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Janome DC4030P User Manual

Janome DC4030P
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MODEL : DC4030P
SERVICE MANUAL
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Janome DC4030P Specifications

General IconGeneral
BrandJanome
ModelDC4030P
CategorySewing Machine
LanguageEnglish

Summary

MECHANICAL ADJUSTMENT

PRESSER BAR HEIGHT AND ALIGNMENT

Adjusting the presser bar height and ensuring proper alignment.

NEEDLE TO HOOK TIMING

Setting the correct timing between the needle and the hook.

NEEDLE CLEARANCE TO SHUTTLE

Adjusting the clearance between the needle and the shuttle hook.

BACKLASH ADJUSTMENT (GEARS)

Adjusting backlash in the lower shaft and hook drive gears.

BUTTONHOLE ADJUSTMENTS

SELF DIAGNOSTIC TESTS

PRELIMINARY AND MODE ENTRY

Initial tests and steps to enter diagnostic mode.

REPLACING PRINTED CIRCUIT BOARD A

REPLACING CIRCUIT BOARD F AND SLIDE VOLUME

REPLACING DC MOTOR AND ADJUSTING BELT TENSION

REPLACING THE FUSES

REPLACING MACHINE SOCKET

REPLACING THE TRANSFORMER

REPLACING THE ZIGZAG WIDTH MOTOR

REPLACING THE FEED MOTOR

ADJUSTING THE BOBBIN WINDER SWITCH

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