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Brother LH4-B814-3 User Manual

Brother LH4-B814-3
37 pages
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INSTRUCTION
MANUAL
FOR
BROTHER MODEL LH4-B814-1
,-2,-3
High
Speed
Buttonhole
Sewing
Machine
BROTHER
INDUSTRIES,
LTD.
NAGOYA,
JAPAN.
From the library of: Superior Sewing Machine & Supply LLC
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Brother LH4-B814-3 Specifications

General IconGeneral
BrandBrother
ModelLH4-B814-3
CategorySewing Machine
LanguageEnglish

Summary

Setting Up and Running the Machine

How to Fix the Motor

Guide for installing and fixing the motor to the sewing machine.

Setting Machine Head on Table

Instructions for mounting the sewing machine head onto the table.

How to Use the Machine

Emergency Stop Procedure

How to stop the machine instantaneously in case of emergencies.

Adjustment Procedures

Regulating Upper Thread Tension

Adjusting upper thread tension for purl and whip stitch.

Timing the Hook and Needle

Setting the correct timing for the hook and needle engagement.

Adjusting Buttonhole Width and Position

Adjusting zigzag width and placement for buttonholes.

Buttonhole Slot and Length

Setting the desired slot and length for buttonholes.

Trouble Shooting

Thread Breaks

Common causes and solutions for thread breakage during operation.

Stitch Skipping

Diagnosing and fixing issues causing skipped stitches.

Thread Coming Off

Identifying reasons for thread coming off the machine.

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