Singer 20U-125C User Manual

Name: Singer 20U-125C
Brand: Singer
Rating: 5 (1 reviews)

58 pages

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Zigzag Sewing Machine

Instruction Maqnual

and Parts List

SINGER and the Cameo "S" Design are exclusive trademarks of The Singer Company Limited S.à r.l. or its Af liates.

105 / 105C

125 / 125C

Table of Contents2
Safety Instructions4
Important Safety Instructions4
For Safe Operation5
Product Description and Machine Specification6
Product Description6
Machine Specification7
Motor, Motor Pulley and V-Belt Specifications7
Relationship between Zigzag Bight and Maximum Speed7
Oil Reservoir Installation9
Belt Cover Installation10
Lubrication11
Needle and Thread12
Inserting the Needle12
Bobbin Case Attachment13
Bobbin Thread Winding14
Bobbin Case Threading and Replacement15
Machine Threading17
Stitch Length Adjustment18
Presser Foot Pressure Adjustment18
Needle Thread Tension Adjustment19
Thread Take-Up Spring Adjustment19
Bobbin Thread Tension Adjustment20
Needle Position Selector20
Stitch Width Regulator21
Zigzag Stitch Width Control21
Needle Bar Frame Clamp Device22
Straight and Zigzag Stitch Fitting23
Spool Cap Usage24
Thread Anti-Spill Net Usage25
Knee Lifter Installation25
Fittings for Buttonhole Stitching28
Fittings for Hem Sewing28
Fittings for Zipper and Cord Sewing29
Maintenance30
Machine Head Cleaning30
Lubrication30
Safety Inspection30
Troubleshooting31
Parts List32
Face Plate, Arm Top Cover and Arm Side Cover Components33
Thread Take-Up, Arm Shaft and Handwheel Components35
Needle Bar, Presser Bar and Needle Plate Components37
Zigzag Triangular Cam and Hook Advancing Crank Components39
Bight Amplitude and Bight L-C-R Position Components41
Arm Shaft (Upright) and Rotating Hook Drive Shaft Components43
Hook and Bobbin Case Components45
Feed Regulating Dial and Feed Reverse Lever Components47
Feed Mechanism Components49
Presser Bar Lifter and Thread Tension Components51
Thread Stand Components53
Accessories and Attachments55
Belt Cover Components57

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Singer 20U-125C Specifications

General

Type	Industrial Sewing Machine
Stitch Type	Straight, Zigzag
Operation	Manual
Needle Threader	No
Model	20U-125C
Buttonhole Styles	4-step
Presser Feet	zipper, buttonhole
Included Accessories	Needles, bobbins, screwdriver

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Singer 20U-125C User Manual

Table of Contents

Questions and Answers:

Singer 20U-125C Specifications

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