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typical GC6760 SERIES User Manual

typical GC6760 SERIES
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SETUP, INSTRUCTION- & SERVICE MANUAL
GC6760SERIES
DOUBLE LOCKSTITCH HIGH-SPEED SEAMER
WITH DIRECT DRIVE
WITH BOTTOM AND NEEDLE FEED
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typical GC6760 SERIES Specifications

General IconGeneral
Brandtypical
ModelGC6760 SERIES
CategorySewing Machine
LanguageEnglish

Summary

SAFETY

1/1 General Safety Instructions

Essential safety guidelines for machine operation and user protection.

INSTALLATION

4/7 Machine Lubrication

Instructions for filling and maintaining the machine's lubrication system.

SETTING UP

5/1 Inserting the Needle

Step-by-step guide for correctly inserting the sewing needle.

5/3 Bobbin Winding Process

Detailed process for winding thread onto the bobbin.

5/4 Inserting the Bobbin Case

Guide on how to properly insert the wound bobbin case into the hook.

5/5 Threading the Machine

Comprehensive instructions for threading the sewing machine's upper thread path.

SEWING

6/1 Starting Machine and Back Tacking

Procedures for starting the machine and performing back tacking operations.

THREAD TENSION

7/1 Setting Lower Thread Tension

Steps for adjusting the tension of the lower thread using the bobbin case.

7/2 Setting Upper Thread Tension

Instructions on how to regulate the tension of the upper thread.

7/3 Adjusting Presser Foot Pressure

How to adjust the pressure exerted by the presser foot.

CLEANING & MAINTENANCE

8/1 Daily Cleaning and Maintenance

Routine daily cleaning procedures for the sewing machine.

8/1/2 Checking Transmission Oil Level

How to check and maintain the oil level in the transmission.

8/1/3 Refilling Machine Oil

Steps for refilling the machine's oil reservoir.

8/1/4 Checking Oil Level

Procedures for monitoring the oil level using the sight window.

HOOK LUBRICATION SETTINGS

9/1 Checking and Adjusting Hook Lubrication

Procedure to check and adjust the oil spray amount for the hook.

ADJUSTMENTS

10/2 Adjusting the Take Up Spring

How to adjust the position and strength of the take-up spring.

10/4 Adjusting Presser Foot Height

Setting the correct height for the presser foot.

10/5 Adjusting Feed Dog Height

Setting the height of the feed dogs relative to the needle plate.

10/6 Adjusting Feed Dog Angle

Adjusting the angle of the feed dogs for proper material feeding.

10/7 Pre-adjusting Needle Bar Height

Pre-adjusting the needle bar height for optimal timing.

10/9 Adjusting Hook Distance and Needle Height

Setting the correct distances for hook, needle bar rise, and needle height.

10/11 Adjusting the Foot Pedal

Fine-tuning the foot pedal for speed and reverse control.

TROUBLESHOOTING & ERROR MESSAGES

11/1 Loose Upper Thread Tension

Troubleshooting guide for issues with loose upper thread tension.

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