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SunStar SWF/C-UH1508-45 - User Manual

SunStar SWF/C-UH1508-45
154 pages
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USER
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S MANUAL
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TWO-HEAD AUTOMATIC
EMBROIDERY MACHINE
FOUR-HEAD AUTOMATIC
EMBROIDERY MACHINE
SIX-HEAD AUTOMATIC
EMBROIDERY MACHINE
EIGHT-HEAD AUTOMATIC
EMBROIDERY MACHINE
SIX-HEAD AUTOMATIC
EMBROIDERY MACHINE
(Compact Type)
SWF/C-Series

Table of Contents

Questions and Answers

  • M
    Mary SolomonAug 18, 2025
    What to do if SunStar SWF/C-UH1508-45 Sewing Machine thread breaks before trimming?
    • N
      ncarterAug 18, 2025
      If the thread breaks before trimming on your SunStar Sewing Machine, it could be because the upper thread is too short; check the main and sub tension adjuster for dents or damage to the movable blade. It could also be that the lower thread is too short, doesn’t unwind smoothly, or is too weak or elastic. Try adjusting the upper thread tension, removing any dents using a whetstone or sandpaper or changing the movable blade. Adjust or change the bobbin case spring, clean/check for dents in the thread guide on the bobbin case, or change the lower thread.
  • P
    Patrick JonesAug 20, 2025
    Why does my SunStar SWF/C-UH1508-45 thread break?
    • S
      Shaun KimAug 20, 2025
      Thread breaks can occur in your SunStar Sewing Machine for several reasons. The stitch might be too small or dense, or the thread may be breaking frequently in the same spot. Other causes include using an inadequate needle size for the thread, needle damage (bent, dented, or worn), incorrect needle installation (height, direction, etc.), or a dirty needle (adhesive, etc.). To resolve this, try re-punching the design tape, correcting the stitches, changing the needle, re-installing the needle correctly, or cleaning the needle and hook.
  • C
    Connie SchroederAug 23, 2025
    What causes short upper thread after trimming on SunStar Sewing Machine?
    • G
      Gerald LopezAug 23, 2025
      A short upper thread after trimming on your SunStar Sewing Machine, due to separation failure, can occur if the movable blade is too fast or too slow to separate the upper thread, the picker is in an incorrect position, or there is a picker failure. To fix this, adjust the insert angle of the movable blade to 295 degrees, adjust the picker position, and check and change the fuse F1, F3. Also, check/change the solenoid and its connection, and check the connection and change the joint board.
  • M
    Monica GarciaAug 26, 2025
    What to do if my SunStar Sewing Machine is not trimming?
    • K
      Kyle HarveyAug 26, 2025
      If your SunStar Sewing Machine is experiencing trimming failure, it could be due to a short-circuit of the trimming fuse, a poor connection or quality of the trimming solenoid, a bad connection, or a damaged trimming driver TR. You should check and change the fuse F1 in the joint board, check and change the solenoid and its connection, and change the joint board.
  • N
    Nicole VasquezAug 28, 2025
    What to do if my SunStar Sewing Machine has poor stitch tension?
    • D
      Dr. Jared McdonaldAug 28, 2025
      Poor stitch tension in your SunStar Sewing Machine can result from several factors. These include weak upper thread tension, uneven upper thread tension due to foreign substances, weak lower thread tension, uneven lower thread tension, thread thickness, poor timing of the needle and hook, or insufficient oil in the hook. You can address this by adjusting the tension, cleaning the main and sub tension adjusters, cleaning the bobbin case and checking the bobbin spring tension, changing to a quality thread, adjusting the timing, or oiling the raceway of the hook.
  • J
    Jay WilsonAug 30, 2025
    What to do if my SunStar SWF/C-UH1508-45 Sewing Machine needle breaks?
    • J
      Joshua GarciaAug 30, 2025
      Needle breakage in your SunStar Sewing Machine can be attributed to several reasons: a bent needle, a bad quality needle, a worn or bent needle tip, the needle touching the hook point, incorrect needle installation, or the needle touching the needle hole on the plate. To fix this, try changing the needle, spacing the needle and the hook point, correcting the installation, checking if the needle plate is unscrewed, or adjusting the position of the needle bar.
  • S
    Sean LopezSep 2, 2025
    How to fix operation failure of SunStar SWF/C-UH1508-45?
    • D
      Debra LewisSep 2, 2025
      Operation failure in your SunStar Sewing Machine can stem from loose belt tension or belt damage, power failure or short-circuit of the fuse, or failure to sense signals for needle position or 1 rotation. To resolve this, adjust the belt tension or change the belt. Check the fuse in the main shaft motor and replace it if necessary. Run a manual color change and check if the signal lamps blink correctly. Adjust the half-turn film. Address the cause and press RESET. Check the START switch connection.
  • A
    Andrew ChapmanSep 4, 2025
    What to do if my SunStar SWF/C-UH1508-45 has a bad jump?
    • M
      michael23Sep 4, 2025
      A bad jump in your SunStar Sewing Machine might be caused by a short-circuit of the fuse for the jump circuit, a bad solenoid and bad solenoid wiring, a bad connection, or a switch failure on the tension adjusting board and a bad circuit board. To solve this, change the front fuse F3 in the joint board, check the wiring and change the solenoid, check the connection, and change the switch and circuit board.
  • K
    Kiara JohnsonSep 7, 2025
    Why is my SunStar Sewing Machine puckering?
    • S
      Shane TrevinoSep 7, 2025
      Puckering in your SunStar Sewing Machine may be due to excessive thread tension, excessive pressure of the presser foot, needle failure (worn out or damaged needle tip), the needle being too large for the thread, or the needle hole being too large for the needle. Try adjusting the tension, changing the presser foot spring, changing the needle, or using an adequate size of needle.
  • R
    Ryan WilsonSep 9, 2025
    What causes incorrect stop position on SunStar SWF/C-UH1508-45?
    • E
      Emily HullSep 10, 2025
      Incorrect stop position on your SunStar Sewing Machine can be caused by loose tension on the main driver belt or an incorrect position of the encoder or a bad encoder. To solve this, adjust the belt tension or adjust the encoder position or change the encoder.

