Instruction Manual
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Instruction Manual and Parts List Ultra High Speed Overedge and Safety Stitch Machine 321D 131M-04 131M-04 / KS 132M-015 134M-04 241M-24 241M-24 / KS 244M-24 251M-35 251M-35 / KH 251M-55 251M-55 / KH 251M-56 251H-56 / KH 321K 131M-04 131M-04 / KS 132M-015 134M-04 241M-24 241M-24 / KS 244M-24 251M-35 251M-35 / KH 251M-55 251M-55 / KH 251M-56 251H-56 / KH ® Singer is a registered trademark of The Singer Company Limited or its affiliated companies. © 2010 Copyright The Singer Company Limited
Instruction Manual and Parts List Ultra High Speed Overedge and Safety Stitch Machine 321D 131M-04 131M-04 / KS 132M-015 134M-04 241M-24 241M-24 / KS 244M-24 251M-35 251M-35 / KH 251M-55 251M-55 / KH 251M-56 251H-56 / KH 321K 131M-04 131M-04 / KS 132M-015 134M-04 241M-24 241M-24 / KS 244M-24 251M-35 251M-35 / KH 251M-55 251M-55 / KH 251M-56 251H-56 / KH ® Singer is a registered trademark of The Singer Company Limited or its affiliated companies. © 2010 Copyright The Singer Company Limited
Instruction Manual
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... 7 3.3 Lubrication and Oil Drainage 9 3.4 Fill Silicon Oil to Reservoir 10 3.5 Needle Attachment (or Replacement) 10 3.6 Replacing Upper and Lower Knife 11 3.7 Machine Threading 12 3.8 Thread Tension Adjustment 13 3.9 Presser foot pressure 14 3.10 Adjusting the Differential Feed Rate 14 3.11 Stitch Length Adjustment 15 3.12 Parts Relation ...
... 7 3.3 Lubrication and Oil Drainage 9 3.4 Fill Silicon Oil to Reservoir 10 3.5 Needle Attachment (or Replacement) 10 3.6 Replacing Upper and Lower Knife 11 3.7 Machine Threading 12 3.8 Thread Tension Adjustment 13 3.9 Presser foot pressure 14 3.10 Adjusting the Differential Feed Rate 14 3.11 Stitch Length Adjustment 15 3.12 Parts Relation ...
Instruction Manual
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Contents 6 Parts list 21 6.1 Machine Bed Frame Components 22 6.2 Machine Cover Components (1) 24 6.3 Machine Cover Components (2) 26 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 ...62 6.22 Silicon Oil Reservoir Components 64 6.23 Exclusive Parts List for 321K series 66 6.24 Thread Stand Components 68 6.25 Accessories 70 6.26 Machine Support Plate For Semi-Submerged Components 72 6.27 Specific Parts for 321D-251 Hand 321K-251H 73 6.28 Optional Parts 74 6.29 Back Latch...
Contents 6 Parts list 21 6.1 Machine Bed Frame Components 22 6.2 Machine Cover Components (1) 24 6.3 Machine Cover Components (2) 26 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 ...62 6.22 Silicon Oil Reservoir Components 64 6.23 Exclusive Parts List for 321K series 66 6.24 Thread Stand Components 68 6.25 Accessories 70 6.26 Machine Support Plate For Semi-Submerged Components 72 6.27 Specific Parts for 321D-251 Hand 321K-251H 73 6.28 Optional Parts 74 6.29 Back Latch...
Instruction Manual
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... followed. Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 1 When using it as indicated in the product. Safety Instructions 1.1 Important Safety Instructions Important When using the machine. Singer will not be held responsible for any electric device... is damaged, the machine should be immediately stopped. • Before starting the machine in full running, a test must be conducted to assure...
... followed. Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 1 When using it as indicated in the product. Safety Instructions 1.1 Important Safety Instructions Important When using the machine. Singer will not be held responsible for any electric device... is damaged, the machine should be immediately stopped. • Before starting the machine in full running, a test must be conducted to assure...
Instruction Manual
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... wiring box and do not touch the components assembled inside the wiring box. • To avoid injuries do not run the machine without proper grounding. • To minimize the risk of the machine always turn it off when laying it down, or remove the belt cover and the belt. • If you... machine is equipped with a servomotor, it does not make noises while being driven.To avoid a possible accident caused by an unexpected start of accidents or damage ...
... wiring box and do not touch the components assembled inside the wiring box. • To avoid injuries do not run the machine without proper grounding. • To minimize the risk of the machine always turn it off when laying it down, or remove the belt cover and the belt. • If you... machine is equipped with a servomotor, it does not make noises while being driven.To avoid a possible accident caused by an unexpected start of accidents or damage ...
Instruction Manual
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Product Description and Machine Specification 2.1 Product Description Ultra high speed overedge and safety stitch machines Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 3
Product Description and Machine Specification 2.1 Product Description Ultra high speed overedge and safety stitch machines Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 3
Instruction Manual
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Needles Threads With Clutch Motor 2.2 Machine Specification Table 1 - Machine Specification Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 4 Singer Model Needle Gauge [mm] Overedge Bight [mm] Stitch Length [mm] Differential Rate Presser Foot Lift [mm] Singer Needle Cat Speed [spm] Application 321D-131M-04 4 321D-131M-04...
