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Janome MC350E User Manual

Janome MC350E
55 pages
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Janome MC350E Specifications

General IconGeneral
BrandJanome
ModelMC350E
CategorySewing Machine
LanguageEnglish

Summary

GENERAL TROUBLESHOOTING PROCEDURE

Changing External Parts (1) Face Cover

Procedure to remove and attach the face cover.

Changing External Parts (2) Belt Cover

Procedure to remove and attach the belt cover.

Changing External Parts (3) Base Cover

Procedure to remove and attach the base cover.

Changing External Parts (4) Bed Cover / Base Lid (2)

Procedures to replace the bed cover and base lid.

Changing External Parts (5) Base

Procedure to remove and attach the base unit.

Changing External Parts (6) Front Cover

Procedure to remove and attach the front cover.

Changing External Parts (7) Rear Cover

Procedure to remove and attach the rear cover.

Adjusting Needle Drop Position

Steps to position the needle correctly in the needle plate hole.

Adjusting Hook Timing

Procedure to set the correct timing between needle and hook.

Adjusting Needle Bar Height

Method to adjust needle bar height for optimal hook race engagement.

Adjusting Clearance between Needle and Hook

Steps to set the correct clearance between needle and rotary hook.

Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear

Procedure to adjust gear backlash for smooth operation.

Adjusting Height of the Needle Stop Position

Procedure to set the correct needle stop height.

Adjusting Thread Tension

Method to adjust upper thread tension for optimal stitch quality.

Adjusting Tension Release Mechanism

Steps to adjust the tension release mechanism for correct operation.

Changing Thread Tension Unit

Procedure for replacing the thread tension unit.

Replacing Threader Plate and Adjustment

Replacing Threader Plate

Procedure for replacing a damaged threader plate hook.

Adjusting Threader Plate Position

Steps to adjust the threader plate alignment with needle eyes.

Adjusting Height of Embroidery Foot P

Embroidery Foot Height Adjustment

Procedure to set the correct height of the embroidery foot.

ADJUSTMENT FOR ELECTRICAL COMPONENTS

Connector Connection Diagram

Diagram showing connector assignments on the main circuit board.

Replacing Printed Circuit Board “A” (Main board)

Procedure to remove and install the main circuit board.

Replacing Touch Panel

Steps to remove and install the touch panel.

Replacing Printed Circuit Board “F” & “F2”

Procedures for replacing circuit boards F and F2.

Adjustment of the Solenoid

Method to adjust the solenoid for proper function.

Replacing DC Motor and Motor Belt Tension Adjustment

Procedures for replacing the DC motor and adjusting belt tension.

Replacing Carriage Plate (Unit)

Steps to remove and install the carriage plate unit.

Adjusting X and Y Sensors

Procedure for precise adjustment of X and Y sensors.

Adjusting X and Y Sensors (Simple Adjustment)

Simplified procedure for adjusting X and Y sensors without base removal.

Adjusting Carriage Motor Gear

Steps to adjust carriage motor gears to reduce noise.

Replacing Switching Power Supply

Procedure to remove and install the switching power supply.

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