Bell 28E Adjustments page 17

Transmitter distributor unit, at&tco standard
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2.14
Tight-Tape Mechanism
START-STOP SWITCH BRACKET (For Units Equipped with
To Check
Place intermediate tight-tape arm to
center of its adjusting range with the
contact arm.
(1)
Requirement
Tight-tape start-stop contacts to:
(a)
Remain closed when tight­
tape bail is raised
Open as bail is raised to
(b)
0.075
To Adjust
(a)
Loosen tight-tape intermediate
arm clampscrew. Position pry
point midway in contact operating
arm adjusting slot.
clampscrew.
(b)
Loosen switch bracket screws
friction tight. Position contact
pile-up to meet requirement.
(2)
Requirement
Contact arm to fully engage insulated
part of switch swinger.
To Adjust
Loosen contact pile-up mounting
screws.
Position contact pile-up
mounting bracket.
ing screws.
TIGHT-TAPE BAIL
Tape Lid Sensing Lever)
0.045
inch
inch.
Retighten
Retighten mount­
TIGHT-TAPE
INTERMEDIATE ARM
CLAMP-
SCREW
P RY
5,
ISS
CONTACT
C O NTAC T PILE-UP
ARM
MOUNTING SCREWS
0
0
0
(Top View)
MOUNTING SCREWS
PRY
POINT
573-127-703
SECTION
SWITCH BRACKET
Page 17

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