HIGHLEAD GC188-MC User Manual

®
HIGH LEAD
Purchasing Dept
Copy
GC188-MC/GC188-MC-D
High Speed Lockstitch Machine With Edge Cutter And
Automatic Thread
Trimmer
Instruction Manual
Parts Catalog
SHANGHAI HUIGONG N0.3 SEWING MACHINE FACTORY
From the library of: Superior Sewing Machine & Supply LLC

HIGHLEAD GC188-MC Specifications

General

Brand	HIGHLEAD
Model	GC188-MC
Category	Sewing Machine
Language	English

Summary

PRECAUTIONS BEFORE STARTING OPERATION

Safety Precautions

ADJUSTMENT OF NEEDLE BAR STOP POSITION

Adjusting of "Up" position

Setting the needle bar's highest stop point.

Adjusting of "Down" position

Setting the needle bar's lowest stop point.

LUBRICATION

LUBRICATION ADJUSTMENT

Adjusting rotating hook lubrication

Controls oil flow to the rotating hook.

ADJUSTMENT OF OIL PUMP

REGULAR CLEANING

WINDING ADJUSTMENT

Bobbin thread winding tension

THREADING

SET STITCH LENGTH AND REVERSE FEEDING

Changing stitch length

Adjusting the stitch length setting.

Performing reverse feeding

ADJUSTING THE THREAD TENSION

UPPER THREAD TENSION

LOWER THREAD TENSION

ADJUSTMENT OF FEED DOG INCLINATION

Adjusting eccentric shaft inclination

ADJUSTMENT OF THREAD TRIMMER MECHANISM

Thread trimmer solenoid stroke

Adjusting the stroke of the trimmer solenoid.

Knife engagement adjustment

Setting the blade engagement distance.

Knife engaging pressure adjustment

CLOTH CUTTING KNIFE

Operation of the cloth cutting knife

How to use the cloth cutting knife.

Attaching the cloth cutting knife

Changing the cutting width