Model > TN-842B > K. Lower shaft mechanism
REF-NO QTY RM CODE NAME OF PARTS
 For Needle gauge max."38.1mm" 
1 1 S38293000 ROTARY HOOK BASE BUSH, L
2 1 S38249001 ROTARY HOOK BASE BUSH R ASSY
 For Needle gauge"18-56mm" 
1 1 S38294100 ROTARY HOOK BASE BUSH, L
2 1 S38412001 ROTARY HOOK BASE BUSH R ASSY
 For Needle gauge"52-77mm" 
1 1 S38296000 ROTARY HOOK BASE BUSH, L
2 1 S38414001 ROTARY HOOK BASE BUSH R ASSY
  
3 2 014781032 SET SCREW SOCKET SM6.35-28X10
  
 Needle gauge max."50.8mm"for standard 
4 1 S38252001 LOWER SHAFT, ST.
 Needle gauge min."55mm"for standard 
4 1 S38260001 LOWER SHAFT, 75ST.
 For Thread trimmer 
4 1 S38253001 LOWER SHAFT,TR.
  
5 2 S12445051 SPIRAL GEAR ASSY, A
5-1 2 112684001 SET SCREW, SM6.35
5-2 4 100251001 SET SCREW, (CP) SM6.35-40X6.5
5-3 6 131007001 SET SCREW, (CP) SM6.35
  
 For Standard 
9 1 181486001 F-LIFTING ECCENTRIC WHEEL ASSY
 For Thread trimmer 
9 1 148804101 F-LIFTING ECCENTRIC WHEEL ASSY
  
9-1 1 112684001 SET SCREW, SM6.35
10 1 S07446001 BALL BEARING ASSY
10-1 1 S07447001 BALL BEARING BUSH
10-2 1 072600480 BALL BEARING, THRUST 6004ZZ
10-3 1 148821001 SET SCREW, SOCKET (CN) SM6.35
10-4 1 014771032 SET SCREW SOCKET SM6.35-40X10
  
 For Foundation spec.,"-3","-5" 
11 1 S38237001 TIMING PULLEY SET, D
 For Needle or drop feed switching spec. 
11 1 S38238001 TIMING PULLEY SET, D
  
11-2 1 158115001 BALL BEARING, 6204ZZNR
13 1 144875001 PLUNGER
14 1 S38268001 SPRING, COMPRESSION
15 1 S38442001 SCREW, SM6.35X5
16 1 014771032 SET SCREW SOCKET SM6.35-40X10
17 1 148821001 SET SCREW, SOCKET (CN) SM6.35
  • A. Machine body
  • B. Needle bar rocking mechanism
  • C. Presser foot mechanism
  • D. Feed mechanism
  • E. Presser foot mechanism (Thread trimmer
  • F1. Presser foot lifter mechanism (Thread trimmer
  • F2. Presser foot lifter mechanism (Thread trimmer
  • G. Feed shaft mechanism
  • H1. Rotary hook mechanism
  • H2. Rotary hook mechanism
  • H3. Rotary hook mechanism
  • J. Lubrication
  • K. Lower shaft mechanism
  • L1. Threading mechanism
  • L2. Threading mechanism
  • M. Gauge parts
  • N. Thread trimmer mechanism (Thread trimmer)
  • P. Tension release mechanism (Thread trimmer)
  • Q. Synchronizer
  • R. Thread wiper mechanism (Thread trimmer)
  • S. Quick reverse mechanism
  • T. Quick reverse switch mechanism
  • U. Air pressure mechanism (Thread trimmer
  • V. Knee switch mechanism (Thread trimmer
  • W. Option parts
  • X. Presser foot lifting solenoid set (Thread trimmer
  • Z1. Accessories
  • Z2. Accessories (Standard)
  • Z3. Accessories (Thread trimmer)
  • Ga1_1. Gauge parts List (TN-842A For Standard)
  • Ga1_2. Gauge parts List (TN-842A For Standard)
  • Ga1_3. Gauge parts List (TN-842A For Standard)
  • Ga1_4. Gauge parts List (TN-842A For Standard)
  • Ga1_5. Gauge parts List (TN-842A For Standard)
  • Ga1_6. Gauge parts List (TN-842A For Standard)
  • Ga1_7. Gauge parts List (TN-842A For Standard)
  • Ga2_1. Gauge parts List (TN-842B For Thread trimmer)
  • Ga2_2. Gauge parts List (TN-842B For Thread trimmer)
  • Ga2_3. Gauge parts List (TN-842B For Thread trimmer)
  • Ga2_4. Gauge parts List (TN-842B For Thread trimmer)
  • Wa. Warning labels
  

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