6
QD8 Quik-Drive Tap-Changer Motor Replacement Kit 57A63675100A
INSTALLATION INSTRUCTIONS
MN225038EN
June 2016
Motor
Mounting
Plate
Belleville
Washer
Locknut
Motor Pivot Stud
Figure 16. Motor mounting plate properly seated on
the mounting stud shoulder. Notice that there is no
gap between the motor mounting plate and Belleville
washer.
15. Adjust the chain tension by turning the motor bumper
screw with a blade screw driver. Adjust the motor
mount bumper screw until 1/4" deflection exists when
exerting pressure on the chain. Secure the motor
mount bumper screw in place with the locknut using a
7/16" wrench. Refer to Figure 17.
Locknut
Motor Mount
Bumper Screw
Figure 17. Chain tension
16. Using a torque wrench tighten the pivot motor stud locknut
to 180–192 in-lbs (20.0–21.1 Nm). See Figure 16.
17. Trim the motor wires with a diagonal cutter to a length
of 8 inches. Crimp one of the supplied ring tongue
connectors to the end of each wire.
18. Attach the terminals to the motor connection points on
the terminal board as follows:
●
White wire connects to terminal G
●
Red wire connects to terminal #6
●
Blue wire connects to terminal #2
Refer to Figure 18.
Figure 18. Wiring connections
19. Use the wire ties provided in the motor replacement kit
to bundle all the wires near the terminal board. Trim the
excess length of the wire ties. Refer to Figure 19.
Figure 19. Wire fastening
20. Ensure that the tap-changer is in the neutral position
when the work is completed.
