Bell System Practices Plant Series Adjustments page 84

SECTION 573-115-700
3.07 Horizontal Tabulator Mechanism (Cont.)
TABULATOR PAWL - VERTICAL (FINAL)
TO CHECK
POSITION SPACING DRUM SUCH THAT REFERENCE
TABULATOR STOP, AS DETERMINED BY PRELIMI-
NARY TABULATOR PAWL ADJUSTMENT (PAR. 3.06), IS
OPPOSITE SHOULDER ON PAWL.
LEVER SLIDE ARM WITH BLOCKING LEVER.
REQUIREMENT
CLEARANCE BETWEEN PAWL AND STOP:
MIN. 0.055 INCH
TO ADJUST
POSITION PAWL ADJUSTING PLATE WITH
BOTH MOUNTING SCREWS LOOSENED.
TIGHTEN RIGHT SCREW ONLY, USING
WRENCH TO PREVENT BUSHING FROM TURNING.
PAWL ADJUSTING PLATE
OPERATING LEVER SLIDE ARM
BLOCKING LEVER
(FRONT VIEW)
TABULATOR PAWL SPRING
REQUIREMENT
MIN. 3 OZS.
TO START PAWL MOVING.
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BLOCK OPERATING
MAX. 0.075 INCH
MAX. 5 OZS.
TABULATOR PAWL
REFERENCE
TABULATOR STOP
TABULATOR PA WL SPRING
BLOCKING LEVER SPRING
TO CHECK
HOLD OPERATING LEVER SLIDE
ARM TO THE REAR.
REQUIREMENT
2·1/2 OZS.
TO START BLOCKING LEVER MOVING.
MAX. 4-l/2 OZS.