Brother T-8752C Manuals

• 3

  Safety Instructions
• 5

  Maintenance and Inspection
• 8

  Table of Contents

10

1 Machine Specifications

12

2 Names of Major Parts

13

3 Installation

• 13

  Carrying the Machine
• 13

  Tilting Back the Machine Head
• 14

  Installation
• 14

  Table Processing Diagram
  • 15

    Oil Pan
  • 16

    Machine Head
  • 16

    Operation Panel
  • 16

    Cotton Stand
• 18

  Lubrication
• 20

  Connecting the Cords
  • 20

    Opening the Control Box Cover
  • 22

    Other Cords
• 25

  Test Operation (Operating the Treadle)
• 26

  Adjusting the Treadle Operation

27

4 Preparation before Sewing

• 27

  Installing the Needle
• 28

  Removing the Bobbin
• 29

  Winding the Lower Thread
• 30

  Installing the Bobbin
• 32

  Threading the Upper Thread
• 34

  Adjusting the Stitch Length
• 34

  Using the Knee Lifter
• 34

  Using the Thread Wiper (Models with Thread Trimmer Only)
• 35

  Corner Sewing Method (T-8452C, 8752C)
  • 35

    To Stop the Needle Bars (Right and Left)
  • 35

    Number of Stitches: Quick-Reference Guide

36

5 Using the G50 Operation Panel (Basic Operations)

• 36

  Names and Functions
• 38

  Sewing Start and End Backtack Stitches
• 39

  Sewing Continuous Backtack Stitches
• 40

  Sewing Fixed Stitches
• 41

  Sewing Pleat Presser Stitches
• 42

  Using the Lower Thread Counter

43

6 Using the G50 Operation Panel (Advanced Operations)

• 43

  Names and Functions
• 44

  Adjusting the Needle Up Stop Position
• 45

  LOCK Key
• 46

  Resetting All Settings to Their Defaults

47

7 Using the G10 Operation Panel (Basic Operations)

• 47

  Names and Functions
• 48

  Sewing Start and End Backtack Stitches
• 49

  Sewing Continuous Backtack Stitches

50

8 Using the G10 Operation Panel (Advanced Operations)

• 50

  Changing the Needle Stop Position
• 51

  Slow Start
• 52

  Correction Sewing
• 53

  Thread Trimming Lock (Models with Thread Trimmer Only)
• 54

  Setting the Maximum Sewing Speed
• 55

  Adjusting the Needle Up Stop Position
• 56

  Lock Function
• 56

  Resetting All Settings to Their Defaults

57

9 Sewing

• 58

  Backtacking
• 59

  Sewing Condensed Stitches

60

10 Thread Tension

• 60

  Adjusting the Thread Tension
• 61

  Adjusting the Presser Foot Pressure
• 62

  Adjusting the Presser Foot Floating Amount (Minute Lifting Amount)
• 62

  Adjusting the Trailing Length After Thread Trimming (Models with Thread Trimmer Only)
• 63

  Adjusting the Thread Take-Up Amount

64

11 Cleaning

• 64

  Daily Cleaning Procedures
• 65

  Lubricating Via the Oil Cover (Every 6 Months)
• 65

  Draining Lubricating Oil
• 66

  Applying Grease (Semi Dry Specifications) [When "Grup" Appears
• 69

  Applying Grease (Semi Dry Specifications) [When "Grup" Appears

72

12 Adjusting the Rotary Hook Lubrication Amount

73

13 Standard Adjustment

• 73

  Safety Switch Position
• 74

  Thread Take-Up Amount for Thread Take-Up Spring
• 75

  Thread Take-Up Spring Tension
• 76

  Clearance Between Rotary Hook and Needle Plate
• 77

  Clearance Between Rotary Hook and Opener
• 77

  Presser Foot Height
• 78

  Needle and Rotary Hook Timing
• 80

  Installing the Feed Dog
• 81

  Feed Dog Position
• 82

  Feed Dog Height
• 83

  Feed Dog Angle

84

14 Troubleshooting

• 84

  Sewing
• 89

  Error Code Displays

93

15 Segment Display

• 94

  Instruction Manual

• 5

  Table of Contents
• 6

  Machine Body
• 8

  Upper Shaft Mechanism
• 10

  Needle Bar Rocking Mechanism
• 12

  D. Presser Foot Mechanism
• 14

  E. Feed Mechanism
• 16

  F. Quick Reverse Mechanism
• 18

  Feed Shaft Mechanism
• 20

  Gauge Parts

28

J3. Rotary Hook Mechanism

28

J2. Rotary Hook Mechanism (T-8422C)

• 30

  K. Lower Shaft Mechanism
• 32

  Lubrication
• 36

  Threading Mechanism
• 38

  Bobbin Winder Mechanism
• 40

  P. Thread Trimmer Mechanism
• 44

  Tension Release Mechanism (T-8422C)
• 46

  Thread Wiper Mechanism (T-8422C)

48

S1. Control Box and Motor Mechanism

50

S2. Control Box Mechanism

52

S3. Control Box Mechanism

• 55

  Quick Reverse Switch Mechanism
• 56

  Power Supply Equipment Mechanism
• 59

  Presser Foot Lifting Solenoid Set Mechanism (Option Parts)

60

Z1. Accessories

62

Z2. Accessories

64

Wa. Warning Labels

66

Sp. Different Parts List

• 68

  Gauge Parts List
• 78

  Index

• 3

  Instrucciones De Seguridad
• 8

  Table of Contents

9

1 Funciones Útiles Para Costura6. Costura

• 9

  Ideal

10

2 Nombres De Las Piezas Principales

11

3 Instalacion

• 12

  Diagrama De Procesado Para Mesa De Montaje
• 12

  Instalación
  • 13

    Bandeja De Aceite
  • 14

    Panel De Controles
  • 14

    Soporte Del Carrete
• 16

  Lubricación
• 18

  Conexión De Los Cables
  • 18

    Apertura De La Cubierta De La Caja De Controles
• 23

  Funcionamiento De Prueba (Usando El Pedal)
• 24

  Ajuste El Funcionamiento Del Pedal

25

4 Preparativos Antes De Coser

• 25

  Colocación De La Aguja
• 26

  Manera De Sacar La Bobina
• 27

  Bobinado Del Hilo Inferior
• 28

  Instalación De La Bobina
• 30

  Enhebrado Del Hilo Superior
• 32

  Ajuste Del Largo De Puntada
• 32

  Usando La Palanca Del Levantador De Rodilla
• 32

  Uso Del Retirador De Hilo (Solo Modelos Con Cortahilos)
• 33

  Método De Costura De Esquinas (T-8452C, 8752C)
  • 33

    Para Que Dejen De Funcionar Las Barras De La Aguja (Izquierda Y Derecha)
  • 33

    Número De Puntadas: Para Una Rápida Referencia

34

5 Utilizando El Panel De Control G50 (Operaciones Basicas)

• 34

  Nombres Y Funciones
• 36

  Puntadas De Rematado Por Atrás Inicial Y Final

37

6 Costura