CONTENTS
Safety instructions ⅰ - iv
1. Name of each part 1
2. Installation 2
2.1 Semi-submerged type 2
2.2 Full-submerged type 5
2.3 Motor, pulley and belt 8
2.4 Hanging belt 9
2.5 Belt cover 9
2.6 Eye guard and nger guard 10
2.7 Thread guide plate 10
2.8 Tape stand (VF2403, 2404, 2503, 2504) 11
2.9 Tape holder (VF2404, 2504) 11
3. Sewing speed and rotating direction of pulley 12
4. Lubrication 13
4.1 Lubricating oil 13
4.2 Lubricating 13
4.3 Changing oil 14
4.4 Checking and replacing oil leter 14
5. Proper operation 15
5.1 Needle system 15
5.2 Installing needles 15
5.3 Threading 16
5.4 Adjusting thread tension 17
5.5 Pressure of presser foot 17
5.6 Adjusting position of presser foot 17
5.7 Adjusting differential feed dog 18
5.8 Adjusting stitch length 19
5.9 HR device and SP device 20
5.10 Setting tape (VF2403, 2503, 2404, 2504) 21
5.11 Metering device (only for VF2404 and VF2504) 21
5.12 Adjusting hemming guide (VF2411) 23
5.13 Cleaning the machine 23
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