Basic Instruction Manual - English
Page 31
... foot. Do not pass the thread through . (Refer to page 54 of the tab (3). The thread can be passed securely in the illustration. 2183B T-8421C, 8422C, 8452C, 8722C, 8752C 23 Specifications indicated by the * mark include arm thread guide D (4) and felt (5). Press the tension release plate (2), or operate the lifting lever...
... foot. Do not pass the thread through . (Refer to page 54 of the tab (3). The thread can be passed securely in the illustration. 2183B T-8421C, 8422C, 8452C, 8722C, 8752C 23 Specifications indicated by the * mark include arm thread guide D (4) and felt (5). Press the tension release plate (2), or operate the lifting lever...
Instruction Manual - English
Page 11
... Max. stitch length Presser foot Lifting lever height Knee lifter Feed dog height Needle (DP×5) Motor Control circuit -403 4,000 sti/min -433 -405, -407 3,000 sti/min 250-1,800 sti/min 1,000 sti/min 4 mm 7 mm 10 mm 1 mm #11-#16 AC servo motor (4-pole...-1,800 sti/min 1,000 sti/min 4 mm 7 mm 13 mm 1 mm #9-#14 #11-#16 AC servo motor (4-pole, 550W) Microprocessor T-8422C Max. sewing speed Start backtacking and continuous backtacking speed End backtacking speed Max. sewing speed Start backtacking and continuous backtacking speed End backtacking speed Max...
... Max. stitch length Presser foot Lifting lever height Knee lifter Feed dog height Needle (DP×5) Motor Control circuit -403 4,000 sti/min -433 -405, -407 3,000 sti/min 250-1,800 sti/min 1,000 sti/min 4 mm 7 mm 10 mm 1 mm #11-#16 AC servo motor (4-pole...-1,800 sti/min 1,000 sti/min 4 mm 7 mm 13 mm 1 mm #9-#14 #11-#16 AC servo motor (4-pole, 550W) Microprocessor T-8422C Max. sewing speed Start backtacking and continuous backtacking speed End backtacking speed Max. sewing speed Start backtacking and continuous backtacking speed End backtacking speed Max...
Instruction Manual - English
Page 33
... the presser foot. Specifications indicated by the * mark include arm thread guide D (4) and felt (5). The thread can be passed securely in the illustration. 2183B T-8421C, 8422C, 8452C, 8722C, 8752C 24
... the presser foot. Specifications indicated by the * mark include arm thread guide D (4) and felt (5). The thread can be passed securely in the illustration. 2183B T-8421C, 8422C, 8452C, 8722C, 8752C 24
Instruction Manual - English
Page 63
...will not start moving before point (B). ..... The thread take -up amount required will start to suit the sewing conditions. 3019M T-8421C, 8422C, 8452C, 8722C, 8752C 54 It is better not to pass the thread through the thread amount adjuster (1): ・ When sewing heavy materials...amount is adjusted by how the thread is passed. ..... For foundation specifications and T-8452C-405 Pass the thread through . For all models except foundation specifications and T-8452C-405 Do not pass the thread through the thread amount adjuster (1). This can cause thread breakages,...
...will not start moving before point (B). ..... The thread take -up amount required will start to suit the sewing conditions. 3019M T-8421C, 8422C, 8452C, 8722C, 8752C 54 It is better not to pass the thread through the thread amount adjuster (1): ・ When sewing heavy materials...amount is adjusted by how the thread is passed. ..... For foundation specifications and T-8452C-405 Pass the thread through . For all models except foundation specifications and T-8452C-405 Do not pass the thread through the thread amount adjuster (1). This can cause thread breakages,...
Instruction Manual - English
Page 75
...thumb (4) to adjust the tension. 3. STANDARD ADJUSTMENT 13-3. For foundation (-T[]F) For light-weight and medium-weight materials (-[][]3) For heavy-weight materials (-405,-407) 0.25N 0.34N 0.70N Stronger Weaker Weaker Stronger < Adjustment method > Thread take -up spring L (2) are as follows depending on sewing ... the set screw (3), and turn the tension stud (6) to adjust the tension. 2. 13. Tighten the tension nut (5). 3017M T-8421C, 8422C, 8452C, 8722C, 8752C 66 Thread take-up spring tension < Measurement method > Do not pass thread through thread take-up Upper limit position...
