S_PG_SS_Ind_20U.qxp

20.10.2005

12:39 Uhr

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SINGER Single Needle Lockstitch, Straight and Zigzag Sewing Machines

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Artisan & Industrial Sewing Machines

General Applications

Single needle lockstitch zigzag machine for a wide range of materials from light to medium heavy fabrics. Embroidery can also be accomplished on these varieties.

Features

Independently adjustable and variable forward and reserve feed system facilitates ease of backstitching. Stitch width can be adjusted freely by using a knee operated bight control. Stitch width can also be fixed. 20U83 hook has advancing and retarding mechanism to keep needle and hook in correct relationship even at widest bights (max. bight 12 mm). Easily convertible to embroidery or zigzag or straight stitching. Provided with a needle position control device which makes it possible to produce buttonholes. Built-in bobbin winder.

General Specifications

Zigzag stitch width 9 mm - 12 mm. Straight stitching at speeds up to 2,500 s.p.m. can be achieved by means of a needle bar frame locking device. Bed dimensions:
Variety 20U73/83 Length in mm 15 3/Width in mm Space to right of needle in mm 83/16 208
Machine pulley size: 2.9 (74 mm) Motor required: SINGER clutch motor low speed 1/3 H.P. or 1/4 H.P., 4 pole. Needle Cat.No 1910-05

Specification Chart

Variety 20U73 20U83 Feed type Max. Stitch Length s.p.i. mm 5 5.0 Max. zigzag width in mm 11/32 15/32 9.0 12.0 Applications Straight and zigzag seaming and embroidery.
Drop feed and reverse feed. The reverse lever is spring loaded.
Regular fittings supplied with 20U machines

Variety

20U73 20U83
Zigzag seaming Straight seaming Zigzag seaming Straight seaming

Maximum sewing speed

By restricting the width of zigzag stitching to

Presser foot

606651 606693

Feed dog

606502 606697

Throat plate

606402 606695
no more than required for the work, it is possible to use the machine at the highest possible speed. This chart shows maximum speeds related to zigzag bight.
Variety 20U73 Variety 20Umm (3/16) 2,500 S.P.M. 12 mm (15/32) 1,800 S.P.M. 9 mm (11/32) 2,000 S.P.M.
Attachments supplied with 20U73
Hemmer foot 1/8 (3.2 mm) P/N606694 Zipper foot P/N606691 Presser foot for making free-hand buttonholes P/N 606692
Note: The maximum speeds are also dependent on materials and type of operation.
SINGER is a registered trademark of The Singer Company Limited or its affiliates; 2005 The Singer Company Limited