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SECTION 573-127-703
3 .17
Tape Notch Sensing Mechanism
TOP PLATE
I
NOTCH SENSING PIN
TAPE NOTCH CONTACT
A S SEMBLY SWINGER
(Front View)
Page 50
(A)
TAPE NOTCH SENSING PIN SPRING
To Check
Place sensing pin in highest position.
Requirement
to push sensing pin flush with surface
of top plate.
(B)
TAPE NOTCH SENSING CONTACT
(1)
To Check
Check the location of the insulator
with relation to the extension on
sensing pin.
Requirement
Insulator on swinger should be
centrally located with respect to
the extension on sensing pin.
To Adjust
Loosen contact assembly mounting
screws. Position contact assem
bly to meet requirement. Re
tighten mounting screws.
(2)
To Check
Place sensing pin flush with top
plate. Check clearance between
sensing pin extension and insula
tor of contact swinger. Check
gap between normally open contacts.
Requirement
To Adjust
Bend swinger to meet require
ment.
(3)
To Check
Hold sensing pin extension away
from swinger.
Requirement
to just separate normally closed
contacts.
To Adjust
Bend lower contact spring to
meet requirement.
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