Direction Contactor
PS
S5.7
5440
F-code
Section
C-code
Version no
T-code
000
© BT Products
191
Service Manual
1997-07-15
armature “tab” into support slot.
Install lower insulator, lower movable contact, and
lower spring seat over armature stem.
Install spring and upper spring seat, upper contact,
upper insulator, lockwasher and nut onto armature
stem. Torque nut to 18-20 in.-lb [2.0-2.4 N
$
m].
28. Remove support and movable contact assembly from
the vice.
29. Assemble the Reverse Contactor Support and Movable
Contact Assembly in the same manner.
30. Now locate the Forward Contactor Support and Movable
Contact Assembly over Bracket (3).
31. Now locate the Reverse Contactor Support and
Movable Contact Assembly over its bracket.
Again, be certain the armature “tab” is pointing inward
toward the center of the contactor base.
32. Install the long lower bus bar and stationary contacts
(having threaded holes in one end) into the grooves
located on the top side of each contactor support. The
cable end of the bus bar should extend outward on the
right hand side of the forward contactor support and
extend outward on the left hand side of the reverse
contactor support. Be certain the notches in the bus bar
and stationary contacts properly seat with the screw
guides of each contactor support.
33. Install the short bus bar and stationary contacts (having
threaded holes in one end) in the same manner as
previously described.
Be certain the notches in each bar fit properly to the
screw guides of each support.
34. Position Insulators (13) over the bus bar/contacts and
supports as shown in illustration on opposite page. Be
NOTE! Be certain the armature “tab” is pointing
inward toward the center of the contactor
base when positioning support over bracket.
Refer to the boxed illustration on opposite
page.
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