NOTE: UNIT NOT FOR SALE  
 OUR COMPANY HAS PUT TOGETHER A REPLACEMENT GEARS. 
Unit came out in the 2000 range with 3 versions looks.
To rebuild drive  gear box
PICK A GEAR SOLD EACH
A- 6x10 Worm Gear  Tight
B- 24122B Loose
C- 26T 3mm Tight
D-12T 3mm half moon Tight In house P22 Special Gear
Note: Pins, Plate, Motor, Belt, Belt , Pulley Not included