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NEMA17 to 70:1 automotive worm Adapter
by jphnny4
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Makes
Dorman 742-125
70:1 worm assembly, GM window application
8.0mm armature shaft
Output is a hollow square drive. The shaft inside the square recess is fixed to the plastic housing.
Unscrew motor can, save screws, discard cannister
Remove brush assembly, discard
cut armature shaft, saving worm portion, discard rest
Make metal 5mm to 8mm coupler to couple shafts.
Mercury Motor or any brand
NEMA 17 stepper
SM-42BYG011-25
Model SM-42BYG011-25
Holding Torque 23.0 N·cm
Rated vol
70:1 worm assembly, GM window application
8.0mm armature shaft
Output is a hollow square drive. The shaft inside the square recess is fixed to the plastic housing.
Unscrew motor can, save screws, discard cannister
Remove brush assembly, discard
cut armature shaft, saving worm portion, discard rest
Make metal 5mm to 8mm coupler to couple shafts.
Mercury Motor or any brand
NEMA 17 stepper
SM-42BYG011-25
Model SM-42BYG011-25
Holding Torque 23.0 N·cm
Rated vol
Makes
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