...thumb (4) to adjust the tension. 3. STANDARD ADJUSTMENT 13-3. For foundation (-T[]F) For light-weight and medium-weight materials (-[][]3) For heavy-weight materials (-405,-407) 0.25N 0.34N 0.70N Stronger Weaker Weaker Stronger < Adjustment method > Thread take -up spring L (2) are as follows depending on sewing ... the set screw (3), and turn the tension stud (6) to adjust the tension. 2. 13. Tighten the tension nut (5). 3017M T-8421C, 8422C, 8452C, 8722C, 8752C 66 Thread take-up spring tension < Measurement method > Do not pass thread through thread take-up Upper limit position...
Instruction Manual - English
Page 78
... bar lift amount is at its lowest position. (Be careful not to adjust so that the needle bar (2) will be sewn. Standard stitch length Specifications -T[]F -[][]3 -405, -407 Stitch length dial 2 2 3 2. In this time.) 4. Turn the machine pulley forward to be too long (models with thread trimmer). 69 T-8421C...
... bar lift amount is at its lowest position. (Be careful not to adjust so that the needle bar (2) will be sewn. Standard stitch length Specifications -T[]F -[][]3 -405, -407 Stitch length dial 2 2 3 2. In this time.) 4. Turn the machine pulley forward to be too long (models with thread trimmer). 69 T-8421C...
Instruction Manual - Spanish
Page 13
... PLATE ASSY 39 S07529001 1 T-RELEASE CONNECTING ROD ASSY 40 048030342 2 RETAINING RING E3 41 SA2677101 1 TENSION RELEASE WIRE 42 SA2578001 1 PRESSER BAR LIFTING LEVER T-8421C/8422C-201 8
... PLATE ASSY 39 S07529001 1 T-RELEASE CONNECTING ROD ASSY 40 048030342 2 RETAINING RING E3 41 SA2677101 1 TENSION RELEASE WIRE 42 SA2578001 1 PRESSER BAR LIFTING LEVER T-8421C/8422C-201 8
Instruction Manual - Spanish
Page 15
... PAN M5X12 54 021500106 1 NUT 1 M5 39 S07374101 1 REVERSE STITCHING LEVER 40 SA2531001 1 SPRING 43 SA6592001 1 SCREW M5 44 SA2541001 1 REVERSE STITCHING LEVER PLATE T-8421C/8422C-202 10
... PAN M5X12 54 021500106 1 NUT 1 M5 39 S07374101 1 REVERSE STITCHING LEVER 40 SA2531001 1 SPRING 43 SA6592001 1 SCREW M5 44 SA2541001 1 REVERSE STITCHING LEVER PLATE T-8421C/8422C-202 10
Instruction Manual - Spanish
Page 21
H Gauge parts REF.NO CODE Q'TY �� NAME OF PARTS RM 1+ * P.63-72 2 116323001 3+ * P.63-72 4 S11244001 NEEDLE CLAMP ASSY SCREW, SM3.57 NEEDLE PLATE SCREW, SM4.37 5+ 100032004 5+ 117160001 SCREW, FLAT SM4.37-40X8 SCREW, FLAT SM4.37 6+ * P.63-72 7 113050001 8+ * P.63-72 9 S07494001 2 PRESSER FOOT ASSY SCREW, SM3.57 FEED DOG SCREW, W/SOCKET SM3.18X7
H Gauge parts REF.NO CODE Q'TY �� NAME OF PARTS RM 1+ * P.63-72 2 116323001 3+ * P.63-72 4 S11244001 NEEDLE CLAMP ASSY SCREW, SM3.57 NEEDLE PLATE SCREW, SM4.37 5+ 100032004 5+ 117160001 SCREW, FLAT SM4.37-40X8 SCREW, FLAT SM4.37 6+ * P.63-72 7 113050001 8+ * P.63-72 9 S07494001 2 PRESSER FOOT ASSY SCREW, SM3.57 FEED DOG SCREW, W/SOCKET SM3.18X7
Instruction Manual - Spanish
Page 25
�2 T-8422C) / Rotary hook mechanism (T-8422C) REF.NO CODE Q'TY �� NAME OF PARTS RM 1+ SA2714501 1 ROTARY HOOK BASE ASSY 842TR (L) 1+ SA9466101 1 R-HOOK BASE ASSY 842TR-5 (L) 17 SA2562201 1 24 SA3054001 1 ... SA2675001 2 SET SCREW COLLAR 38 S23651001 2 SET SCREW SOCKET (FT) M6X6 40 018501232 2 BOLT SOCKET M5X12 62 SA6294101 2 THRUST RING 63 SA6307101 2 PINION GEAR SET T-8422C-301 20
