Bell System Practices Plant Series Adjustments page 30

SECTION
573-115-700
Spacing Mechanism
2. 24
RETAINING WASHER
UPPER MOUNTING
SCREW
·
FRONT PLATe
SPACING SHAFT
BEARING
SPACING SHAFT
MOUNTING S CREW
SPACING SHAFT GEAR
Page
30
(B)
SPACING GEAR PHASING
REQUIREMENT
SPACING CLUTCH DISENGAGED.
LINE ON THE SPACING PAWL SHOULD BE
AS NEAR AS POSSIBLE TO THE CENTER OF
THE TWO LINES ON THE PAWL RETAINING
WASHER.
TO ADJUST
(FRONT VIEW)
SPACING GEAR CLEARANCE
REQUIREMENT
CARRIAGE FULLY RETURNED. MINIMUM
BACKLASH OF SPACING GEARS WITHOUT BIND.
TO ADJUST
INSERT SHIMS BETWEEN THE SPACING
SHAFT BEARING AND FRONT PLATE AT
UPPER MOUNTING SCREW TO INCREASE
CLEARANCE AND AT LOWER MOUNTING
SCREW TO DECREASE BACKLASH.
REMOVE THE MOUNTING SCREW FROM
THE SPACING SHAFT GEAR. HOLD
THE PAWLS IN ALIGNMENT AND
ENGAGE THE SPACING SHAFT GEAR
WITH THE CLUTCH GEAR AT A POINT
WHERE THE SPACING SHAFT GEAR
MOUNTING SCREW HOLE IS IN LINE
WITH THE TAPPED HOLE IN THE
SPACING SHAFT AND INSERT THE
MOUNTING SCREW
LOWER MOUNTING SCREW
INDEX
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