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Brother International BES-963 Instruction Manual - English - Page 170

Mechanical

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Chapter 10 Troubleshooting Mechanical Section Check these points once again Problem Check Point Thread breakage • Is the machine properly threaded? • Is thread tension too high? • Is the rotary hook assembly clogged? • Is there thread in the bobbin? • Is the needle bent? • Is there a rough edge or flaw on the needle plate, rotary hook, or bobbin case that might cut the thread? • Is the needle installed correctly (direction, angle, etc.) • Is the presser foot in contact with the material? • Are the thread thickness and needle size correct? • Is a thread with right-hand twist being used? (If such a thread is used, replace with a thread with left-hand twist.) • Is there any adhesive on the needle? • Is the material tension too weak? • Is there too much play between the outer rotary hook and inner rotary hook? • Does the outer rotary hook turn smoothly? • Is the clearance between the rotary hook stopper and the rotary hook adjusted correctly? • Does the thread come out from the bobbin case smoothly? Needle (presser foot) interference with embroidery hoop • Is the embroidery hoop too small? • Check the size and needle start position in the sewing data. Needle breakage • Is the needle attached correctly (direction, height, etc.)? • Is the needle bent? • Is the rotary hook attached correctly? • Is the timing set correctly? • Is there any backlash with the needle bar case (back/forth and right/left)? • Is the rotary hook stopper correctly attached to stop the rotary hook? • Is the needle size correct and the tip sharp? • Does the thread pass through the hole center of the presser foot? Not embroidered properly • Is the material edge caught in the machine? (Are embroidery hoop and other related parts operating correctly?) • Is the material stretched properly? • Is thread tension proper? Does the lower thread come out smoothly? Machine operation abnormal • Is any set screw of the rotary encoder loosened? • Is any set screw of the machine pulley loosened? • Is any set screw of the machine motor pulley loosened? • Is embroidery data normal? • Is the XY carriage belt loosened? 168 BES-963BC • BES-1263BC

Section	Page
Cover-top	1
SAFETY INSTRUCTIONS	3
Before Starting Operation	8
Procedure of Reading This Manual	10
Screen Composition	12
Contents	14
Chapter 1 Preparation of Embroidery Machine	19
1. Specifications	20
2. Names of Machine Components	21
3. Installation	22
3-1 Transportation of Machine	22
3-2 Installation of Machine	24
3-3 Preparation of Needle Bar Case	25
3-4 Mounting of Table	27
3-5 Mounting of Cotton Stand	31
3-6 Lubrication to Needle Bar Case	33
3-7 Grounding	34
4. Preparation for Embroidering	35
4-1 Upper Threading	35
4-2 Replacement of Bobbin	38
4-3 Replacing and Selecting Needle	39
4-4 Attachment of Embroidery Hoop and Frame	40
4-5 Adjustment of Thread Tension	47
Chapter 2 Embroidering Procedures	49
Functions of Operation Panel	50
Operation Panel	50
Switches at Machine Heads	53
Switches on Tension Plate	53
Flowchart of Preparation for Embroidering	55
Turn on the Machine Power	56
Retrieve the Embroidery Data	57
Start Embroidering	57
Chapter 3 Selection of Data and Embroidering	59
What Can the Machine Do?	60
Selection of Data	61
Registration of Embroidery Data from Floppy Disk	61
Reading from Memory	64
Registration of Embroidery Data from BE-100	65
Deletion of Embroidery Data from Machine Memory	66
Modification of Embroidery Data Name	68
Sewing Operation	72
Before Starting Sewing	72
Starting Sewing Operation	72
Feedhold and Cancellation of Sewing	73
Step Forward and Step-Back	74
Step Forward/Step-Back Mode	74
Setting Amount or Timing of Step Forward/Step-Back	74
For Step Forward (Back)	75
Resuming Sewing	75
Writing the embroidering data	76
Chapter 4 Editing of Embroidering Data	77
What Can the Machine Do?	78
Rotation	79
Enlargement and Reduction	80
Mirror	82
Repetition	84
Other Editing	86
Chapter 5 Setting	89
What Can the Machine Do?	90
Setting of Needle Bars	92
Thread Breakage Sensor	94
Setting of sensor validity/invalidity	94
Thread Breakage Sensitivity	94
Automatic Step-Back	95
Setting of Lower Thread Counter/Stitch Counter	96
Setting of Machine	97
Embroidery Hoop	97
Speed Range	98
Speed of Each Speed Range	99
Setting of Mending	100
Thread Trimming Length	102
Thread Withdrawal Feed Length	102
Inching	103
Sewing Area	104
Registration of Sewing Start Position	105
Hoop Retract Point	105
Hoop Automatic Retract	106
Movement to Registered Sewing Start Point	106
Setting of Environment	107
Return to Start Point	107
Speed Range	107
Checking the Embroidery Area	108
Power Voltage	109
Setting of RS-232C Communication Speed	109
Display Language	110
Alarm Sound	111
Motive Speed	112
Small-Pitch Deletion	113
Release B1 error	114
Boring	115
Lock Stitch	116
Speed Limit in a Short Pitch	119
Feed Timing	120
Automatic Input Setting	121
Display of Information	124
Pattern Information	124
Features of Machine	125
Information about Versions	126
Chapter 6 Operation of Machine	127
1. Operating Procedures	128
1-1 Power Source	128
1-2 Preparation for Embroidering	128
2. Machine Stop	129
2-1. Stopping the Machine	129
2-2. Resetting Machine Stop	129
2-3. Emergency Stop of the Machine	129
2-4. Resetting Emergency Stop	129
3. Measures against Thread Breakage	130
3-1 Remedies	130
3-2 Mending	131
4. Jog Embroidering	133
5. Hoop Feed Position	133
6. Area Check	134
6-1 External Tracing	134
6-2 Automatic Hoop Movement in Area	134
7. Jog Switches	135
7-1 Hoop Movement to Start Position	135
7-2 Inching Mode during Embroidering (Forcible Hoop Movement)	136
8. Detection of Home position	137
Chapter 7 Maintenance	139
1. Cleaning	140
1-1 Cleaning and Lubrication of Rotary Hook	140
1-2 Cleaning of Needle Plate	141
1-3 Cleaning of Lower Shaft Module Fan	141
2. Oiling	142
2-1 Head	142
3. Greasing	144
3-1 Head	144
3-2 Feed Guide Section	148
Chapter 8 Adjustment	149
1. Adjusting Needle Bar Height	150
2. Replacing (Attaching) Rotary Hook	154
3. Adjustment of Clearance Between Needle and Rotary Hook	155
4. Adjustment of Timing Between Needle and Rotary Hook	156
5. Adjustment of Presser Foot Height	157
6. Adjustment of Thread Trimmer	158
6-1 Attaching the Fixed Knife	158
6-2 Checking the Movable Knife Position	158
7. Thread Wiper Adjustment	160
8. Adjusting the Belt Tension	161
Chapter 9 Error code list	163
Chapter 10 Troubleshooting	169
Mechanical Section	170
Electrical Section	172
Connection and Installation of Optional Equipment	181
Attaching Bobbin Winder	182

