5
QD8 Quik-Drive Tap-Changer Motor Replacement Kit 57A63675100A
INSTALLATION INSTRUCTIONS
MN225038EN
June 2016
12. Place the motor into the motor relief area of the
molded back panel. Pull the chain under the drive
sprocket gear insuring that the chain fully engages the
sprocket teeth. Pull the chain up and onto the motor
sprocket teeth. If there are any loose links around the
bottom of the drive sprocket gear, the motor will not fit
properly. Refer to Figure 12.
Motor Chain
Molded Back Panel
Motor Relief Area
Figure 12. Locating motor
13. Insure that the Belleville washer is installed over the
motor-mount stud with the cupped side facing in. See
Figure 13.
Belleville
Washer
Figure 13. Belleville washer on the motor mounting
stud
IMPORTANT
Make sure that the mounting hole in the motor mounting
bracket is fully seated on the shoulder of the mounting stud.
If it is not fully seated, the chain may bind and fall off. See
Figure 14 and Figure 15.
14. Move the motor assembly into position with the motor
chain adjustment screw bumper located on top of the
adjustment bracket and the motor pivot stud inserted
through the mounting hole in the motor mounting
plate. Secure the motor mounting plate to the motor
pivot stud with the locknut removed in Step 6. Refer to
Figure 14 and Figure 15. Tighten the nut snugly, but not
tightly.
Mounting Stud
Shoulder
Figure 14. Belleville washer on the motor mounting
stud
Chain Adjustment
Bumper
Motor Chain
Adjustment
Bracket
Figure 15. Motor positioning
