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Siruba 747L User Manual

Siruba 747L
40 pages
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700L
使用說明書與零件圖
ORIGINAL INSTRUCTIONS BOOK & PARTS LIST

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Siruba 747L Specifications

General IconGeneral
BrandSiruba
Model747L
CategorySewing Machine
LanguageEnglish

Summary

General Safety Instructions

Important Safety Instructions

Installation

How to Operate the New Machine

Threading the Machine

Procedures for Three, Four, and Five Threading

Step-by-step guides for threading the machine with different thread counts.

Adjust Thread Tension

Thread Tension Adjusting Nuts and Their Functions

Explains how to adjust thread tension using specific nuts and their effects.

Needle Thread Control Mechanisms

Details the control mechanisms for needle thread tension.

Looper and Chainstitch Thread Control

Describes the control methods for looper and chainstitch thread tension.

Replace the Needle

Needle Replacement Procedure

Step-by-step instructions for replacing the needle.

Adjust the Stitch Length

Stitch Length Adjustment Method

Explains how to adjust the stitch length based on fabric and other factors.

Adjust the Differential Feed Ratio

Differential Feed Ratio Adjustment Methods

Details two methods for adjusting the differential feed ratio.

Replace the Trimmers

Upper and Lower Trimmer Replacement Procedures

Provides instructions for replacing both the upper and lower trimmers.

Adjust the Hem Width

Hem Width Adjustment Procedure

Step-by-step guide for adjusting the hem width.

Adjust the Needle Height

Needle Height Adjustment Procedure

Explains how to adjust the distance from the needle tip to the needle plate.

Adjust the Presser Foot

Presser Foot Position Adjustment

Details how to adjust the position of the presser foot.

Adjusting Presser Foot Lift Amount

Explains how to adjust the lift amount of the presser foot.

Adjust the Feed Dog

Feed Dog Height Adjustment

Procedure for adjusting the height of the main and differential feed dogs.

Feed Dog Horizontal Adjustment

Ensures the feed dog teeth remain parallel to the needle plate during operation.

Adjust Chainstitch Looper Movement Amount

Maintenance

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