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2. 22
Signal Contacts
(A)
SIGNAL CONTACT CLEARANCE
To Check
Remove cover plate and signal contact
box cover. Engage the unit clutch and
rotate main shaft slowly until spacing
contact is fully open. Measure the gap.
Continue rotating the main shaft until
marking contact is fully open. Measure
the gap.
Requirement
Marking and spacing contact gaps
measured in To Check to be equal
within 0.001 inch.
To Adjust
Loosen mounting screws and position
contact box using eccentric.
Note:
Before operating, refine SIGNAL
CONTACT CLEARANCE adjustment in
accordance with Signal Contacts -
Electrical.
CAUTION:
PLATED, CLEAN THEM BY PAR
TIALLY DRAWING A STRIP OF
TP107162 TWILL JEAN BETWEEN
THEM.
(B)
DRIVE LINK SPRING
To Check
Trip clutch and rotate main shaft to
stop position.
and move latches away from transfer
bail extension.
against spacing contact.
'
Requirement
Min 6 oz---Max 12
to start transfer bail extension
moving.
IF CONTACTS ARE GOLD
Unhook stabilizer spring,
Hold toggle firmly
ISS 5, SECTIO N 573-127-703
( C)
SIGNAL CONTACT SPRING (T RANS
MITTE R DIST RIBUTOR SETS ONLY)
To Check
Place transmitter in stop position.
Remove contact box cover, and toggle
drive link spring from its link end.
Move transfer bail towards the right
(spacing) position, so that both toggle
contacts are closed.
scale over the pivot screw and pull
ho rizontally to the left.
Requirement
to open left-hand contact.
toggle drive link spring to its link.
CONTACT
BOX
(Top View - Right Side)
Hook an 8- oz
Replace
SIGNAL
CONTACT
SPRING
Page 25
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