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Singer 143W2 User Manual

Singer 143W2
12 pages
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Singer 143W2 Specifications

General IconGeneral
BrandSinger
Model143W2
CategorySewing Machine
LanguageEnglish

Summary

Singer 143W2/143W3 Machine Description

High Speed Machine 143W2

Machine 143W2 for overseaming/zigzag on fine lingerie, fabrics, light leather.

Machine 143W3

Machine 143W3 similar to 143W2, for basting and tacking coat pads.

Singer Machine Oiling Points and Procedures

Needle and Bobbin Threading Guidelines

Needle Selection and Sizing

Needle types (135x7), sizes (7-24), and relationship between needle and thread size.

Bobbin Winding and Bobbin Case Threading

Winding the Bobbin

Steps for winding the bobbin, including guides, tension, and securing.

Threading the Bobbin Case

Steps to thread the bobbin into the bobbin case and through the tension spring.

Needle Setting and Machine Threading

Setting the Needle

Instructions for inserting the needle into the needle bar and tightening the set screw.

Threading the Needle

Detailed steps for guiding thread through various points and the needle eye.

Preparing to Sew and Starting Operation

Preparing for Sewing

Catching the bobbin thread with the needle thread to prepare for stitching.

Commencing Sewing

Instructions on placing material and starting the sewing process.

Singer Machine Operation and Troubleshooting

Adjusting Presser Foot Pressure

Regulating presser foot pressure for proper material feeding.

Stitch and Tension Regulation

Understanding Stitch Quality

Illustrations of perfect, tight needle, and loose needle thread tension.

Regulating Tensions

Instructions for adjusting needle and bobbin thread tensions using specific screws.

Adjusting Stitch Length and Width

Adjusting Stitch Length

Using the stitch regulator lever and flange to set stitch length.

Instructions for Adjusters and Mechanics

Needle Bar and Frame Setting

Needle Vibrator Gear Shaft and Timing

Sewing Hook Timing and Removal

Timing the Sewing Hook

Aligning the sewing hook with the needle for correct timing.

Belt Replacement and Arm Shaft Removal

Arm Shaft and Feed Mechanism Maintenance

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