Singer 500 and 503 Sewing Machine Service Manual.
43 pages of great information.
Great diagrams!
Here are just a few examples of what’s included in this manual:
* Timing The Rotating Hook.
* Wiring Diagram
* Setting Feed Dog Height.
* Setting Needle Bar Height.
* Checking Needle Position.
* Setting Thread Clearance.
* Winding Mechanism.
* Machine Lubrication.
* Motor Lubrication.
* Hints for adjusters and mechanics.
* Plus much more!
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