Model > S-7220B > H. Rotary hook mechanism
REF-NO QTY RM CODE NAME OF PARTS
1 1 SA7262201 ROTARY HOOK SHAFT
2 1 SA8831001 SCREW CAP W/HOLE ASSY
3 1 SA8055001 FELT
4 1 SA8471101 PUMP BUSH UNIT
5 1 SA8472101 PUMP BUSH ASSY
6 1 081025870 O RING S25
7 1 SA7320001 OIL SEAL
35 1 142274101 RUBBER CAP, 4.2
8 1 SA7554101 BEARING BUSH ASSY
9 2 S23651001 SET SCREW SOCKET (FT) M6X6
10 1 SA1284101 OIL SEAL
11 1 SA1285001 ROTARY HOOK SHAFT GEAR BUSH
12 1 012061036 SET SCREW SOCKET (FT) M6X10
13 1 SA1286001 ROTARY HOOK SHAFT GEAR ASSY
14 2 S23651001 SET SCREW SOCKET (FT) M6X6
  
 For -4[]3 
16 1 SA7830001 HOOK STOPPER
17 1 146290001 BOBBIN
34 1 SA7686102 ROTARY HOOK ASSY W/BOX
 For -405 
19 1 SA7829001 HOOK STOPPER
20 1 117132001 BOBBIN
18 1 SA7688101 ROTARY HOOK ASSY W/BOX
  
21 2 062401216 SCREW PAN M4X12
22 1 S20553001 BOBBIN CASE ASSY
23 1 183291001 TENSION SPRING
24 1 183292001 ADJUSTING SCREW
25 1 183293001 SET SCREW
26 1 148967101 ANTI-SPIN SPRING
  
 OPTION PARTS 
27 1 SA1719001 ROTARY HOOK SET, W/BOX S53203
36 1 SA1718001 ROTARY HOOK ASSY, W/BOX S53203
28 1 S24904201 BOBBIN CASE ASSY, 1.7
29 1 S24905101 TENSION SPRING
30 1 183809001 ADJUSTING SCREW
31 1 183810001 SET SCREW
32 1 183811001 ANTI-SPIN SPRING
33 1 S23848001 BOBBIN, 1.7
  • A. Machine body
  • B1. Needle bar and thread take-up mechanism
  • B2. Needle bar and thread take-up mechanism
  • C. Needle feed mechanism
  • D. Presser foot mechanism
  • E. Feed mechanism
  • F. Knee lifter mechanism
  • G. Quick reverse mechanism
  • H. Rotary hook mechanism
  • J. Lubrication
  • K. Threading mechanism
  • L. Bobbin winder mechanism
  • M. Thread trimmer mechanism
  • N. Tension release mechanism
  • P. Thread wiper mechanism
  • Q1. Control box and motor mechanism
  • Q2. Control box mechanism
  • Q3. Control box mechanism
  • R. Quick reverse switch mechanism
  • S. Power supply equipment mechanism
  • T. Presser foot lifting set mechanism (Option parts) 
  • U. Option parts
  • Z. Accessories
  • Sp-1. Different parts list
  • Sp-2. Different parts list
  • Ga-1. Gauge parts list
  • Ga-2. Gauge parts list
  • Ga-3. Gauge parts list
  • Wa. Warning labels
  

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