Instruction Manual
Page 3
... 6.4 Crank Shaft Drive Components 28 6.5 Thread Tension Components 30 6.6 Thread Guide and Thread Take-up Components (1) 32 6.7 Thread Guide and Thread Take-up Components (2) 34 6.8 Thread Guide and Thread Take-up Components (3) 36 6.9 Needle Bar Components (1) 38 6.10 Needle Bar Components (2) 40 6.11 Needle Plate and Needle Guard Components 42 6.12 Upper Looper Components 44 6.13 Lower...
... 6.4 Crank Shaft Drive Components 28 6.5 Thread Tension Components 30 6.6 Thread Guide and Thread Take-up Components (1) 32 6.7 Thread Guide and Thread Take-up Components (2) 34 6.8 Thread Guide and Thread Take-up Components (3) 36 6.9 Needle Bar Components (1) 38 6.10 Needle Bar Components (2) 40 6.11 Needle Plate and Needle Guard Components 42 6.12 Upper Looper Components 44 6.13 Lower...
Instruction Manual
Page 12
... on Figure 6. Remove the rubber plug and fill the lubricant oil (Singer Oil) until the indicator of the oil level between 'L' and 'H' lines of use. When using the machine for some time, oil the needle bar top, the guides and looper before oiling and assuming the direction of the motor rotation. After...
... on Figure 6. Remove the rubber plug and fill the lubricant oil (Singer Oil) until the indicator of the oil level between 'L' and 'H' lines of use. When using the machine for some time, oil the needle bar top, the guides and looper before oiling and assuming the direction of the motor rotation. After...
Instruction Manual
Page 16
Tension Nut 3: controls the thread in the right needle. Therefore the pressure of the cloth, sewing thread, 4 4 4 4 5 sewing width, 2 stitch length and 21 21 21 others. Figure 16 To tighten To loosen 3 2 1 Figure 17 ... in Thread Tension Adjustment case of the safety stitch. ally adjusted for each case. Tension Nut 1: controls the needle thread or the left thread in the lower looper. Tension Nut 5: controls the thread of two needles. 3.8 The following adjustments are related to the 3 3 3 3 type and thickness of the tension nuts or thread...
Tension Nut 3: controls the thread in the right needle. Therefore the pressure of the cloth, sewing thread, 4 4 4 4 5 sewing width, 2 stitch length and 21 21 21 others. Figure 16 To tighten To loosen 3 2 1 Figure 17 ... in Thread Tension Adjustment case of the safety stitch. ally adjusted for each case. Tension Nut 1: controls the needle thread or the left thread in the lower looper. Tension Nut 5: controls the thread of two needles. 3.8 The following adjustments are related to the 3 3 3 3 type and thickness of the tension nuts or thread...
Instruction Manual
Page 20
... installed and adjusted. The oil filter should be properly tight. To clean or replace the oil filter, follow the instructions of the needle holder, guides and looper guides before resuming the operation. Check and be sure the V-belt is running, oil will be sprayed into the oil window. Figure 28 4.2 Oil...
... installed and adjusted. The oil filter should be properly tight. To clean or replace the oil filter, follow the instructions of the needle holder, guides and looper guides before resuming the operation. Check and be sure the V-belt is running, oil will be sprayed into the oil window. Figure 28 4.2 Oil...
Instruction Manual
Page 21
... burrs . 8. Use good quality thread. 2. Fill in silicon oil or adjust needle guards. 8. Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 18 Needle damaged. 6. Skip stitches 4. Needle, looper, needle plate and guides have burrs. 10. Wrong passage of the needle. 2. Adjust the thread tension unit. Broken thread 5. Failure in stitches 3. Set...
... burrs . 8. Use good quality thread. 2. Fill in silicon oil or adjust needle guards. 8. Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 18 Needle damaged. 6. Skip stitches 4. Needle, looper, needle plate and guides have burrs. 10. Wrong passage of the needle. 2. Adjust the thread tension unit. Broken thread 5. Failure in stitches 3. Set...
Instruction Manual
Page 22
...8. Differential feed is too strong. 2. Thread tension inadequate. 6. Wrong relation of feed dog. 8. Adjust thread tension. 2. Use proper needle to cloth and thread. 1. Adjust looper cam. 3. Pass thread correctly. 5. Inadequate height of feed dog. 4. Inadequate thread tension. 1.... of needle with looper. 7. Inadequate pressure on presser foot. 3. Replace the part. 6. Wrong threading. 2. Needle is too thick. 1. Knives does not cut perfectly. 5. Thread guide or tension disc with burr. 8. Polish thread tension disc. Needle plate or...
...8. Differential feed is too strong. 2. Thread tension inadequate. 6. Wrong relation of feed dog. 8. Adjust thread tension. 2. Use proper needle to cloth and thread. 1. Adjust looper cam. 3. Pass thread correctly. 5. Inadequate height of feed dog. 4. Inadequate thread tension. 1.... of needle with looper. 7. Inadequate pressure on presser foot. 3. Replace the part. 6. Wrong threading. 2. Needle is too thick. 1. Knives does not cut perfectly. 5. Thread guide or tension disc with burr. 8. Polish thread tension disc. Needle plate or...
