Bell System Practices Plant Series Adjustments page 41

2. 29 START-STOP Switch Assembly (28B Unit)
START -STOP BAIL YIELD SPRING
TO CHECK
PLACE START-STOP LEVER IN RUN
POSITION .
REQUIREMENT
MIN. 4 OZS.
MAX. OZS.
6
TO SEPARATE BAILS.
(1)
WITH START-STOP LEVER IN RUN POSITION:
MIN.
0.006
MAX. 0.015
CLEARANCE BETWEEN SWITCH ACTUATOR
AND BAKELITE PAD ON SWINGER.
(2) REQUIREMENT
START-STOP AND TIGHT-TAPE SWITCH AC­
TUATORS SHOULD FULLY ENGAGE BAKELITE
PAD ON SWINGER.
TO ADJUST
POSITION SWITCH BRACKET WITH ITS
MOUNTING SCREWS LOOSENED.
IF TIGHT - TAPE SWITCH ACTUATOR RESTS
AGAINST BAKELITE PAD, HOLD ACTUATOR
AWAY.
INCH
INCH
NOTE
START-STOP SLIDEARM
TIGHT-TAPE SLIDEARM
ISS 3, SECTION 573-127-700
YIE L D BAIL
START-STOP
SLIDEARM
ASSEMBLY
Page 41