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Brother KH-930 User Manual

Brother KH-930
56 pages
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Table of Contents

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Brother KH-930 Specifications

General IconGeneral
BrandBrother
ModelKH-930
CategorySewing Machine
LanguageEnglish

Summary

Product Specifications

Encoder PC Board Operation

Encoder PC Board Signals

Details VI, V2, and BP signals for carriage movement detection.

Power System and External Memory

FB100 External Memory Device

Description of the FB100 floppy disc drive unit.

Power Supply Components

Overview of AC cord, power switch, filter, transformer, and PC board.

Memory Test Procedure

Test 888: Memory Test Execution

Procedure for clearing and testing memory contents.

Power Transformer Resistance Check

Solenoid Operation Check

Operation and Main PC Board Reassembly

Left Position Sensor PC Board Removal

Filter PC Board Removal Procedure

K Carriage Adjustment Guide

Sinker Plate Front and Rear Adjustment

Adjusting sinker plate distance from rear carriage rail.

Sinker Plate Vertical Adjustment

Adjusting sinker plate gap to knitting needle stem.

L Carriage Disassembly and Assembly

L Carriage Separation Cam Removal

Steps to remove the L carriage separation cam.

L Carriage End Needle Separation Cam Removal

Steps to remove the L end needle separation cam.

L Carriage Handle and Cover Mounting

Needle Transfer Plate Position Adjustment

Main Body Assembly Procedures

Needle Selector Unit Removal

Procedure for removing the needle selector unit.

Rotary Encoder Mounting

Steps for mounting the rotary encoder assembly.

Needle Selector Mechanism Adjustment

Rotary Cam Gap Adjustment

Adjusting gap between rotary cam components for smooth operation.

Troubleshooting Sluggish Carriage Operation

Diagnosing and fixing slow carriage movement issues.

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