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Manuals
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Singer Manuals
Sewing Machine
20U31
Service manual
Singer 20U31 Service Manual
Artisan machines
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Service manual
(24 pages)
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Table of Contents
Contents
Description
Specifications
Sewing Defects and Adjustments
To Set Needle Bar at Correct Height
Relation between Needle and Rotating Hook
To Time the Rotating Hook
Check Timing of Rotating Hook and Needle
To Adjust Sidewise Movement of Needle
Adjustment
To Adjust Needle Location in Relation to Needle Hole in Throat Plate
Bight Amplitude Regulator and Needle Position
Adjustment to Obtain Maximum Zigzag Stitch Width
Setting the Center Needle Position
Setting the Left Needle Position
Setting the Right Needle Position
Final Adjustment of Needle Location
To Obtain Uniform Straight Stitch
To Set Feed Dog at Correct Height
To Centralize Feed Dog in Throat Plate Slots
Sidewise Setting
To Set Presser Bar at Correct Height
Timing the Feed
Adjustment of Tension
Thread Take-Up Spring Tension
Thread Take-Up Spring Height
Adjustment of Backlash
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Contents
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Specifications
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Description
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Sewing Defects and Adjustments
5
To Set Needle Bar at Correct Height
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This manual is also suitable for:
20u33
20u35
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