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HIGHLEAD GC6-28-1 User Manual

HIGHLEAD GC6-28-1
44 pages
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HIGH
LEAD
Purchasing
Dept
Copy
GC6-28-1/GC6-28-1H/GC6-28-1B
High Speed Lockstitch Sewing Machine
Instruction
Manual
Parts
Catalog
SHANGHAI HUIGONG
N0.3
SEWING MACHINE FACTORY
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HIGHLEAD GC6-28-1 Specifications

General IconGeneral
Number of Needles1
Needle Bar Stroke36 mm
Stitch TypeLockstitch
NeedleDPx17
Max Sewing Speed2, 000 SPM
HookLarge Capacity Rotary Hook
Motor TypeClutch motor

Summary

Instruction Manual

MAIN SPECIFICATIONS

Details key operational parameters like speed, stitch length, and dimensions.

INSTALL THE MOTOR

Guide on how to properly mount and align the sewing machine motor.

CONNECT THE CLUTCH LEVER WITH THE PEDAL

Instructions for connecting the clutch lever to the sewing machine pedal.

PREPARATION AND LUBRICATION

Steps for cleaning, examining, and oiling the machine before operation.

REPLACE NEEDLES

Procedure for correctly inserting and replacing sewing machine needles.

NEEDLE, THREAD AND MATERIAL TO BE SEWN

Recommendations for suitable needle, thread, and material combinations.

RUN-IN OPERATION

Procedure for initial operation and breaking in a new or stored sewing machine.

THREADING

Step-by-step guide for threading the needle and bobbin.

WINDING ADJUSTMENT

Instructions on adjusting the bobbin winder for proper thread winding.

SET STITCH LENGTH AND REVERSE FEEDING

How to set stitch length and operate the reverse feeding function.

POSITION PRESSER BAR

Adjusting the presser bar height for optimal fabric handling.

ADJUST THE PRESSURE OF PRESSER FOOT

Fine-tuning presser foot pressure based on material thickness.

ADJUST THREAD TENSION

Critical steps for adjusting needle and bobbin thread tension for proper stitching.

ADJUST THREAD TAKE-UP SPRING

Adjusting the tension and stroke of the thread take-up spring.

ADJUST THREAD GUIDE AND THREAD TENSION

Adjusting thread guides and tension for optimal stitch quality.

TIME NEEDLE TO ROTATING HOOK

Crucial procedure for setting the timing between the needle and hook.

REPLACE ROTATING HOOK

Instructions for removing and installing the rotating hook assembly.

ADJUST THE HEIGHT OF FEED DOG

Setting the correct vertical height of the feed dog.

ADJUST THE POSITION OF FEED DOG

Adjusting the horizontal position of the feed dog.

TIME FEED MOTION TO NEEDLE MOTION

Setting the timing relationship between feed dog movement and needle motion.

ADJUST OPENING TIME OF THE TENSION DISCS

Adjusting the timing for the tension discs to open.

LUBRICATION ADJUSTMENT

Procedures for adjusting the oil pump and rotating hook lubrication.

REGULAR CLEANING

Guidelines for routine cleaning of feed dogs, hook, and oil pump screen.

Parts Catalog

ARM BED AND ITS ACCESSORIES

Components of the arm bed and associated parts.

NEEDLE BAR & THREAD TAKE-UP LEVER MECHANISM

Parts related to the needle bar and thread take-up lever system.

ARM SHAFT MECHANISM

Components of the arm shaft drive mechanism.

LOWER SHAFT MECHANISM

Parts constituting the lower shaft drive system.

STITCH REGULATOR MECHANISM

Components responsible for regulating stitch settings.

FEEDING MECHANISM

Parts that control the fabric feeding process.

PRESSER FOOT MECHANISM

Components related to the presser foot assembly.

OIL LUBRICATION MECHANISM

Parts involved in the machine's oil lubrication system.

OIL RESERVOIR AND OTHER ACCESSORIES

Components of the oil reservoir and related accessories.

BOBBIN WINDER MECHANISM

Parts of the bobbin winding mechanism.

ACCESSORIES

List of included accessories with the sewing machine.

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