�2 T-8422C) / Rotary hook mechanism (T-8422C) REF.NO CODE Q'TY �� NAME OF PARTS RM 1+ SA2714501 1 ROTARY HOOK BASE ASSY 842TR (L) 1+ SA9466101 1 R-HOOK BASE ASSY 842TR-5 (L) 17 SA2562201 1 24 SA3054001 1 ... SA2675001 2 SET SCREW COLLAR 38 S23651001 2 SET SCREW SOCKET (FT) M6X6 40 018501232 2 BOLT SOCKET M5X12 62 SA6294101 2 THRUST RING 63 SA6307101 2 PINION GEAR SET T-8422C-301 20
Instruction Manual - Spanish
Page 27
�2 T-8422C) / Rotary hook mechanism (T-8422C) REF.NO CODE Q'TY �� NAME OF PARTS RM 64 025710132 2 50 SA6417001 4 51 SA2556001 2 52 115947101 2 ��� 53 SA2722001 2 54 SA2565001 2 ... NEEDLE UPPER POSITIONING PLATE NEEDLE UPPER POSITIONING SHAFT SCREW PAN M6X10 WASHER PLAIN S 6 BOBBIN ANTI-SPIN SPRING 41+ SA4458001 2 41+ SA2826001 2 SPRING, EXTENSION, B SPRING, EXTENSION T-8422C-301 22
�2 T-8422C) / Rotary hook mechanism (T-8422C) REF.NO CODE Q'TY �� NAME OF PARTS RM 64 025710132 2 50 SA6417001 4 51 SA2556001 2 52 115947101 2 ��� 53 SA2722001 2 54 SA2565001 2 ... NEEDLE UPPER POSITIONING PLATE NEEDLE UPPER POSITIONING SHAFT SCREW PAN M6X10 WASHER PLAIN S 6 BOBBIN ANTI-SPIN SPRING 41+ SA4458001 2 41+ SA2826001 2 SPRING, EXTENSION, B SPRING, EXTENSION T-8422C-301 22
Instruction Manual - Spanish
Page 37
... RELEASE THREAD GUIDE, M: ARM SCREW FLAT M5X8 CAP SCREW, FLAT M5X8 40 SA2639001 1 THREAD GUIDE, D: ARM 41 114941001 1 FELT 49 SA2638001 1 THREAD GUIDE, M: ARM T-8421C/8422C-401 32
... RELEASE THREAD GUIDE, M: ARM SCREW FLAT M5X8 CAP SCREW, FLAT M5X8 40 SA2639001 1 THREAD GUIDE, D: ARM 41 114941001 1 FELT 49 SA2638001 1 THREAD GUIDE, M: ARM T-8421C/8422C-401 32
Instruction Manual - Spanish
Page 47
R T-8422C) / Thread wiper mechanism (T-8422C) REF.NO CODE Q'TY �� NAME OF PARTS RM 1 SA2680001 1 3 048090342 1 4 S38426000 1 5 S02664001 1 6 S02665000 1 7 S39048001 4 8 062300616 2 9 140647101 1 10 062400616 1 11 SA2732001 1 12 SA2696101 1 13 ... PAN M5X8 WASHER PLAIN M 5 THREAD WIPER SUPPORT SCREW PAN SM3.18-40X12 THREAD WIPER SPRING SCREW PAN M5X10 THREAD WIPER SET SCREW, W/SOCKET SM3.18X4 T-8422C-405 42
R T-8422C) / Thread wiper mechanism (T-8422C) REF.NO CODE Q'TY �� NAME OF PARTS RM 1 SA2680001 1 3 048090342 1 4 S38426000 1 5 S02664001 1 6 S02665000 1 7 S39048001 4 8 062300616 2 9 140647101 1 10 062400616 1 11 SA2732001 1 12 SA2696101 1 13 ... PAN M5X8 WASHER PLAIN M 5 THREAD WIPER SUPPORT SCREW PAN SM3.18-40X12 THREAD WIPER SPRING SCREW PAN M5X10 THREAD WIPER SET SCREW, W/SOCKET SM3.18X4 T-8422C-405 42
Brochure - English
Page 7
... and Medium materials 5 Heavy materials 7 Heavy materials (For extra thick thread) T-8422C Lubrication type Applications Max. sewing speed Needle Max. stitch length Presser foot height ʔ403 ʔ405 Minimum lubrication Light and Medium materials 4,000sti/min Heavy materials 3,000sti/min DPʷ...;5 ʢ#14ʣ 4mm 7mm ʔ407 Minimum lubrication Heavy materials 3,000sti/min DPʷ5 ʢ#22ʣ 5mm 7mm T-8422C T-8420C-0ɹɹ Twin needle lock Additional functions 0 None Lubrication type 0 Minimum lubrication 3 Semi-dry Applications F Foundation 3 Light and...
