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CONTENTS 

 

  1. INSTALLING THE POSITION DETECTOR 

·························· 1

 

  2. CONNECTING RELAY CORDS AND AIR LINES 

2-1 FX4404 ·················································································· 1 
2-2 FX4406, FX4412  ····································································· 2 

  3. ADJUSTING THE NEEDLE STOP POSITION

 ······················ 3

 

 4. ADJUSTING THE SPEED CONTROLLER AND AIR PRESSURE 

··· 3

 

  5. HOW TO USE THE PEDAL 

···················································· 4

 

  6. ADJUSTING THE THREAD TRIMMER 

6-1 Position of the movable knife  ···················································· 4 
6-2 Position of the stationary knife  ················································· 4 
6-3 Adjusting the back spring ························································ 5 
6-4 Adjusting the stopper  ······························································ 5 
6-5 Disassembling and reassembling the knife assembly  ···················· 6 

  7. ADJUSTING THE AIR WIPER 

··············································· 6

 

  8. THREADING & ADJUSTING THE THREAD RELEASER 

8-1 For 4-needle machines  ····························································· 7 
8-2 For 6- to 12-needle machines  ···················································· 7 
8-3 Adjustment for tension releaser of 6 to 12 needle  ························· 8 

 

 

Summary of Contents for FX/UTC Series

Page 1: ...INSTRUCTION FX UTC MANUAL Industrial Sewing Machines First published May 1997 Fourth edition January 2006 No 050153...

Page 2: ...Read and study this instruction manual carefully before beginning any of the procedures and save it for later use This instruction manual describes adjustments and maintenance procedures for the threa...

Page 3: ...THE PEDAL 4 6 ADJUSTING THE THREAD TRIMMER 6 1 Position of the movable knife 4 6 2 Position of the stationary knife 4 6 3 Adjusting the back spring 5 6 4 Adjusting the stopper 5 6 5 Disassembling and...

Page 4: ...ETECTOR Install the position detector by referring to the illustration on the right 2 CONNECTING RELAY CORDS AND AIR LINES 2 1 FX4404 Connect relay cords and air lines correctly by referring to the il...

Page 5: ...2 2 FX4406 4412 2...

Page 6: ...e speed when the thread trimming knife holder retracts If screw A is too loosened the knife holder will protrude too fast and then the position of the knife holder will become unstable causing cutting...

Page 7: ...ise the presser foot while the machine stops press the pedal with heel position C 6 ADJUSTING THE THREAD TRIMMER 6 1 Position of the movable knife Adjust movable knife A so that the bottom of movable...

Page 8: ...er C adjust the position to which the movable knives protrude With the needle bar at the top of its stroke press the center of movable knife base B until the movable knives touch the stopper Loosen sc...

Page 9: ...assembly by following the reverse procedures of the above after performing preventive maintenance 7 ADJUSTING THE AIR WIPER The outlet of air wiper C should be positioned approximately 10mm to the rig...

Page 10: ...r the needle and looper threads according to the distance in the illustration below To increase the amount of the thread to be released decrease distance A To decrease the amount of the thread to be r...

Page 11: ...on the right Install the thread eyelets for the needle and looper threads according to the distance in the illustration below To increase the amount of the thread to be released decrease distance A To...

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