Examples include:
* Needle clearance.
* Feed timing.
* Zigzag centering.
* Hook Timing.
* Upper and lower tension.
* Motor belt tightness.
* Wiring connections.
* Troubleshooting.
* More!
16 page service manual.
Elna Stella Models 37 through 57.
Includes Elnita Air Electronic 17.
manualsoncd.com
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sewingmachinemanuals.com
