Brother BAS-341H Manuals

Table of Contents

• • 9

    Table of Contents

• 10

  1 Names of Major Parts

• 11

  2 Specifications

• 12

  3 Installation

  • 13

    Table Processing Diagram
  • 14

    Installing the Control Box
  • 15

    Installing the Oil Pan and Support Lever Base
  • 15

    Installing the Machine Head
  • 16

    Tilting Back and Returning the Machine Head
  • 17

    Installing the Gas Spring
  • 18

    Installing the LCD Panel
  • 19

    Installing the Solenoid Valve Assembly
  • 19

    Connecting the Air Tubes
  • 19

    Installing the Air Hose
  • 20

    Installing the Two-Pedal Foot Switch
  • 20

    Installing the Cords
  • 24

    Connecting the Ground Wire
  • 25

    Securing the Cords and Air Tubes
  • 26

    Connecting the Power Cord
  • 29

    Installing the Eye Guard
  • 29

    Installing the Cotton Stand
  • 30

    Lubrication
  • 31

    Checking the Machine Head Switch

• 32

  4 Preparation before Sewing

  • 32

    Installing the Needle
  • 32

    2-Pedal Foot Switch Operation Method
  • 33

    Threading the Upper Thread
  • 35

    Winding the Lower Thread
  • 36

    Installing the Bobbin Case
  • 37

    Thread Tension
    • 37

      Lower Thread Tension
    • 38

      Upper Thread Tension
  • 39

    Starting Up
  • 40

    Setting 2-Step Operation for the Work Clamp

• 41

  5 Sewing

  • 42

    Using the STOP Switch

• 43

  6 Cleaning

  • 43

    Cleaning the Rotary Hook
  • 43

    Draining the Oil
  • 44

    Cleaning the Regulator
  • 44

    Checking the Control Box Air Inlet Ports
  • 44

    Cleaning the Eye Guard
  • 44

    Checking the Needle
  • 44

    Lubrication

• 45

  Adjusting the Sensitivity of the Thread Breakage Sensor

• 45

  7 Standard Adjustments

• 46

  Thread Take-Up Spring

  • 46

    Arm Thread Guide R
  • 47

    Adjusting the Needle Bar Height
  • 47

    Adjusting the Needle and Rotary Hook Timing
  • 48

    Adjusting the Driver (Needle Guard) Position
  • 48

    Adjusting the Clearance Between the Needle and Rotary Hook Tip
  • 48

    Adjusting the Shuttle Race Thread Guide
  • 49

    Rotary Hook Lubrication Amount
  • 50

    Adjusting the Position of the Movable Knife
  • 52

    Replacing the Movable and Fixed Knives
  • 53

    Installing the Feed Plate
  • 53

    Adjusting the Thread Wiper
  • 54

    Intermittent Presser Foot Installation Position
  • 54

    Adjusting the Intermittent Presser Foot
  • 56

    Adjusting the Work Clamp Lift Amount
  • 56

    Adjusting the Air Pressure
  • 57

    Adjusting the Speed Controller
  • 58

    If Processing the Work Clamps and the Feed Plate to a Shape That Matches the Sewing Pattern

• 60

  8 List of Error Codes

• 66

  9 Troubleshooting