Bell System Practices Plant Series Adjustments page 103

3. 27 Vertical Tabulation and Transmitter Distributor Control Mechanism
(C) PAGE FEED-O UT GEAR PLAY
REQUIREMENT
BARELY PERCEPTIBLE BACKLASH BETWEEN IDLER
GEAR AND FEED-OUT GEAR
TO ADJUST
POSITION GEAR PIVOT POST WITH NUT
LOOSENED.
NOTE: GEARS SHOULD MESH ACCURATELY
WHEN CHECKED AT
AROUND CIRCUMFERENCE OF GEAR.
..
(INNER LEVER)
PAGE FEED-OUT
(B) MOUNTING BRACKET
REQUIREMENT
CLEARANCE BETWEEN FEED-OUT BLOCKING LEVER (INNER LEVER) AND FEED-OUT SLIDE
1.
MIN. SOME---MAX.
TO CHECK
SELECT UPPER CASE
MOST FORWARD POSITION. TAKE UP PLAY IN PAGE FEED-OUT BLOCKING LEVER TO
MAKE CLEARANCE A MINIMUM.
CLEARANCE BETWEEN VERTICAL TAB SLIDE AND VERTICAL TAB BLOCKING LEVER (OUTER
2.
LEVER) --- MIN.
TO CHECK
SELECT UPPER CASE "J" AND ROTATE MAIN SHAFT UNTIL VERTICAL TAB SLIDE IS IN ITS
MOST FORWARD POSITION. TAKE UP PLAY IN VERTICAL TAB BLOCKING LEVER TO MAKE
CLEARANCE A MINIMUM.
TO ADJUST
POSITION LOWER PORTION OF MOUNTING BRACKET WITH MOUNTING SCREWS LOOSENED.
EQUAL DISTANCES
3
BLOCKING LEVE
PAGE FEED-OUT SLIDE
0.020
AND ROTATE MAIN SHAFT UNTIL PAGE FEED-OUT SLIDE IS IN ITS
"Z"
INCH
0.002
INDEXING DISK
(E)
TO CHECK
IDLER GEAR
TO ADJUST
MOUNTING BRACKET
MOUNTING SCREW
(A) VERTICAL TABULATOR SLIDE RETAINER
REQUIREMENT
TO ADJUST
INCH
ISS 7, SECTION 573-115-700
(D) BLOCKING LEVER
SEE PAR.
3.28
CLEARANCE BETWEEN INDEX PLATE AND
PAWL SHOULD BE
MIN. INCH---MAX.
0.015
LINE FEED CLUTCH DISENGAGED. INDEX
PLATE ADJACENT TO PAWL. SLACK IN
GEARS TAKEN UP TO MAKE GAP A MIN­
IMUM.
PULL FEED-OUT GEAR OUT OF ENGAGE­
MENT WITH IDLER GEAR. TURN FEED-OUT
GEAR HAND WHEEL CLOCKWISE UNTIL
INDEX PLATE JUST OPERATES THE PAWL,
THEN ENGAGE FIRST TOOTH ON IDLER.
POSITION INDEXING DISK WITH THREE
MOUNTING SCREWS LOOSENED.
CLEARANCE BETWEEN VERTICAL TAB SLIDE
AND RETAINING EDGE OF RETAINER
SHOULD BE
MIN. SOME---MAX.
0.012
POSITION RETAINER FORWARD AND' LO­
CATE IT UP OR DOWN WITH MOUNTING
SCREWS LOOSENED.
BLOCKING LEVER
INCH
0.040
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