Instruction Manual
Page 43
... 9 20713018 10 207S11024 11 XXXXXXXX 12 207S14009 13 20713038 14 207S11024 15 XXXXXXXX Description 3 thread Needle holder assembly 0 Screw 0 Thread guide (except 321D-251H / 321K-251H) 0 Screw 0 Needle 0 Needle 0 Needle holder assembly 0 Screw 0 Thread guide 0 Screw 0 Needle holder assembly 1 Screw 1 Thread guide 1 Screw 1 Needle 1 Qty 4 thread 0 0 0 0 0 2 1 2 1 1 0 0 0 0 0 5 thread 1 2 1 1 2 0 0 0 0 0 0 0 0 0 0 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts...
... 9 20713018 10 207S11024 11 XXXXXXXX 12 207S14009 13 20713038 14 207S11024 15 XXXXXXXX Description 3 thread Needle holder assembly 0 Screw 0 Thread guide (except 321D-251H / 321K-251H) 0 Screw 0 Needle 0 Needle 0 Needle holder assembly 0 Screw 0 Thread guide 0 Screw 0 Needle holder assembly 1 Screw 1 Thread guide 1 Screw 1 Needle 1 Qty 4 thread 0 0 0 0 0 2 1 2 1 1 0 0 0 0 0 5 thread 1 2 1 1 2 0 0 0 0 0 0 0 0 0 0 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts...
Instruction Manual
Page 55
... 35 207S300011 36 20728003 37 207S16002 38 207S11011 39 30228009 40 20702007 41 20737001 42 H05018 43 20727005 44 20709007 Description Connection Pin Screw Needle bearing Eccentric Guide (Feed eccentric) Flat spring Screw Regulator assembly Screw Eccentriv assembly Spring Screw Ratchet Push button shaft Gaket O ring Washer Spring Ring Link Screw Ring...
... 35 207S300011 36 20728003 37 207S16002 38 207S11011 39 30228009 40 20702007 41 20737001 42 H05018 43 20727005 44 20709007 Description Connection Pin Screw Needle bearing Eccentric Guide (Feed eccentric) Flat spring Screw Regulator assembly Screw Eccentriv assembly Spring Screw Ratchet Push button shaft Gaket O ring Washer Spring Ring Link Screw Ring...
Instruction Manual
Page 67
... 23 207S11007 24 20709014 25 2070103000 Description Silicone oil reservoir Cover Felt Felt Thread guide Thread guide Screw Cover Oil felt Pin Silicone oil reservoir Cover Screw Oil wick Tube Clamp Needle thread lubricator Screw Plug Oil felt Pin Needle thread lubricator Screw Plug Silicone oil reservoir 3 thread 1 1 1 0 1 0 1 1 0 0 1 1 1 1 1 2 1 2 1 1 1 0 0 0 0 Qty 4 thread 1 1 1 0 1 0 1 1 0 0 1 1 1 1 1 2 1 2 1 1 1 0 0 0 0 5 thread 1 1 0 1 0 1 1 1 1 1 0 1 1 1 1 2 0 0 0 0 0 1 2 1 1 Ultra High Speed...
... 23 207S11007 24 20709014 25 2070103000 Description Silicone oil reservoir Cover Felt Felt Thread guide Thread guide Screw Cover Oil felt Pin Silicone oil reservoir Cover Screw Oil wick Tube Clamp Needle thread lubricator Screw Plug Oil felt Pin Needle thread lubricator Screw Plug Silicone oil reservoir 3 thread 1 1 1 0 1 0 1 1 0 0 1 1 1 1 1 2 1 2 1 1 1 0 0 0 0 Qty 4 thread 1 1 1 0 1 0 1 1 0 0 1 1 1 1 1 2 1 2 1 1 1 0 0 0 0 5 thread 1 1 0 1 0 1 1 1 1 1 0 1 1 1 1 2 0 0 0 0 0 1 2 1 1 Ultra High Speed...
Instruction Manual
Page 79
... 1 Screw 4 Knife supporter 1 Screw 1 Pressing block 1 Small knife support 1 Spring 1 Thread tension nut 1 Knife 1 Needle plate 1 Needle plate 0 Needle plate supporter (front) 1 Presser foot finger 1 Presser foot finger 0 Feed dog assembly 1 Feed dog assembly 0 Cloth plate 1 Thread guide plate 0 Thread tension plate 0 Nut 0 Frong frame 0 Thread tension releasing lever 0 Connector 0 Connector screw...
... 1 Screw 4 Knife supporter 1 Screw 1 Pressing block 1 Small knife support 1 Spring 1 Thread tension nut 1 Knife 1 Needle plate 1 Needle plate 0 Needle plate supporter (front) 1 Presser foot finger 1 Presser foot finger 0 Feed dog assembly 1 Feed dog assembly 0 Cloth plate 1 Thread guide plate 0 Thread tension plate 0 Nut 0 Frong frame 0 Thread tension releasing lever 0 Connector 0 Connector screw...
