Teletype 28 - Page 136

SECTIOl'< 573-118-700TC
3. 57 Auxiliary Contact Assembly
Note: The following adjustments
should be made prior to instal-
lation of contact bracket
assembly on the unit.
NORMALLY OPEN
CONTACT SPRING
(A) NORMALLY OPEN CONTACT
SPRING
Requirement
r---------- Min 4-1/2 oz---Max 5-1/2 oz
to move
contact spring away from
its stiffener.
To Adjust
Bend contact spring. Recheck
contact gap.
(B) NORMALLY OPEN CONTACT GAP
Requirement
NORMALLY CLOSED
CONTACT SPRING
I
F
..-------Min 0.020 inch
Max
0. 025 inch
To Adjust
1- Bend stiffener.
SWINGER
CONTACT
SPRING----
SWINGER PAD ------t
CONT ACT BRACKET
ASSEMBLY
\
<ID
em
(C) NORMALLY CLOSED CONTACT
Requirement
L---------------- Min 3 oz--- Max 4 oz
(Rear View)
to move swinger contact away
from normally closed contact.
To Adjust
Bend swinger contact.
FUNCTION BOX
REAR PLATE
~-- MOUNTING BRACKET
MOUNTING BRACKET W
/POST
(D) AUXILIARY CONTACT ASSEMBLY
ACTUATING
LEVER
(Rear View)
Page 136
Requirement
Trip function clutch and rotate until clearance between pad
and actuator is maximum.
L------Min some---Max 0. 008 inch
clearance between swinger pad and actuating lever when play
is taken up to make clearance a minimum.
To Adjust
Loosen mounting screws and position contact bracket assembly
on mounting bracket. It may be necessary to reposition
mounting bracket to meet requirement. Tighten screws.