Singer 717 School (Scholastic) - Hook Gear Set (Spiral Miter / Bevel 18T)
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Replacement hook drive gears for Singer 717 School sewing machines. Spiral miter design (18 Tooth)
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Updated at source:
Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution
Product Compatibility
Machine Model: Singer 717 School (Scholastic)
Replaces Part Numbers: #163997 (Vertical) & #163329 (Horizontal)
Specifications
Type: Spiral Miter Gear (Bevel)
Teeth: 18T
Ratio: 1:1
OD: 24mm
Vertical Gear ID: 15.5mm (Diameter)
Horizontal Gear ID: 14.5mm (Diameter)
Source Geometry: Based on McMaster-Carr P/N 7655K1
Print Settings
Material: PETG or Nylon.
Layer Height: 0.2mm.
Walls: 4+ Perimeters.
Supports: Recommended (Safe option).
Installation
Remove the bulk of the old crumbly gear from the metal hubs of the old gears. Fit the new gear onto the metal hubs with CA Glue (Superglue). Apply PTFE grease to gear teeth after glue cures.