... and Medium materials 5 Heavy materials 7 Heavy materials (For extra thick thread) T-8422C Lubrication type Applications Max. sewing speed Needle Max. stitch length Presser foot height ʔ403 ʔ405 Minimum lubrication Light and Medium materials 4,000sti/min Heavy materials 3,000sti/min DPʷ...;5 ʢ#14ʣ 4mm 7mm ʔ407 Minimum lubrication Heavy materials 3,000sti/min DPʷ5 ʢ#22ʣ 5mm 7mm T-8422C T-8420C-0ɹɹ Twin needle lock Additional functions 0 None Lubrication type 0 Minimum lubrication 3 Semi-dry Applications F Foundation 3 Light and...
Brochure - English
Page 8
... length Presser foot height ʔ005 Minimum lubrication Heavy materials 3,000sti/min DPx5 (#22) 7mm 7mm T-8720C stitch length Presser foot height ʔ403 ʔ405 ʔ407 Minimum lubrication Light and Medium materials Heavy materials Heavy materials 3,000sti/min 3,000sti/min 3,000sti/min DPʷ5 ʢ#14ʣ DPʷ...
... length Presser foot height ʔ005 Minimum lubrication Heavy materials 3,000sti/min DPx5 (#22) 7mm 7mm T-8720C stitch length Presser foot height ʔ403 ʔ405 ʔ407 Minimum lubrication Light and Medium materials Heavy materials Heavy materials 3,000sti/min 3,000sti/min 3,000sti/min DPʷ5 ʢ#14ʣ DPʷ...
Brochure - English
Page 9
sewing speed Needle Max. sewing speed Needle Max. sewing speed Needle Max. stitch length Presser foot height ʔ403 ʔ405 ʔ407 Minimum lubrication Light and Medium materials Heavy materials Heavy materials 3,000sti/min 3,000sti/min 3,000sti/min DPʷ5 ʢ#14ʣ... DPʷ5 ʢ#22ʣ DPʷ5 ʢ#22ʣ 7mm 7mm 7mm 7mm 7mm 7mm T-8752C stitch length Presser foot height ʔ405 ʔ407 Minimum lubrication Heavy materials Heavy materials 3,000sti/min 3,000sti/min DPʷ5 ʢ#22ʣ DPx5 (#22) 7mm 7mm 7mm 7mm T-8722C...
sewing speed Needle Max. sewing speed Needle Max. sewing speed Needle Max. stitch length Presser foot height ʔ403 ʔ405 ʔ407 Minimum lubrication Light and Medium materials Heavy materials Heavy materials 3,000sti/min 3,000sti/min 3,000sti/min DPʷ5 ʢ#14ʣ... DPʷ5 ʢ#22ʣ DPʷ5 ʢ#22ʣ 7mm 7mm 7mm 7mm 7mm 7mm T-8752C stitch length Presser foot height ʔ405 ʔ407 Minimum lubrication Heavy materials Heavy materials 3,000sti/min 3,000sti/min DPʷ5 ʢ#22ʣ DPx5 (#22) 7mm 7mm 7mm 7mm T-8722C...