Model > S-7300A > H. Threading mechanism
REF-NO QTY RM CODE NAME OF PARTS
 For premier 
1 1 SB5265201 PRE-TENSION ASSY P
2 1 SB4933001 THREAD GUIDE SPRING
3 2 145446001 DISC TENSION
4 1 159805001 TENSION DISC PRESSER
5 1 100136001 TENSION NUT
6 1 SA4146101 SUB TENSION SPRING
  
7 1 SB5313201 PRE-TENSION ASSY S
8 2 145446001 DISC TENSION
9 1 100136001 TENSION NUT
10 1 SA4146101 SUB TENSION SPRING
11 1 012500536 SET SCREW SOCKET (FT) M5X5
  
 For premier 
12 1 SB4928001 TENSION RELEASE PIN A
13 1 SB4929001 TENSION RELEASE STUD A
  
 For -[][]3 
14+ 1 SB6683001 THREAD TENSION BRACKET ASSY 3
15+ 1 SB6681001 TENSION SPRING 3
 For -[]05 
14+ 1 SB6684001 THREAD TENSION BRACKET ASSY 5
15+ 1 SB6686001 TENSION SPRING 5
  
16 2 100402004 SET SCREW SM3.57
17 1 SB6680001 TENSION BAR L
18 2 145446001 DISC TENSION
19 1 159805001 TENSION DISC PRESSER
20 1 S12441001 WASHER
21 1 S31032002 TENSION NUT
22 1 S02620401 THREAD TAKE-UP SPRING
  
 For premier 
23 1 SB4922101 THREAD TAKE-UP SPRING STOPPER
24 1 SB4923001 STOPPER SPRING
  
25 1 SA1229101 SETSCREW (FT) M6X6
26 1 S01419000 TENSION RELEASE PIN
  
 For premier 
27 1 SB5627001 TENSION RELEASE STUD ASSY
  
28 1 SB4925001 TENSION RELEASE STUD
29 1 SB3595101 SPOOL PIN
30 1 SA1345001 ARM THREAD GUIDE R
31 1 060500616 SCREW BIND M5X6
32 1 SB4934001 ARM THREAD GUIDE
33 1 012500536 SET SCREW SOCKET (FT) M5X5
34 1 SA7272201 THREAD GUIDE D
35 1 SA9854001 THREAD TAKE-UP LEVER COVER
36 1 062500816 SCREW PAN M5X8
37 1 SB5630101 FACE PLATE ASSY
38 2 SA7849001 RUBBER CAP
  
 For premier 
39+ 1 SB4932001 FACE PLATE RUBBER CAP P
  
39+ 1 SB5236001 FACE PLATE RUBBER CAP S
40 1 SA7271001 FACE PLATE THREAD GUIDE
41 1 060300606 SCREW BIND M3X6
42 4 0A4401606 SCREW PAN (S/P WASHER) M4X16
  • A. Machine body
  • B. Needle bar and thread take-up mechanism
  • C. Presser foot mechanism
  • D. Feed mechanism
  • E. Knee lifter mechanism
  • F. Rotary hook mechanism
  • G. Lubrication
  • H. Threading mechanism
  • J. Bobbin winder mechanism
  • K. Thread trimmer mechanism
  • L. Tension release mechanism
  • M1. Thread wiper mechanism (For -4[][])
  • M2. Thread wiper mechanism (For -5[][])
  • N1. Control box
  • N2. Control box
  • P. Quick reverse switch mechanism
  • Q. Motor cover
  • T. Operation panel
  • U. Motor mechanism
  • V. Accessories
  • Sp1. Different parts list (For Japan)
  • Sp2. Different parts list (For the Americas, China and General export)
  • Sp3. Different parts list (For Europe)
  • Ga1. Gauge parts list (Medium-weight materials : 3ROW)
  • Ga2. Gauge parts list (Medium-weight materials : 3ROW)
  • Ga3. Gauge parts list (Heavy-weight materials : 3ROW)
  • Ga4. Gauge parts list (Medium-weight materials : 4ROW)
  • Ga5. Gauge parts list (Medium-weight materials : 4ROW)
  • Ga6. Gauge parts list (Medium-weight materials : 4ROW)
  • Ga7. Gauge parts list (Heavy-weight materials : 4ROW)
  • Ga8. Gauge parts list (Difficult-to-sew materials & Shin-gosen : 4ROW)
  • Wa1. Warning labels
  • Wa2. Warning labels
  

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