Summary

CHAPTER 1 SAFETY RULES

1-1) DELIVERY OF YOUR MACHINE

Safety instructions for delivering the machine, including crane usage.

1-2) INSTALLATION

Required environmental conditions, foundation, and space for machine installation.

1-3) MACHINE OPERATION

Essential safety guidelines for operating the embroidery machine.

1-4) REPAIR

Specifies requirements and safety for machine repair by trained engineers.

CHAPTER 2 INSTALLATION AND MACHINE ASSEMBLY

2-1) ENVIRONMENT

2-2) ELECTRICITY INSTALLATION

2-3) LEVELING THE MACHINE

Guides on accurately leveling the machine using adjusting bolts and a level gauge.

CHAPTER 5 FUNCTIONS FOR BASIC MACHINE OPERATION

5-1) NAMES AND FUNCTIONS OF PARTS IN OPERATION BOX

5-2) EMERGENCY POWER AND START;STOP BUTTONS

Explains the function and operation of emergency power and start/stop buttons.

5-3) EMERGENCY STOP

Details how to use the emergency stop button to immediately halt the machine.

5-7) UPPER THREADING AND TENSION ADJUSTMENT

Provides steps for upper threading and adjusting thread tension.

5-8) LOWER (BOBBIN) THREADING AND TENSION ADJUSTMENT

Guides on bobbin threading and adjusting lower thread tension.

5-12) RETURN TO PREVIOUS LOCATION IN UNEXPECTED BLACKOUTS

5-13) NEEDLE- HOOK TIMING CONTROL

Covers needle selection, relationship with thread, and changing needles.

CHAPTER 6 BASIC MACHINE OPERATION

CHAPTER 7 NAVIGATING THE CONTROL PANEL

7-1) INSTALLING THE OPERATING SYSTEM

7-2) MAIN INDICATION SCREEN

7-3) THE FUNCTION MENU

7-4) USE OF FUNCTION MENU

CHAPTER 8 ERROR MESSAGES AND CORRECTION

8-1) MAIN SHAFT MOTOR

8-4) ENCODER

8-5) REPETITION WORK

8-6) FLOPPY DRIVE AND COMMUNICATION

8-7) TAPE READER AND COMMUNICATION

8-8) MEMORY

8-9) SYSTEM INSTALLATION

CHAPTER 10 MAINTENANCE AND INSPECTION

10-1) CHECK POINTS FOR REGULAR INSPECTION

Lists key points to check during regular machine inspections.

10-2) CLEANING

Provides instructions and cycle for cleaning specific machine parts.

10-3) OIL SUPPLY

Details manual oil supply points and cycles for machine lubrication.

10-4) DRIVE BELT TENSION

Guides on inspecting and adjusting drive belt tension.

CHAPTER 11 MACHINE ADJUSTMENTS

11-1) ADJUSTING THE TRIMMERS

Details adjusting trimmer position and blade angle.

11-2) ADJUSTING THE TRIMMER RETURN SPRING

Guides on adjusting the trimmer return spring for proper blade function.

11-3) ADJUSTING UPPER THREAD HOLDING UNIT

Explains how to adjust the upper thread holding lever and related parts.

11-4) PICKER ADJUSTMENT

Details adjusting the picker position and starting height.

11-5) ADJUSTING UPPER THREAD HOLDER

Guides on adjusting sensor springs and wiper clutch for the upper thread holder.

11-6) ADJUSTING LOW-NOISE PRESSER FOOT

Details the assembly and adjustment of the low-noise presser foot cam.

11-7) Relationship between Presser Foot and Needle

Explains the relationship between presser foot height and needle action.

11-8) CORRECT POSITION OF NEEDLE

Guides on checking and adjusting the needle's position on all heads.

11-9) ADJUSTING HALF-TURN FILM FOR COLOR CHANGE

Details adjusting the half-turn film for automatic color change.

11-10) ENCODER ADJUSTMENT

Guides on adjusting the encoder if the needle bar stops incorrectly.

11-11) JUMP MOTOR ADJUSTMENT

Explains adjusting the standby position and manual clutch for the jump motor.

11-12) ADJUSTING DRIVE BELT TENSION

SunStar SWF/C-UH1508-45 Specifications

General IconGeneral
BrandSunStar
ModelSWF/C-UH1508-45
CategorySewing Machine
LanguageEnglish

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