HIGHLEAD GC0618 I User Manual

CONTENTS
1. PRECAUTIONS BEFORE STARTTI'l"G OPERATION 2
2. MAIN SPECIFICATIONS , , 2
3 PREPARATION AND LUBRlCATION , .. ...
...... ... .. .... .. .. .... ... .. .. .. . 3
4. REPLACE
NEEDLES .. .. .. . .. , 3
5,
WINDING " ... .. ..... ... ..... .. .. ..... ... " " 4
6.
WINDING ADJUSTMENT. .4
7. REMOVING AND INSERTING THE BOBBIN.. . ." , .4
8. THREADING 5
9 REGULATING
THE THREAD TENSIONS. , " ,., . " .. . ,..5
10. ADJUSTMENT OF
THE PRESSURE ON THE MATERlAL 6e
11. ADJUSTING THE LIFT OF THE ALTERNATING PRESSER FEET , 6
12, STITCH LENGTH ADJUSTMENTS AND REVERSfNG LEVER 6
13. ADJ USTING
THE HEIGHT OF THE FEED DOG " . .. .. 6
14. RELATIVE POSITION OF THE FEED
DOG TO EEDLE PLATE .. , ' , , 7
15. THE POSITION OF
THE NEEDLE AND THE NEEDLE HOLE OF THE FEED DOG 7
16. TIMING THE
NEEDLE WITH FEE D DOG.. .. .., .. ..... ...7
17 ADJUSTING THE HEIGHT OF THE NEEDLE BAR. 8
18. TIMING
BETWEEN THE HOOK AND THE EEDLE 8
19. ADJUSTING THE
HEIGHT OF THE PRESSER FEET 8
20. TIMING OF
THE VIBRATING PRESSER FOOT .. .. , 9
21. ADJUSTMENT OF
THE CLEARANCE BED \ EEN FEED FORKED CONNECTION AND FEED FORK
COLLAR 9
22 ADJUSTING THE
THREAD CONT ROLLER SPRING 9
23 ADJUSTMENT OF
NEEDLE BAR STOP POSITIO N.. .. .. .. .. .. ... .. .. .. .. 9
24. ADJUSTMENT OF KNIFE
ENGAGEMENT .. 10
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HIGHLEAD GC0618 I Specifications

General

Number of Needles	1
Stitch Type	Lockstitch
Motor Type	Servo Motor
Hook	Rotary Hook
Lubrication	Automatic

Summary

Starting Operation Precautions

Safety Guidelines

General safety guidelines to follow while operating the machine.

Pre-Operation Checks

Steps to take before initial operation, including lubrication and voltage check.

Preparation and Lubrication

Machine Cleaning and Oiling

Procedures for cleaning the machine and its lubrication points.

Needle Replacement

How to Replace Needle

Step-by-step guide for replacing the needle.

Bobbin Winding

Bobbin Winding Process

Steps for winding thread onto the bobbin correctly.

Bobbin Handling and Adjustment

Winding Adjustment and Bobbin Handling

Adjusting winding tension and handling bobbin removal/insertion.

Sewing Machine Threading

Threading the Needle and Guides

Detailed steps for threading the machine needle and guides.

Thread Tension Regulation

Adjusting Upper and Lower Thread Tension

Adjusting the tension for both upper and lower threads for balanced stitching.

Stitch Length and Reversing Lever

Setting Stitch Length

Setting the stitch length using the dial and reversing lever.

Feed Dog Height Adjustment

Adjusting Feed Dog Height

Adjusting the vertical height of the feed dog.

Needle and Feed Dog Timing

Timing Needle with Feed Dog

Timing needle movement with feed dog movement for correct stitch formation.

Hook and Needle Timing

Timing Hook with Needle

Aligning the hook point with the needle and setting clearances.

Presser Feet Height Adjustment

Adjusting Presser Foot Height

Adjusting the height of the presser feet for consistent fabric feeding.

Needle Bar Stop Position Adjustment

Needle Bar Stop Position

Adjusting the needle bar's upper and lower stop positions.

Knife Engagement Adjustment

Adjusting Knife Engagement

Adjusting the engagement and pressure of the cutting blades.