Sears Kenmore 148.12190 Zig Zag Cam Gear
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Replacement gear for mechanism that controls the zig zag functionality for the Sears Kenmore 148.12190.
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This 3D printed gear is meant to serve as a direct replacement for the Zig Zag Cam Gear in the Sears Kenmore 148.12190 series of sewing machines. This was designed and tested on a customer's machine and made through my custom gear service listed below.
If you are unable to print this gear yourself, I offer a printed version for sale on Etsy.
https://veritylabsolutions.etsy.com/listing/4607314704/replacement-3d-printed-zig-zag-cam-gear
If you have another gear that is not this exact machine model, please look into getting a custom gear made through the following link, or if this gear does not work on your machine, you will be offered a discount to my custom gear service.
https://veritylabsolutions.etsy.com/listing/4592314880
Printing
Material: PLA
Nozzle: 0.4 mm
Layer Height: 0.10 mm
Seam: Random
Supports: None
Installation
Remove zig zag cam assembly from your machine.
Remove broken/worn gear.
Place cam assembly in the freezer for minimum 30 minutes.
Using the included spacer, align gear with knurled surface, then with a mallot, gently tap on the spacer to seat the gear into place. Fine tune with a flat head screwdriver.
Gear Dimensions
OD: 20 mm
ID: 13.5 mm
Teeth: 22
Helical Angle: 25°