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Brother Electroknit KH-910 User Manual

Brother Electroknit KH-910
51 pages
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Brother Electroknit KH-910 Specifications

General IconGeneral
BrandBrother
ModelElectroknit KH-910
CategorySewing Machine
LanguageEnglish

Summary

III. HOW TO ADJUST THE CARRIAGE

K Carriage Smoothness Adjustment

Addresses issues like carriage not moving smoothly due to oil, sinker plate, or gaps.

IV. HOW TO ADJUST L CARRIAGE

Leaf Spring Position Adjustment

Adjusts bilateral and vertical positions of the leaf spring for stitch drop prevention.

V. NEEDLE SELECTOR MECHANISM (MECHANICAL PART)

VI. CHECKING THE PARTS CONNECTED WITH THE POWER SUPPLY

Initial Live Test

Verifies basic power supply functions like pilot lamp, buzzer, and ready lamp.

Power Supply Fault Diagnosis

Troubleshooting pilot lamp, buzzer, ready lamp, mark sensor, and "888" display errors.

Checking the AC Section

Covers AC outlet, mains lead, low voltage circuit, AC input, and fuse checks.

Checking the DC Section

Focuses on DC circuits, including card feeding, +5V supply, and PCB/component checks.

VII. CHECKING THE NEEDLE SELECTOR SOLENOID

Solenoid Live Test

Tests solenoid energization and needle selection during carriage movement.

IX. CHECKING THE NEEDLE POSITION DETECTING CIRCUIT

Needle Position Detection Circuit Test

Verifies circuit operation by setting switches and moving the carriage.

Adjusting Position Sensors

Details on adjusting right and left position sensors and related components.

XII. REPLACEMENT

Replacing Main P.C.B. Assembly

Instructions for disassembling and assembling the main and operation P.C.B. units.

Replacing Needle Selector Solenoid Unit

Details on disassembling and assembling the needle selector solenoid unit and individual solenoids.

Replacing Card Reader Components

Covers replacement of card reader unit, mark sensor, and card feeding shaft/guide.

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