Singer 20U31 User Manual

Service Manual
SINGER*
20u31/33/35
MACHINES
THE SINGER COMPANY

Singer 20U31 Specifications

General

Brand	Singer
Model	20U31
Category	Sewing Machine
Language	English

Summary

SET NEEDLE BAR CORRECT HEIGHT

NEEDLE AND ROTATING HOOK TIMING

TIME ROTATING HOOK

Procedure to synchronize the rotating hook with the needle's movement.

CHECK NEEDLE AND ROTATING HOOK TIMING

Verifying the timing relationship between needle and hook at all positions.

ADJUST NEEDLE LOCATION IN THROAT PLATE

SET FEED DOG CORRECT HEIGHT

SET PRESSER BAR CORRECT HEIGHT

TIMING THE FEED