Needles Threads With Clutch Motor 2.2 Machine Specification Table 1 - Machine Specification Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 4 Singer Model Needle Gauge [mm] Overedge Bight [mm] Stitch Length [mm] Differential Rate Presser Foot Lift [mm] Singer Needle Cat Speed [spm] Application 321D-131M-04 4 321D-131M-04...
Instruction Manual
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Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 5 2.3 Motor, Motor Pulley and V-Belt Specifications 2.3.1 For 321D series ½ HP 2-pole clutch motor Motor pulley diameter M type v-belt Machine Speed [spm] 5,500 6,000 6,500 7,000 7,500 Table 2 Motor Pulley Diameter [mm] 50 Hz 60 Hz 110 90 115 95 130 105 140 115 150 125 2.3.2 For 321K series Direct drive servo motor and control system.
Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 5 2.3 Motor, Motor Pulley and V-Belt Specifications 2.3.1 For 321D series ½ HP 2-pole clutch motor Motor pulley diameter M type v-belt Machine Speed [spm] 5,500 6,000 6,500 7,000 7,500 Table 2 Motor Pulley Diameter [mm] 50 Hz 60 Hz 110 90 115 95 130 105 140 115 150 125 2.3.2 For 321K series Direct drive servo motor and control system.
Instruction Manual
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3 3.1 Table Cut-Out Diagram 1065 625 475 310 Setup and Adjustment Instructions 40 60 R25 13 R16 65 295 45 C-C R25 65 20 B 225 210 185 141 115 95 50 32 40 R24 48 250 A R24 47 C C B 155 55 40 A 117.95 97.31 118.5 138 190 550 Figure 1 98 110 240 345 358 A-A 25 13 B-B 25 25 1.5 3 9 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 6
3 3.1 Table Cut-Out Diagram 1065 625 475 310 Setup and Adjustment Instructions 40 60 R25 13 R16 65 295 45 C-C R25 65 20 B 225 210 185 141 115 95 50 32 40 R24 48 250 A R24 47 C C B 155 55 40 A 117.95 97.31 118.5 138 190 550 Figure 1 98 110 240 345 358 A-A 25 13 B-B 25 25 1.5 3 9 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 6
Instruction Manual
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For fullysubmerged assembly, the distance is around 5.0 mm. 3 2 1 9 10 12 4 5 7 6 8 11 Figure 2 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 7 3.2 Machine Installation Install the machine support components and the cloth waste chute as indicated in Figure 2. In case of semi-submerged assembly, the distance between the needle plate top surface and the table top is around 100 mm.
For fullysubmerged assembly, the distance is around 5.0 mm. 3 2 1 9 10 12 4 5 7 6 8 11 Figure 2 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 7 3.2 Machine Installation Install the machine support components and the cloth waste chute as indicated in Figure 2. In case of semi-submerged assembly, the distance between the needle plate top surface and the table top is around 100 mm.
Instruction Manual
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... it and make sure the motor turning direction is clockwise, referred to the Figure 3.(for 321D only) Figure 4 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 8 Connect the machine handwheel to the parts list. 3.2 Machine Installation Mount the machine head over the machine support plate.
... it and make sure the motor turning direction is clockwise, referred to the Figure 3.(for 321D only) Figure 4 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 8 Connect the machine handwheel to the parts list. 3.2 Machine Installation Mount the machine head over the machine support plate.
Instruction Manual
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... oil, simply remove screw indicated on Figure 7. This machine has an oil filter that put back the rubber plug. Then remove three screws and remove oil filter cap. Remove the rubber plug and fill the lubricant oil (Singer Oil) until the indicator of the oil level between ...'L' and 'H' lines of the motor rotation. After that must be cleaned every month or changed every six months. After draining the oil, replace the screw and fill the machine with new oil. Figure 6 Figure...
... oil, simply remove screw indicated on Figure 7. This machine has an oil filter that put back the rubber plug. Then remove three screws and remove oil filter cap. Remove the rubber plug and fill the lubricant oil (Singer Oil) until the indicator of the oil level between ...'L' and 'H' lines of the motor rotation. After that must be cleaned every month or changed every six months. After draining the oil, replace the screw and fill the machine with new oil. Figure 6 Figure...
Instruction Manual
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... needle to prevent needle thread breakage and fabric damage. Figure 8 3.5 Needle Attachment (or Replacement) Use only Singer's Cat. 6120 needles Loosen screw '1' as indicated on Figure 8. Figure 9 (b) Figure 10 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 10 Figure 9 (a) OK! 3.4 Fill Silicon Oil to Reservoir When sewing...
... needle to prevent needle thread breakage and fabric damage. Figure 8 3.5 Needle Attachment (or Replacement) Use only Singer's Cat. 6120 needles Loosen screw '1' as indicated on Figure 8. Figure 9 (b) Figure 10 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 10 Figure 9 (a) OK! 3.4 Fill Silicon Oil to Reservoir When sewing...
