Bell System Practices Plant Series Adjustments page 18

SECTION 573-127-700
2. 11 Tape-guide Plate (28B Unit)
TAPE GAUGE
GUIDE TP'l56743
TAPE-GUIDE PLATE
REQUIREMENT
(1),
SHOULDER OF FEED-WHEEL POST SHALL NOT INTERFERE WITH TOP PLATE OR TAPE-GUIDE
PLATE MOUNTING BRACKETS .
TO ADJUST
ROTATE FEED-WHEEL POST WITH ITS MOUNTING NUT LOOSENED.
REQUIREMENT
(2)
TAPE-GUIDE PLATE SHALL REST FIRMLY AGAINST AT LEAST THREE PROJECTIONS OF THE
FRONT AND REAR PLATE.
TO ADJUST
WITH TAPE-OUT DOWNSTOP IN ITS LOWERMOST POSITION, AND TAPE-GUIDE PLATE
MOUNTING BRACKET (FRONT AND REAR) NUTS FRICTION TIGHT, TRIP CLUTCH AND RO­
TATE SHAFT UNTIL SENSING PINS ARE IN THEIR UPPERMOST POSITION. WITH TAPE LID
RAISED AND START-STOP LEVER IN RUN POSITION, PRESS TAPE-GUIDE PLATE INTO POSI­
TION . GUIDE MOUNTING SCREWS INTO NOTCH OF FRONT AND REAR PLATE, AND
PLACE SENSING PINS ADJACENT TO LEFT EDGE OF GUIDE PLATE. PLACE TAPE-OUT PIN
INTO ITS HOLE. TIGHTEN EACH BRACKET MOUNTING SCREW.
(3) REQUIREMENT
OUTER EDGES OF MOUNTING BRACKETS AND OUTER EDGES OF MOUNTING STUD
SHOULDERS SHALL ALIGN AND PROJECT WUALLY ON FRONT AND REAR BRACKETS.
TO ADJUST
MOVE TAPE-GUIDE PLATE TOWARD FRONT OR REAR. TIGHTEN NUTS ONLY AFTER TOP
.fbill. I S ADJUSTED.
Page 18
TAPE GUIDE
REQUIREMENT
WITH GAUGE PROPERLY POSITIONED:
MIN . SOME
MAX. 0.003 INCH
BETWEEN GAUGE AND TAPE GUIDES .
TO ADJUST
LOOSEN TAPE-GUIDE MOUNTING NUTS TO
FRICTION TIGHT. PROPERLY POSITION GAUGE
ON TAPE-GUIDE PLATE. POSITION TAPE
GUIDES TO MEET REQUIREMENT.
(IF Ndf PRESENT ON UNIT,
DISREGARD INSTRUCTIONS
PERTAINING TO START-STOP
LEVER.)
MOUNTING STUD SHOULDER
FRONT-PLATE PROJECTION
TAPE-GUIDE PLATE
TAPE-GUIDE PLATE
MOUNTING BRACKET