Chapter 9 Maintenance; 1. Cleaning.....................................................................................................................................................................9-2; 2. Oiling..........................................................................................................................................................................9-4- Page 17

BE-0901E-AC-PC• BE-1201B-AC-PC

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Contents

Chapter 9  Maintenance

1. Cleaning.....................................................................................................................................................................9-2

1-1 Cleaning and Lubrication of Rotary Hook ..........................................................................................................9-2
1-2 Cleaning of Needle Plate ...................................................................................................................................9-3

2. Oiling..........................................................................................................................................................................9-4

2-1 Head ..................................................................................................................................................................9-4

Chapter 10    Adjustment

1. Adjusting Needle Bar Height..................................................................................................................................10-2
2. Adjustment of Timing Between Needle and Rotary Hook ...................................................................................10-6
3. Adjustment of Presser Foot Height .......................................................................................................................10-7
4. Adjustment of Thread Trimmer ..............................................................................................................................10-8
5. Thread Wiper Adjustment ......................................................................................................................................10-9
6. Adjusting the Belt Tension ...................................................................................................................................10-10

Chapter 11  Error code list

Chapter 12  Troubleshooting

Mechanical Section.....................................................................................................................................................12-2
Electrical Section ........................................................................................................................................................12-4

Chapter 13    Connection and Installation of Optional Equipment

1. Attaching Bobbin Winder .......................................................................................................................................13-2