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VETRON Typical GC6890 - User Manual

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INSTRUCTION BOOK
GC6890
HIGH SPEED SEWING MACHINE
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Summary

Important Safety Instructions

General Safety Precautions and Procedures

Essential safety measures, operational requirements, and maintenance protocols for safe machine use.

For Safe Operation

Operational Safety Precautions

Specific safety advice for operating the machine, avoiding injuries from moving parts and electrical shock.

1. Specifications

2. Installation

Installing the Under Cover

Instructions for installing the under cover and related parts.

3. Adjusting the Height of the Knee Lifter

Knee Lifter Adjustment Steps

Adjusting presser foot height and ensuring no interference during operation.

4. Installing the Thread Stand

5. Lubrication (Lipin)

Greasing Specific Components

Applying grease to the thread take-up crank shaft and needle rod holder.

6. Lubrication (Oil)

Oil Pan and Initial Operation

Steps for oiling the oil pan and performing initial break-in operation.

7. Adjusting the Amount of Oil in the Hook

Oil Confirmation Procedure

Steps for confirming oil amount using confirmation paper after warming up the machine.

Sample Showing Appropriate Oil Amount

Oil Amount Visual Guides

Visual guides for small and large appropriate oil amounts.

Adjusting the Oil Amount

Screw Adjustment and Verification

Adjusting the oil screw and checking the amount by running the machine idle.

8. Attaching the Needle

9. Setting the Bobbin into the Bobbin Case

Bobbin Setting and Rotation Check

Threading the bobbin case and verifying correct rotation direction.

10. Adjusting the Stitch Length

11. Presser Foot Pressure

12. Hand Lifter

13. Adjusting the Height of the Presser Bar

Presser Bar Height Adjustment

Loosening and tightening the setscrew to adjust presser bar height or angle.

14. Threading the Machine Head

15. Thread Tension

Needle and Bobbin Thread Tension Adjustment

Adjusting upper and lower thread tensions using specific nuts and screws.

16. Thread Take-Up Spring

Take-Up Spring Stroke and Pressure Adjustment

Adjusting the movement range and tension of the thread take-up spring.

17. Adjusting the Thread Take-Up Stroke

Thread Guide Adjustment for Fabric Types

Adjusting the thread guide position for heavy or light materials.

18. Needle-to-Hook Relationship

Needle and Hook Timing Adjustment

Adjusting needle bar height, hook position, and clearance for optimal synchronization.

19. Height of the Feed Dog

Feed Dog Height Adjustment Procedure

Steps to adjust feed dog height by loosening and tightening screws.

20. Tilt of the Feed Dog

Feed Dog Tilt Adjustment

Adjusting feed dog tilt (front up/down) to prevent puckering or uneven feed.

21. Adjusting the Feed Timing

Feed Timing Adjustment and Standards

Adjusting feed timing for standard, advanced, or delayed feed, and verifying alignment.

22. Pedal Pressure and Pedal Stroke

Pedal Pressure and Stroke Adjustments

Adjusting pedal depression pressure, return pressure, and travel stroke.

23. Adjustment of the Pedal

Pedal Connection and Angle Adjustment

Installing the connecting rod and adjusting the pedal's tilt angle.

24. Pedal Operation

Pedal Operation for Sewing Control

Operating the pedal for low speed, high speed, stopping, and thread trimming.

25. One-Touch Type Reverse Feed Stitching Mechanism

Operating the Reverse Feed Switch

Using the switch lever to activate and control reverse feed stitching.

26. Wiper; 拨线杆

Wiper Positioning and Usage

Adjusting the wiper position based on fabric thickness and turning it on/off.

Safety Instruction

General Operating Precautions

Essential safety instructions for installation, operation, and maintenance.

Warranty Information

Details on warranty period, terms, and conditions for repair.

1. Button Displays and Operating Instructions

Key Descriptions and Functions

Details on function keys, value adjustment, and selection buttons.

Sewing Mode Shortcuts

Shortcuts for specific sewing modes like back-tacking and free sewing.

Multi-section Set Needle Shortcuts

Automatically Trigger Button

Press the Lift Foot Shortcuts

Thread Clamping and Foot Lifting Shortcuts

Shortcut Function

Slow Play Seam Shortcuts

Stop the Needle Switch Key

Fill the Needle Button

User Parameter & Technician Parameter

Speed and Needle Control Parameters

Parameters for adjusting sewing speed and needle stop position.

Tacking and Stitching Control Parameters

Bar-Tacking, Soft Start, and Mode Selection

Parameters for bar-tacking speed, soft start, stitch balance, and operational modes.

Advanced Operational Parameter Adjustments

Tacking, Cutting, and Presser Foot Settings

Parameters related to bar-tacking, cutting, wiper function, and presser foot control.

Motor, Speed, and Stop Control Settings

Parameters for motor direction, stopping positions, and low-speed operations.

Foot Control and Timing Parameters

Foot Lifting, Trimming, and Wiper Timing

Settings for foot lifting, trimming duration, and wiper timing.

Needle Positioning and Testing Parameters

Parameters for automatic needle positioning, testing, and position correction.

Parameter Settings for Specific Actions

Thread Clamp, Cutting, and Back-Tack Timing

Settings for thread clamp angles, cutting angles, and back-tack timing.

Error Code List and Troubleshooting

Comprehensive list of error codes, their causes, and recommended solutions.

Error Code E8 to E20

Port Outline Diagram

14 P Function Port Table Illustration

Illustration of the 14-pin function port table with pin assignments.

Port Name and Signal Level Descriptions

Identification of port names and their corresponding signal levels.

VETRON Typical GC6890 Specifications

General IconGeneral
BrandVETRON
ModelTypical GC6890
CategorySewing Machine
LanguageEnglish

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