Instruction Manual
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... and lower knives so that midpoint 'A' on upper knife '4' and the midpoint of the needle plate 6 Figure 12 (b) Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 11 Move lower knife holder '2' to the overedge width (Figure 11). 3. Then tighten screw '1'. 4. Install a new knife by 0.5~1.0 mm according...
... and lower knives so that midpoint 'A' on upper knife '4' and the midpoint of the needle plate 6 Figure 12 (b) Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 11 Move lower knife holder '2' to the overedge width (Figure 11). 3. Then tighten screw '1'. 4. Install a new knife by 0.5~1.0 mm according...
Instruction Manual
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... the preset thread and the thread being used together to thread the machine. 2 Needle thread Trim the knots off neatly before passing through the eye of the needle to rethread. 3 Make sure the machine is threaded correctly by referring to the sewing type you need for correct... threading. 3.7 Machine Threading Important Refer to the threading diagram. 3.7.2 Threading Diagram 4 Looper thread Trim the knots off...
... the preset thread and the thread being used together to thread the machine. 2 Needle thread Trim the knots off neatly before passing through the eye of the needle to rethread. 3 Make sure the machine is threaded correctly by referring to the sewing type you need for correct... threading. 3.7 Machine Threading Important Refer to the threading diagram. 3.7.2 Threading Diagram 4 Looper thread Trim the knots off...
Instruction Manual
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... 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 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 13 Important Tension Nut 4: controls the thread in the lower looper. ally adjusted for each case. Tension Nut 1: controls the...
... 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 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 13 Important Tension Nut 4: controls the thread in the lower looper. ally adjusted for each case. Tension Nut 1: controls the...
Instruction Manual
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... main feed dog and differential feed dog. As shown on Figure 19. 2 To shrink To stretch 1 Figure 19 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 14 Loosen the adjusting nut 1 and turn adjusting bar '2' to adjust the presser foot pressure.It should be as light...
... main feed dog and differential feed dog. As shown on Figure 19. 2 To shrink To stretch 1 Figure 19 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 14 Loosen the adjusting nut 1 and turn adjusting bar '2' to adjust the presser foot pressure.It should be as light...
Instruction Manual
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Aligning Mark Coarse Fine Handwheel Push Button Figure 20 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 15 3.11 Stitch Length Adjustment Important The stitch length adjustment is shown on Figure 20. Press button to the sewing fabric, differential feed ration and other factors. It is made according to the end and keep it pressed as shown on the handwheel scale. Turn the handwheel until we have the desired stitch length.
Aligning Mark Coarse Fine Handwheel Push Button Figure 20 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 15 3.11 Stitch Length Adjustment Important The stitch length adjustment is shown on Figure 20. Press button to the sewing fabric, differential feed ration and other factors. It is made according to the end and keep it pressed as shown on the handwheel scale. Turn the handwheel until we have the desired stitch length.
Instruction Manual
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....5 Left 14.5 Left 14.5 Left - 0.8 0.5 0.35~2.0 - 0.8 0.5 0.35~2.0 0.6~0.7 0.3 0.35~1.7 - 0.8 0.5 0.35~1.7 - 0.8 0.5 0.35~2.0 - 0.8 0.5 0.35~2.0 - 0.8 0.5 0.35~2.0 1.5 0.8 0.5 0.35~2.0 1.5 0.8 0.5 0.35~2.0 1.5 0.8 0.5 0.35~2.0 1.5 0.8 0.5 0.35~2.0 1.7 0.8 0.5 0.35~2.0 1.7 0.8 0.5 0.35~2.0 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 16
....5 Left 14.5 Left 14.5 Left - 0.8 0.5 0.35~2.0 - 0.8 0.5 0.35~2.0 0.6~0.7 0.3 0.35~1.7 - 0.8 0.5 0.35~1.7 - 0.8 0.5 0.35~2.0 - 0.8 0.5 0.35~2.0 - 0.8 0.5 0.35~2.0 1.5 0.8 0.5 0.35~2.0 1.5 0.8 0.5 0.35~2.0 1.5 0.8 0.5 0.35~2.0 1.5 0.8 0.5 0.35~2.0 1.7 0.8 0.5 0.35~2.0 1.7 0.8 0.5 0.35~2.0 Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List 16
Instruction Manual
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...3.3. Check all safety devices are not damaged. OK! (Operating) Figure 29 Frequently check if all screws that fix and hold the machine head that the cable and electric connector are properly installed and adjusted. Ultra High Speed Overedge and Safety Stitch... Machine | Instruction Manual and Parts List 17 4 Maintenance 4.1 Machine Head Cleaning Clean the machine periodically with a soft and dry cloth to wipe the surface. Do not use any kind of lacquer...
...3.3. Check all safety devices are not damaged. OK! (Operating) Figure 29 Frequently check if all screws that fix and hold the machine head that the cable and electric connector are properly installed and adjusted. Ultra High Speed Overedge and Safety Stitch... Machine | Instruction Manual and Parts List 17 4 Maintenance 4.1 Machine Head Cleaning Clean the machine periodically with a soft and dry cloth to wipe the surface. Do not use any kind of lacquer...