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HIGHLEAD GC20518 Series User Manual

HIGHLEAD GC20518 Series
60 pages
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HIGH
LEAD
GC20518 Series
Purchasing
Dept
Copy
Twin-Needl~
High Speed Lockstitch Sewing
Machine
Instruction
Manual
Parts Catalog
SHANGHAI HUIGONG
N0.3
SEWING
MACHINE
FACTORY
From the library of: Superior Sewing Machine & Supply LLC

Table of Contents

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HIGHLEAD GC20518 Series Specifications

General IconGeneral
Stitch TypeLockstitch
Motor TypeServo Motor
LubricationAutomatic
Table SizeStandard
Needle SystemDPx17
Hook TypeRotary Hook
Voltage220V

Summary

Precautions Before Starting Operation

Safety Precautions

General safety guidelines for operating the sewing machine, including hand placement and power usage.

Precaution Before Starting Operation

Checks and preparations before initial machine startup, like oiling and power verification.

Precaution for Operating Conditions

Guidelines on environmental conditions for safe and optimal machine operation, avoiding extremes.

Preparation for Operation

Power Cable Connection

Instructions for connecting the power supply to the control box and ensuring proper grounding.

Connection of Control Box

Guide on connecting the control box to the machine head, emphasizing safety and compatibility.

Adjustment of Needle Bar Stop Position

Steps to adjust the needle bar's upper and lower stop positions accurately.

Cautions on Use

Oiling (1)

Instructions for filling the oil reservoir and checking oil levels for proper lubrication.

Adjustment of Oiling to Rotating Hook

Adjusting the oiling rate to the rotating hook mechanism using the designated screw.

Cautions on Operation

Important safety and operational warnings, including pedal use, power interruption, and control box care.

Operation

Installation of Needles

Step-by-step guide for correctly installing double needles, ensuring proper alignment and tightening.

Timing Between Rotating Hook Motion and Needle Motion

Critical timing adjustments for hook and needle synchronization, including hook point positioning.

Specifications

Thread Tension Regulator Mechanism

Knife Mechanism

Oil Lubrication Mechanism

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