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HIGHLEAD GC22618 User Manual

HIGHLEAD GC22618
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HIGHLEAD
GC22618
CYLINDER-BED UNISON FEED
SEWING
MACHINE
Instruction Manual
Parts
Catalog
SHANGHAI HUIGONG
N0.3
SEWING
MACHINE
FACTORY
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HIGHLEAD GC22618 Specifications

General IconGeneral
BrandHIGHLEAD
ModelGC22618
CategorySewing Machine
LanguageEnglish

Summary

PRECAUTIONS BEFORE STARTING OPERATION

Safety precautions

Safety rules for operating the sewing machine, keeping hands away from moving parts.

Precautions before starting operation

Checks before initial operation like oil levels, oiling, and rotational direction.

Precautions for operating conditions

Guidelines for optimal operating environment, avoiding extreme temperatures and dust.

SPECIFICATIONS

PRECAUTIONS FOR SEWING OPERATE

Cleaning the machine

Removing rust-preventive grease before first use.

Examination

Checking for looseness, collision, or abnormal noise after transport.

Lubrication

Oil holes must be oiled before initial operation or after long disuse.

NEEDLE

WINDING THE LOWER THREAD

ADJUSTING THE BOBBIN WINDER

REMOVING AND INSERTING THE BOBBIN

THREADING

ADJUSTING OF THREAD TENSION

Tension of upper thread

Adjusting the tension of the upper thread using a serrated nut.

Tension of the lower thread

Adjusting the lower thread tension using a screw.

ADJUSTING THE PRESSURE OF PRESSER FOOT

STITCH LENGTH & REVERSING LEVER

ADJUSTING THE LIFT OF THE ALTERNATING PRESSER FOOT

RE-SET THE SAFETY CLUTCH MECHANISM

ADJUSTING THE HEIGHT OF THE FEED DOG

RELATIVE POSITION OF THE FEED DOG TO NEEDLE PLATE

ADJUSTING THE HEIGHT OF THE NEEDLE BAR

ADJUSTING THE HEIGHT OF THE PRESSER FOOT

Adjustment by the presser bar lifter

Adjusting presser foot height using the lifter and setscrew.

Adjusting the lift of alternating presser foot

Adjusting the vibrating presser foot height to match the main presser foot.

TIMING OF THE VIBRATING PRESSER FOOT

ADJUSTING THE THREAD TAKE-UP SPRING

For more control action on the thread

Adjusting the stop screw and stop for thread control.

To adjust the tension spring

Adjusting the thread take-up spring tension.

ARM BED AND ITS ACCESSORIES

TAKE-UP THREAD AND ARM SHAFT MECHANISM

ROTATING HOOK SHAFT MECHANISM

FEEDING AND FEED LIFTING MECHANISM

STITCH REGULATOR MECHANISM

NEEDLE BAR FEEDING MECHANISM

PRESSER FOOT MECHANISM

ACCESSORIES

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