Singer 246-3 User Manual

SINGER
246-3 AND 246-5

Singer 246-3 Specifications

General

Type	Mechanical
Stitch Type	Straight, Zigzag
Bobbin Type	Class 15
Stitch Length	Adjustable
Stitch Width	Adjustable
Presser Feet	Various

Summary

Oils and Lubricants

Use Singer Oils and Lubricants

Guide on using Singer oils and lubricants for sewing equipment longevity.

Other Singer Lubricants

Lists and describes Type E (Thread) and Type F (Motor) lubricants.

To Oil the Machine

Threading Instructions

To Prepare for Threading

Steps to prepare the machine and components for threading operations.

To Thread the Needle

Detailed steps for threading the needle for various stitch types.

To Thread the Unwinder

Procedures for threading the unwinder for three-thread stitches.

To Thread the Right Looper

Instructions for threading the right looper for specific stitch types.

To Thread the Left Looper

Instructions for threading the left looper for specific stitch types.

To Thread the Machine for Two-Thread Overedge Stitch

Procedures for threading the machine for a two-thread overedge stitch.

Tension and Pressure Adjustments

To Regulate the Tensions

Adjusting thumb nuts for needle and looper thread tensions.

To Regulate the Pressure on the Material

Adjusting presser foot pressure using a thumb screw.

To Check the Curvature of the Needle

Using a gauge to check needle blade curvature before adjustments.

Feed Dog and Needle Carrier Adjustments

To Change the Length of Stitch

How to modify the stitch length using feed eccentrics for different stitch counts.

To Gather the Material

Adjusting feed dogs for gathering material by setting stitch lengths.

To Stretch the Material

Adjusting feed dogs for stretching material by setting stitch lengths.

To Set the Feed Dogs at Their Correct Height

Procedure to set the correct height of feed dogs using a gauge.

To Tilt the Feed Dogs

Instructions for tilting feed dogs for specific stitch formations.

To Set the Needle Carrier at the Correct Height

Procedure to set the needle carrier height using a gauge.

To Set the Feed Dogs at Their Correct Height

Procedure to set the correct height of feed dogs using a gauge.

To Set the Needle Carrier at the Correct Height

Procedure to set the needle carrier height using a gauge.

Looper Adjustments

To Set the Left Looper in Relation to the Needle

Aligning the left looper with the needle for proper stitch formation.

To Set the Right Looper in Relation to the Needle

Aligning the right looper with the needle for proper stitch formation.

To Set the Left Looper in Relation to the Needle

Aligning the left looper with the needle for proper stitch formation.

To Set the Right Looper in Relation to the Needle

Aligning the right looper with the needle for proper stitch formation.

Thread Controller and Take-Up Adjustments

To Adjust the Needle Thread Controller

Adjusting the needle thread controller for proper thread flow.

To Set the Looper Take-Up-(LEFT)

Setting the left looper take-up arm for correct thread delivery.

To Set the Looper Take-Up-(RIGHT)

Setting the right looper take-up arm for correct thread delivery.

To Set the Left Looper Thread Eyelet

Adjusting the left looper thread eyelet position for optimal thread path.

Knife and Trimmer Adjustments

To Adjust the Stationary Knife for Width of Bight

Adjusting the stationary knife to determine the width of the bight.

To Adjust the Movable Knife in Relation to the Stationary Knife

Aligning the movable knife with the stationary knife for proper cutting.

To Remove the Movable Knife

Procedure for removing the movable knife from its holder.

To Replace the Movable Knife

Procedure for replacing the movable knife into its holder.

Knife Sharpening

To Sharpen the Trimmer Knives

Instructions for sharpening trimmer knives using Singer grinding machines.

Stitch Formation

Three Thread Tight Stitch

Detailed explanation of the formation of the three-thread tight stitch (Federal Stitch Type 504).