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Global 3900AUT series User Manual

Global 3900AUT series
35 pages
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INSTRUCTION MANUAL BOOK & PARTS BOOK
3900AUT/3900LH-AUT Ser is
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Global 3900AUT series Specifications

General IconGeneral
BrandGlobal
Model3900AUT series
CategorySewing Machine
LanguageEnglish

Summary

To Ensure Safe Use of Your Sewing Machine

Explanation of Risk Levels

Defines danger, warning, and caution risk categories for machine operation.

Pictorial Warning Indications and Labels

Explains the meaning of various visual warning symbols and labels used on the machine.

Safety Precautions

General Safety Guidelines

Covers DANGER, CAUTION, basic precautions, safety devices, application, and training for safe machine use.

Power Off Requirements

Lists specific operations requiring the machine power to be turned off before execution.

Precautions During Operation Stages

During Operation Safety

Critical safety rules to follow while the sewing machine is running to prevent injuries.

Lubrication and Maintenance

Machine Maintenance

Procedures and precautions for machine repair, adjustment, and cleaning.

Operating Environment

FOR SAFE OPERATION

General Operating Safety Rules

Key safety instructions to follow during the machine's operation to prevent accidents.

CAUTION BEFORE OPERATION

Pre-Operation Checks and Warnings

Important checks and warnings to confirm before starting the sewing machine to avoid damage.

1. SPECIFICATIONS

2. INSTALLATION

3. INSTALLING THE BELT COVER AND THE BOBBIN WINDER

4. ADJUSTING THE HEIGHT OF THE KNEE LIFTER

6. LUBRICATION

7. ADJUSTING THE AMOUNT OF OIL (OIL SPLASHES) IN THE HOOK

8. ATTACHING THE NEEDLE

9. SETTING THE BOBBIN INTO THE BOBBIN CASE

10. ADJUSTING THE STITCH LENGTH

11. PRESSER FOOT PRESSURE

13. ADJUSTING THE HEIGHT OF THE PRESSER BAR

14. THREADING THE MACHINE HEAD

15. THREAD TENSION

16. THREAD TAKE-UP SPRING

17. ADJUSTING THE THREAD TAKE-UP STROKE

18. NEEDLE-TO-HOOK RELATIONSHIP

19. HEIGHT OF THE FEED DOG

20. TILT OF THE FEED DOG

21. ADJUSTING THE FEED TIMING

22. PEDAL PRESSURE AND PEDAL STROKE

23. ADJUSTMENT OF THE PEDAL

24. PEDAL OPERATION

25. WIPER

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