10
INSTRUCTIONS FOR MOUNTING
NEW 1-PIECE NORD GEAR REDUCER/GEAR MOTOR
1. Disconnect and unplug from main power source and perform lockout/tagout before attempting to service.
2. Remove rear cover.
3. Remove junction box cover from 1HP motor, disconnect the lead wires from the mixer motor. Loosen the
strain relief and pull the cord thru, attach blue ring terminals to black, white, red and green wires.
4. Remove the paddle assembly from the tub.
5. Remove Item No. SSS10Z, set screw from the end of the mixer drive shaft.
6. Remove Item No. 53516, mixer paddle drive pin from the shaft. Note the position of shims and replace at the same
position with new installation.
7. Loosen the two fasteners to the transmission mounting angle and the two fasteners to the transmission and motor
mounting bracket. With the help of another person, remove the hex nuts from the four mounting fasteners and remove
the mixer transmission and motor assembly. Be careful not to damage tub mixer seal.
8. Attach the new transmission mounting plate, Item No. 57211, to the new gear motor. Use the 7-pc. M8 x 20 hex head
cap screws and lock washers supplied (see drawing for reference). Install new mixer drive shaft, Item No. 53955-N
with key into the hollow shaft of the gear unit. Secure with large at washers, lock washer and hex bolt.
9. With another person, attach the mounting plate with the gear motor onto the existing mounting brackets sliding the
mixer drive shaft through the mixer drive seal. Try not to damage the mixer seal. Note the shim position, and use the
existing fasteners, ½-13 x 1½ hex cap screws, lock washer, and nuts to secure.
10. Insert the mixer paddle drive pin, Item No. 53516. Tighten the set screw, Item No. SSS10Z.
11. Place the mixer paddle assembly back in the hopper and onto the mixer drive shaft.
12. Assemble the lock arm assembly, Item No. 53852, onto the front of the hopper on the paddle assembly.
13. Be sure the transmission mounting plate is tight to the mounting brackets.
14. Does the lock arm assembly turn free with the paddle assembly? If there were shims on the old mixer transmission
assembly to the mounting brackets, you will need to use them again to align the lock arm assembly with the paddle
assembly.
15. Re-attach the electrical cord. Tighten the strain relief on the cord. Be sure all other electrical connections are tight.
CAUTION - BE SURE the motor is connected for the proper voltage - check the arrangement of the jumper straps in
the motor junction box.
16. Plug in the mixer-grinder to power.
17. Check the rotation to the mixer paddle assembly. The direction of the mixer paddle assembly is counter-clockwise.
If the rotation is clockwise, switch two of the three wires to the mixer motor. Check rotation again for the mixer
paddle assembly. The rotation for the mixer paddle and the auger are both counter-clockwise.
18. Re-attach the motor junction box cover.
19. Attach rear cover.
KIT, Item #57212-4K consists of:
NORD GEAR-MOTOR REDUCER, 1¾ HP57212-41 pc.
E-48, OVERLOAD HEATER ELEMENT506693 pcs.
TRANSMISSION MOUNTING PLATE57211-11 pc.
MIXER DRIVE SHAFT FOR NORD53955-N1 pc.
MIXER DRIVE SHAFT SEAL539531 pc.
LOCTITE ADHESIVE FOR SHAFT SEAL53953A-11 pc.
MIXER PADDLE DRIVE PIN535161 pc.
SET SCREW FOR DRIVE PIN, ¼-20 x ¼SSS10Z1 pc.
KEY FOR MIXER DRIVE SHAFT53769-35-11 pc.
WASHER RETAINER FOR MIXER SHAFT53769-471 pc.
HEX HEAD SCREW ½-13 x 1¾, SSHHS128S1 pc.
LOCK WASHER ½, SSLW30S5 pcs.
MOTOR CORD, 14 ga. x 4 WIRE3522042”
TYPE SO
CORD GRIP CONNECTOR535111 pcs.
RING, TERMINAL #10, 16-14 AWG,1773-11 pcs.
INSULATED
HEX HEAD SCREW,HHSM0671S7 pcs.
M10 x 1.5 x 20MM SS
LOCK WASHER, M10 SSLWM25S7 pcs.
HEX HEAD SCREW ½-13 x 1¼, SSHHS126S4 pcs.
SPACER, MOTOR GEAR REDUCER53766-11 pc.
SPACER, CONTROL BOX SUPPORT53786-11 pc.
HEX NUT, ½-13, SSHN42S4 pcs.
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