
SHOULD BE STRIPPED OFF THE TABULATOR SLIDE ARM BEFORE THE FUNCTION PAWL IS
LATCHED ON THE FUNCTION BAR, TEMPORARILY DISABLE THE STRIPPER BAIL ARM BY
LOOSENING ITS ADJUSTING SCREW.
(
LEFT VIEW
OPERATIN G LEVER SLIDE ARM SPRING
REQU IREME NT
TRIP LEVER ARM LATCH BAIL SPRING
UNHOOKED. OPERATING LEVER IN
OPERATED POSITION WITH SLIDE ARM
AGAINST BLOCKING LEVER.
MIN. 8-3/4 OZS.---MAX. 10-3/4 OZS.
TO START LINK MOVING.
NOTE
ON UNITS EQUIPPED WITH TRANS­
MITTER CONTROL CONTACT, HOLD
CONTACT SPRING AWAY FROM STUD
WHEN MEASURING TENSION.
OPERATING LEVER ADJUSTING PLATE
REQUIREMENT
OPERATING LEVER IN UNOPERATED
POSITION. TAKE UP PLAY IN SLIDE
ARM AND BLOCKING LEVER TO
MINIMIZE CLEARANCE. CLEARANCE
BETWEEN FRONT END OF SLIDE ARM
AND LOWER PROJECTION OF BLOCK­
ING LEVER
MIN. 0.020 INCH---MAX. 0.045 INCH
TO ADJUST
POSITION ADJUSTING PLATE ON BRACKET
WITH MOUNTING SCREWS LOOSENED.
NOTE
FUNCTION CLUTCH DISENGAGED.
HORIZONTAL TABULATOR FUNCTION PAWL PULLED
CLEARANCE BETWEEN FRONT END
NOTE
)
MOUNTING STUD
BRACKET
IF OPERATING LEVER SLIDE ARM OR OPERATING LEVER AD­
JUSTING PLATE ADJUSTMENT IS CHANGED ON UNITS
EQUIPPED WITH TRANSMITTER CONTROL CONTACT, CHECK
CONTROL CONTACT GAP AND REMAKE IF NECESSARY.
ISS 7, SECTION 573-115-700
ON UNITS WITH
BLOCKING
LEVER
OPERATING LEVER
SLIDE ARM
OPERATING LEVER
OPERATING LEVER
OPERATING LEVER
ADJUSTING PLATE
OPERATING LEVER
SLIDE ARM
BLOCKING
LEVER
NOTE
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