Singer 600-603 Sewing Machine Service Manual.
Includes:
* Parts removal and replacement.
* Upper and Lower tension.
* Thread clearance.
* Time the rotating sewing hook.
* Presser bar removal and replacement.
* Needle bar adjustments.
* Remove/replace feed dog.
* Thread clearance.
* Winding mechanism.
* Needle, thread tension assembly.
* Hook driving shaft.
* Hand wheel and stitch regulator.
* Remove and replace motor.
* Inspection and lubrication.
* Wiring diagram.
* Much more.
Covers models: 600 and 603
47 page service manual.
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