Reliable MSK-8420B instruction manual Contents

Page 2

CONTENTS

Operation instruction

1. Brief introduction

1

2. Main specifications

1

3. Installation and preparation

1

3.1

Installation

1

3.1.1 Location of the machine

1

3.1.2 Installing oil reservoir

1

3.1.3 Mounting machine head

1

3.1.4 Mounting knee lifter

2

3.1.5 Installing the motor

2

3.1.6 Connecting the clutch lever to the pedal

3

3.1.7 Installing the thread winder

3

3.1.8 Installing the thread spool stand

3

3.2

Preparation

3

3.2.1 Cleaning the machine

3

3.2.2 Examination

4

3.2.3 Precaution before start

4

4. Operation

5

4.1

Coordination between needle thread and sewing material

5

4.2

Installing the needle

5

4.3Winding the bobbin thread

5

4.3.1 Winding method

5

4.3.2 Winding adjustment

6

4.3.3 Threading

6

4.3.4 Stich length and reverse sewing control

6

4.3.5 Setting the bobbin

7

4.3.6 Drawing thread from the bobbin

7

5. Machine adjustment

7

5.1

Thread tension adjustment

7

5.2 Adjusting the pressure of presser foot

8

5.3

Use and adjustment of the safety clutch device

8

5.3.1The function of the safety clutch device

8

5.3.2 Resetting the safety clutch device

8

5.3.3 Regulating the strength on the safety clutch device

9

5.4

Upper feed adjustment

9

5.5

Presser foot lift volume adjustment

10

5.6

Hook oil amount adjustment

10

Image 2 Contents
MSK-8400B MSK-8420B Contents Parts manual Brief introduction Page 20¡« Oil mark Operation Detail chart Machine Adjustment Needle thread tension Increase Reduce Upper feed adjustment Presser foot lift volume adjustment Parts Manual MSK-8420B Arm Parts Pcs MSK-8420B Arm Parts Part number Description Pcs MSK-8400B Arm Parts Thread take-up lever guard MSK-8400B Arm Parts Oil retainer Upper Shaft Presser Foot Parts Pcs Upper Shaft Presser Foot Parts Nut MSK-8420B Needle Bar And Lower Feed Parts Oil wick MSK-8420B Needle Bar And Lower Feed Parts Bushing for needle bar motion shaft MSK-8400B Needle Bar And Lower Feed Parts Thread guide ring MSK-8400B Needle Bar And Lower Feed Parts MSK-8400B Needle Bar And Lower Feed Parts MSK-8420B Rock Shaft And Thread Looping Parts Right hook saddle £-33£ Rock shaft MSK-8400B Rock Shaft And Thread Looping Parts 1WF2-063 Right hook saddle 1WF2-060 Screw 1WF2-059 MSK-8400B Rock Shaft And Thread Looping Parts Part number Description Pcs Stitch Length Adjusting Parts Part number Description Presser Foot Lift Parts Knee control crank assembly Presser Foot Lift Parts Presser Foot Lift Parts Lubrication Parts MSK-8420B Lubrication Parts Lubrication Parts 1WF6-031 Oil pipe clamp 1WF6-029 MSK-8400B Lubrication Parts MSK-8400B Lubrication Parts MSK-8400B Lubrication Parts MSK-8400B Lubrication Parts Accessories Accessories