Brother BAS-705 User Manual

CONTENTS
1. PART NAMES AND SPECIFICATIONS ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 1
1-1 Part names1 ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 1
1-2 Specifications ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 1
1-3 Program list ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 2
2. PREPARATION ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 3
2-1 Installing the machine ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 3
2-2 Removing the machine head fixing bolt ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 4
2-3 Removing the BM support slide shaft fixing screw ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 4
2-4 Installing the auxiliary legs‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 5
2-5 Checking the loop cutting‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 5
2-6 Lubrication ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 6
2-6-1 Machine mechanism ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 6
2-6-2 Presser foot mechanism ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 7
2-7 Installing the cotton stand ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 7
2-8 Using the air unit ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 8
2-9 Pulley rotation direction ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 8
2-10 Threading belt loop ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 9
2-11 Detal on standard date setting ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 10
2-12 Checking the sewing data ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 10
2-13 Initializing the sewing data ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 11
3. PANEL OPERATION ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 12
3-1 Explanation of panel ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 12
3-2 Data setting methods ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 13
3-2-1 Setting the belt loop feeding-out length ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 13
3-2-2 Setting the bobbin counter ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 14
3-2-3 Clearing production counter ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 15
3-2-4 Setting the machine sewing speed ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 16
3-2-5 Loop feeding‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 17
3-2-6 Setting the program number‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 18
3-2-6-1 Pattern selection mode‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥19
3-2-7 Setting the X scale and Y scale ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 20
3-2-8 X and Y step feed ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 21
3-2-9 X-Y feed at real speed ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 22
3-2-10 X-Y movement ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 23
4. SEWING ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 24
4-1 Replacing needle ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 24
4-2 Threading the upper thread ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 25
4-3 Winding bobbin thread ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 26
4-4 Replacing the bobbin case and threading the thread ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 27
4-5 Sewing conditions and thread tension ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 28
4-5-1 Sewing conditions ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 28
4-5-2 Upper thread tension ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 28
4-5-3 Lower thread tension ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 28

Brother BAS-705 Specifications

General

Brand	Brother
Model	BAS-705
Category	Sewing Machine
Language	English

Summary

Preparation

Initializing the Sewing Data

Procedure to reset sewing data to factory defaults, including error code E-160.

Sewing

Sewing Conditions and Thread Tension

Guidelines for optimal sewing parameters and thread tension settings.

Handling Upper Thread Breakage Errors

Procedure to handle upper thread breakage errors (E-181, E-182).

Automatic Sewing

Steps to start and manage automatic sewing operations.

Belt Loops Run Out During Automatic Sewing

How to respond when the belt loop supply is exhausted during sewing.

Machine Stops During Sewing

Action to take if the machine stops unexpectedly during operation.

Emergency Stop Switch Activation

Procedure to clear the machine after using the emergency stop.

Resetting the Belt Loops

How to reset the belt loop mechanism using the LOOP switch.

Troubleshooting Upper Thread Breakage

Troubleshooting upper thread breakage errors (E-181, E-182).

Standard Adjustment (Machine Head)

Adjusting the Needle Bar Height

Procedure to adjust the needle bar to the correct height.

Needle Bar Lift Stroke Adjustment

Adjusting the vertical movement stroke of the needle bar.

Shuttle Driver Needle Contact Adjustment

Adjusting the contact between the shuttle driver and the needle.

First Bar Tacking Shuttle Driver Contact

Specific adjustment for first bar tacking.

Second Bar Tacking Shuttle Driver Contact

Specific adjustment for second bar tacking.

Needle to Shuttle Hook Point Gap Adjustment

Setting the correct gap between the needle and shuttle hook point.

First Bar Tacking Needle-Hook Gap

Setting the gap for the first bar tacking.

Second Bar Tacking Needle-Hook Gap

Setting the gap for the second bar tacking.

Adjusting the Shuttle Hook Thread Guide

Aligning the shuttle hook thread guide correctly.

Adjusting the Movable Knife

Procedure for adjusting the movable knife for proper cutting.

First Bar Tacking Movable Knife Adjustment

Adjustment for the movable knife in first bar tacking.

