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Brother PS-57 User Manual

Brother PS-57
77 pages
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7. 2001.
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Table of Contents

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Brother PS-57 Specifications

General IconGeneral
BrandBrother
ModelPS-57
CategorySewing Machine
LanguageEnglish

Summary

General Information

Caution

Important safety precautions and warnings for using the sewing machine and its components.

Disassembling and Reassembling the Sewing Machine

Disassembling and Reassembling the Outer Parts and Main Parts

Step-by-step guide for removing the external covers and major internal components of the sewing machine.

Mechanical Adjustment Standards and Adjustment Procedures

Upper Shaft and Lower Shaft Timing

Procedure for aligning the timing marks of the upper and lower shafts for correct operation.

Timing of Needle and Rotary Hook Assembly (Clearance Between the Needle and the Rotary Hook Point)

Procedure for synchronizing the needle and rotary hook for proper stitch formation.

Thread Tension Dial Tension

Calibrating the thread tension dial for accurate thread tension settings.

Button Hole Stitch Left Reverse Stitch and Right Forward Stitch Length

Ensuring equal stitch lengths for left reverse and right forward stitches in buttonholes.

Button Hole Stitch Bar Tack Feed Adjustment

Adjusting the feed distance for bar tack stitches in buttonholes.

Button Hole Stitch Button Hole Length

Setting the correct length for buttonhole stitches based on button size.

Inner Rotary Hook Tension

Adjusting the thread tension for the inner rotary hook.

Troubleshooting Procedures

Machine skips stitches.

Diagnosing and correcting the problem of skipped stitches during sewing.

Fabric does not feed.

Troubleshooting steps for when the fabric is not feeding correctly.

Needle breaks

Identifying reasons for needle breakage and how to prevent it.

Improper length of buttonhole legs

Adjusting buttonhole leg length for proper buttonhole formation.

Improper buttonhole size against button size

Ensuring buttonhole size matches the intended button.

Needle hits needle plate when pattern selector dial is turned

Diagnosing and fixing when the needle strikes the needle plate during pattern selection.

Motor does not run

Diagnosing and resolving issues preventing the motor from running.

How to Adjust Electronic Elements (STAR240E, STAR230E Only)

Main motor does not operate.

Diagnosing why the main motor is not functioning.

Operation of main motor is not stable or maximum speed operation is not possible

Resolving issues with unstable main motor operation or inability to reach maximum speed.

The motor starts, then stops immediately.

Troubleshooting motor startup problems where it stops shortly after starting.

Sewing machine does not operate normally when foot controller pressed

Diagnosing and fixing abnormal operation when using the foot controller.

When the sewing machine starts, the warning buzzer buzzes and it stops immediately.

Troubleshooting situations where a warning buzzer sounds and the machine stops immediately.

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