Printed on Quality paper

for

SINGER

Class 20U

SEWING MACHINES

like the

  20U11, 20U13, 20U31, 20U33, 20U35, 20U42, 20U43, 20U51, 20U53, 20U62, 20U63, 20U73, 20U83, 20UX142 20UX143, and others

********

Includes:

Timing and Adjusting Instructions,

Inspection and Replacement of Machine Parts

for

Description:

Class 20U

Singer Sewing Machines

*********

This is NOT a standard "Xerox"

copy of the Singer manual!

This listing is for a professional reproduction of the Singer Manufacturing Co. Service Manual for Class 20U sewing machines. This is NOT a standard "Xerox" copy of the Singer manual.

Unlike old original manuals that have become frail, brittle, mildewed, stained and yellowed after so many years, this manual is a new reproduction of the original Singer manual that has been printed on quality paper, with a heavy weight cover.

This 28-page Service Manual is complete and very clean with no "black dots," smudges, stains, or any other imperfections. No pages are missing, dirty, or damaged.

Printed on quality white paper, with a heavy weight cover.

The printed manual is super clean with no stains or any imperfections.

The manual includes descriptions and illustrations which will show you how to do the following:

·       Sewing Defects and Adjustments

·       Set Needle Bar at Correct Height

·       Relation Between Needle and Rotating Hook

·       Adjust Sidewise Movement of Needle

·       Adjust Needle Location in Throat Plate Hole

·       Eliminate Sidewise Movement of Needle

·       Bight Amplitude Regulator

·       Needle Selector Mechanism

·       Setting Left Needle Position

·       Setting Right Needle Position

·       Final Adjustment of Needle Location

·       Obtain Uniform Straight Stitch

·       Set Feed Dog at Correct Height

·       Centralize Feed Dog in Throat Plate Slots

·       Sidewise Setting of Feed Dog

·       Set Pressure Bar at Correct Height

·       Timing the Feed

·       Positioning the Feed and Feed Lifting Eccentric

·       Feed Forked Connection

·       Feed Rock Shaft Crank

·       Feed Lifting Rock Shaft Crank Connecting Rod

·       Feed Lifting Rock Shaft Crank

·       Adjustment of Tension

·       Take-up Spring Tension

·       Take-up Spring Height

·       Adjustment of Backlash

These are detailed instructions and illustrations to make it easy to understand and carry out the maintenance procedures.

Must have Instructions

for every owner

of a Class 20U

Singer Sewing Machine!