Second Bar Tacking Movable Knife Adjustment

Adjustment for the movable knife in second bar tacking.

Replacing the Movable and Fixed Knife

Steps to replace the movable and fixed knives.

Adjusting the Thread Wiper

Adjusting the position and height of the thread wiper.

First Bar Tacking Thread Wiper Adjustment

First bar tacking thread wiper adjustment.

Second Bar Tacking Thread Wiper Adjustment

Second bar tacking thread wiper adjustment.

Adjusting the Width Between the Needles

Adjusting the spacing between the needles for different stitch widths.

Standard Adjustment (Mechanisms)

Adjustments for Belt Loop Length Change

Adjustments needed after altering belt loop length.

Adjusting Fork Bracket F

Adjusting the fork bracket to match needle width.

Adjusting Slider Base F

Adjusting the slider base for proper loop handling.

Adjusting Slider Bracket Height

Setting the correct height for the slider bracket.

Replacing Loop Pressers

How to replace loop pressers, including wider types.

Adjusting Upper Guide Plates

Adjusting upper guide plates to prevent belt loop curling.

Adjustments for Belt Loop Width Change

Adjustments for when belt loop width changes.

Adjusting Channel

Adjusting the channel for correct belt loop passage.

Adjusting Width Adjustment Plate

Adjusting Loop Guide Spring

Adjustments for Belt Loop Thickness Change

Adjusting Joint Sensor

Adjusting Loop Support T

Replacing Fork Bracket and Shafts

Adjusting Fork Shaft and Belt Loop Transfer Height

Adjusting the Looseness of Belt Loops

Adjusting the Folding Margin

Adjusting the Folding

Replacing Movable and Fixed Knife

Steps for replacing the movable and fixed knives.

Adjusting Belt Loop and Presser Foot Height

Adjusting belt loop and presser foot height for proper operation.

DIP Switch Settings

Panel DIP Switch Functions

Main Circuit Board DIP Switch Functions

Troubleshooting Error Codes

E-100 EMERGENCY STOP Switch Selected During Automatic Sewing

Solution for emergency stop activation during automatic sewing.

E-101 START Switch On When Power Turned On

E-102 EMERGENCY STOP Switch On When Power Turned On

E-104 Second Bar Tacking Lower Shaft Module Open at Power On

E-106 Second Bar Tacking Lower Shaft Unit Open or Low Air Pressure

E-107 Abnormal Power Supply Voltage

E-110 Malfunction of Loop Feed 1 Sensor

E-111 Malfunction of Loop Feed 2 Sensor

E-112 Malfunction of Loop Feed 3 Sensor

E-113 Malfunction of Loop Feed 4 Sensor

E-118 Malfunction of Loop Down Sensor

E-120 Loop Feeder Retracted

E-160 Corrupted Sewing Data

Solution for corrupted sewing data (length, counter, speed).

E-170 Lower Shaft Module Open During Sewing

E-171 Lower Shaft Module Locking Error

E-190 Loop Setting Error

E-1A0 Communication Error (Main to X-Y Feed Circuit)

E-1A1 Communication Error (Main to Panel Circuit)

E-202 Motor Operation or Synchronizer Signal Issues

Solution for motor operation or synchronizer signal issues.

E-203 Pattern Outside Sewing Area (Scale Check)

E-204 Pattern Exceeds Max Pitch (Scale Check)

E-20A Error Detecting X or Y Home Position

E-20D Overheating of X-Y Feed Circuit Board

E-20E EEPROM Read/Write Error (X-Y Feed Circuit)

E-302 EEPROM Read/Write Error (Main Circuit)

E-320 Synchronization Error

Solution for synchronization errors.

E-323 Upper Shaft Sensor Detection Error

E-324 Start Position Error

E-325 Incorrect Upper Shaft Installation Position

E-330 Motor Malfunction or Tripped Driver

Solution for motor malfunctions or tripped drivers.

Troubleshooting

Machine Head Troubleshooting

Troubleshooting common problems related to the machine head.

Mechanisms Troubleshooting

Troubleshooting common problems related to the machine mechanisms.