Bell System Practices Plant Series Adjustments page 32

SECTION 573-127-700
2. 20 Pivoted Sensing Head (Cant)
(B) TAPE-RETAINING LID LATCH
(l) REQUIREMENT
MIN. 8 OZS.
MAX. 14 OZS.
TO START TAPE-RETAINING LID
LATCH SPRING MOVING AWAY
FROM TOP PLATE.
TO ADJUST
BOW LID LATCH SPRING WITH
FINGERS.
SPRING FROM YOKE.
(2) REQUIREMENT
NO PLA Y BETWEEN TAPE-RETAIN­
ING LID AND TOP PLATE WHEN
LATCHED.
TO ADJUST
POSITION LID LATCH SPRING
WITH ADJUSTING SCREW LOOSENED.
BE SURE LID LATCH SPRING
ALIGNS WITH LID ON TAPE­
RETAINING LID.
Page 32
DO NOT REMOVE
NOTE
ADJUSTING
ADJUSTING
SCREW
ADJUSTIN
SCREW
(A) TOP PLATE
(1) REQUIREMENT
SPACING BETWEEN VERTICAL FEED WHEEL
PIN AND SENSING PINS
TO ADJUST
WITH PIVOTED SENSING HEAD AGAINST
ITS BACKSTOP, TRIP CLUTCH AND RO­
TATE SHAFT UNTIL SENSING PINS ARE IN
UPPERMOST POSITION. LOOSEN TOP­
PLATE MOUNTING SCREWS.
GAUGE TP159133 ON TOP PLATE.
TION TOP PLATE UNTIL FRONT EDGE OF
GAUGE TOUCHES VERTICAL FEED PINS,
AND ALL FIVE SENSING PINS TOUCH REAR
EDGE OF GAUGE. RECHECK REQUIRE­
MENT.
(2) REQUIREMENT
TAPE-RETAINING LID MUST CENTER
OVER TOP PLATE (GAUGE VISUALLY).
TO ADJUST
REFINE REQUIREMENT NO. 1.
-0.300 INCH.
PLACE
POSI­
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