Model > T-8421C > J2. Rotary hook mechanism (T-8422C)
REF-NO QTY RM CODE NAME OF PARTS
 For -4[]3 
1+ 1 SA2714401 ROTARY HOOK BASE ASSY 842TR (L)
 For -405, -407 
1+ 1 SA9466001 R-HOOK BASE ASSY 842TR-5 (L)
  
2 1 SA2562201 ROTARY HOOK BASE COVER L
3 1 SA3054001 THRUST WASHER, L
4 1 SA6424101 FELT UL ASSY
5 1 SA4044001 FELT DL ASSY
6 1 SA2671001 THREAD TRIMMER LEVER, L
7 1 SA6462001 ROTARY HOOK BASE COVER FL
  
 For -4[]3 
8+ 1 SA2718501 ROTARY HOOK BASE ASSY 842TR (R)
 For -405, -407 
8+ 1 SA9467001 R-HOOK BASE ASSY 842TR-5(R)
  
9 1 SA2563301 ROTARY HOOK BASE COVER R
10 1 SA2579001 SPECER
11 1 SA6425101 FELT UR ASSY
12 1 SA4045001 FELT DR ASSY
13 1 SA2670101 THREAD TRIMMER LEVER R
14 1 SA6463001 ROTARY HOOK BASE COVER FR
  
15 2 SA4029001 ROTARY HOOK SHAFT BUSH
16+ 2 S09260001 THRUST RING, A: 1.2MM < t=1.2 >
16+ 2 SA4038001 THRUST RING < t=1.0 >
16+ 2 S09261001 THRUST RING, B: 1.4MM < t=1.4 >
16+ 2 SA4444001 THRUST RING 0.8MM < t=0.8 >
17 2 S07420000 NEEDLE BEARING
18 2 S07419001 RETAINING RING
19 2 SA6474001 ROTARY HOOK SHAFT BUSH
20 2 SB1446001 OPENER LINK
21 2 SA3859101 OPENER LEVER
22 2 SA2560001 SHAFT, O-LINK
23 2 021500316 NUT 3 M5
24 2 SA3889101 O-LEVER SHAFT
25 2 SA4026001 WICK, 4X4 L=100
26 2 012501031 SET SCREW SOCKET (FT) M5X10
27 2 S38212001 OPENER
28 2 154965001 BOLT, SOCKET SM3.57X8
29 8 062300612 SCREW PAN M3X6
30 2 SA2572001 SPIRAL GEAR SCREW ASSY
31 4 SA2574001 SET SCREW, (FT) M6
32 2 SA2575001 SET SCREW (FT) M6
33 2 SA6301001 PINION GEAR SCREW ASSY
34 6 SA2574001 SET SCREW, (FT) M6
35 2 062400616 SCREW PAN M4X6
36 2 062400616 SCREW PAN M4X6
37 2 SA4012001 FELT
38 2 SA3894001 FELT SUPPORT
39 2 062400616 SCREW PAN M4X6
40 4 SA2717001 STOPPER SCREW
41 2 SA2676001 MOVABLE KNIFE BRACKET
42 4 062400812 SCREW PAN M4X8
43 2 S07525100 SPRING, PLATE
44 4 141544001 SCREW, SM3.18-40X3
45 2 SA3912001 MOVABLE KNIFE LEVER
46 2 SA2675001 SET SCREW COLLAR
47 2 S23651001 SET SCREW SOCKET (FT) M6X6
48 2 018501232 BOLT SOCKET M5X12
49 2 SA6294101 THRUST RING
50 2 SA6307101 PINION GEAR SET
51 2 SB2330001 WASHER PLAIN S SM4.76
52 4 SA6417001 SCREW M4X12
53 2 SA2556001 SCREW, M6X25
54 2 115947101 WASHER PLAIN 6.35
55 2 SA2722001 PINCH SLEEVE A
56 2 SA2565001 PINCH SLEEVE B
57 2 SA2556001 SCREW, M6X25
58 2 SA2567001 NEEDLE UPPER POSITIONING PLATE
59 2 SA2568001 NEEDLE UPPER POSITIONING SHAFT
60 4 062061016 SCREW PAN M6X10
61 4 025060136 WASHER PLAIN S 6
62 2 S01928151 BOBBIN
63 2 148602001 ANTI-SPIN SPRING
  
 For -4[]3 
64+ 2 SA4458001 SPRING, EXTENSION, B
 For -405, -407 
64+ 2 SA2826001 SPRING, EXTENSION
  • A. Machine body
  • B. Upper shaft mechanism
  • C. Needle bar rocking mechanism
  • D. Presser foot mechanism
  • E. Feed mechanism
  • F. Quick reverse mechanism
  • G. Feed shaft mechanism
  • H. Gauge parts
  • J1. Rotary hook mechanism (T-8421C)
  • J2. Rotary hook mechanism (T-8422C)
  • J3. Rotary hook mechanism
  • K. Lower shaft mechanism
  • L. Lubrication
  • M. Threading mechanism
  • N. Bobbin winder mechanism
  • P. Thread trimmer mechanism
  • Q. Tension release mechanism (T-8422C)
  • R. Thread wiper mechanism (T-8422C)
  • S1. Control box and motor mechanism
  • S2. Control box
  • S3. Control box
  • T. Quick reverse switch mechanism
  • U. Power supply equipment
  • Z1. Accessories
  • Z2. Accessories
  • Wa1. Warning labels
  • Wa2. Warning labels
  • Sp1. Different parts list
  • Sp2. Different parts list
  • Ga1-1. Gauge parts list (T-8421C)
  • Ga1-2. Gauge parts list (T-8421C)
  • Ga1-3. Gauge parts list (T-8421C)
  • Ga1-4. Gauge parts list (T-8421C)
  • Ga1-5. Gauge parts list (T-8421C)
  • Ga1-6. Gauge parts list (T-8421C)
  • Ga2-1. Gauge parts list (T-8422C)
  • Ga2-2. Gauge parts list (T-8422C)
  • Ga2-3. Gauge parts list (T-8422C)
  • Ga2-4. Gauge parts list (T-8422C)
  

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