16
BE-1204B-BC ° BE-1204C-BC ° BE-1206B-BC
Contents
Chapter 9
Maintenance
1. Cleaning
....................................................................................................................................................................
9-2
1-1 Cleaning and Lubrication of Rotary Hook
..........................................................................................................
9-2
1-2 Cleaning of Needle Plate
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9-3
2. Oiling
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9-4
2-1 Head
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9-4
2-2 Lower shaft
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9-5
3. Greasing
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9-6
3-1 Cam grooves
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9-6
3-2 Lower gear
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9-8
3-3 Driving shaft
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9-8
3-4 Needle bar flip-up mechanism
...........................................................................................................................
9-9
3-5 Feed Guide Section
.........................................................................................................................................
9-10
Chapter 10
Adjustment
1. Adjusting Needle Bar Height
.................................................................................................................................
10-2
2. Attachment and Adjustment of Rotary Hook
........................................................................................................
10-6
3. Adjustment of Presser Foot Height
.......................................................................................................................
10-8
4. Thread Wiper Adjustment
......................................................................................................................................
10-9
Chapter 11
Error code list
Chapter 12
Troubleshooting
Mechanical Section
....................................................................................................................................................
12-2
Electrical Section
........................................................................................................................................................
12-4
Personal Computer Section
......................................................................................................................................
12-8
Chapter 13
Connection and Installation of Optional Equipment
1. Attaching Bobbin Winder
.......................................................................................................................................
13-2