Match case Limit results 1 per page

BES-963BC • BES-1263BC

168

Chapter 10

Troubleshooting

Machine operation abnormal

•

Is any set screw of the rotary encoder loosened?

•

Is any set screw of the machine pulley loosened?

•

Is any set screw of the machine motor pulley loosened?

•

Is embroidery data normal?

•

Is the XY carriage belt loosened?

•

Is thread tension too high?

•

Is the rotary hook assembly clogged?

•

Is there thread in the bobbin?

•

Is the needle bent?

•

Is there a rough edge or flaw on the needle plate, rotary hook, or

bobbin case that might cut the thread?

•

Is the needle installed correctly (direction, angle, etc.)

•

Is the presser foot in contact with the material?

•

Are the thread thickness and needle size correct?

•

Is a thread with right-hand twist being used?

(If such a thread is

used, replace with a thread with left-hand twist.)

•

Is there any adhesive on the needle?

•

Is the material tension too weak?

•

Is there too much play between the outer rotary hook and inner

rotary hook?

•

Does the outer rotary hook turn smoothly?

•

Is the clearance between the rotary hook stopper and the rotary

hook adjusted correctly?

•

Does the thread come out from the bobbin case smoothly?

Needle (presser foot) interference with embroidery hoop

Mechanical Section

Thread breakage

•

Is the machine properly threaded?

•

Is the embroidery hoop too small?

• Check the size and needle start

position in the sewing data.

Needle breakage

• Is the needle attached correctly

(direction, height, etc.)?

•

Is the needle bent?

•

Is the rotary hook attached correctly?

•

Is the timing set correctly?

•

Is there any backlash with the needle bar case (back/forth and

right/left)?

•

Is the rotary hook stopper correctly attached to stop the rotary

hook?

•

Is the needle size correct and the tip sharp?

•

Does the thread pass through the hole center of the presser

foot?

Not embroidered properly

•

Is the material edge caught in the machine?

(Are embroidery hoop and other related parts operating

correctly?)

•

Is the material stretched properly?

•

Is thread tension proper?

Does the lower thread come out smoothly?

Check these points once again

Problem

Check Point