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INSTRUCTION

INSTRUCTION

INSTRUCTION

INSTRUCTION    

WX,LX/UTC MANUAL 

 
 
 
 
 
 
 
 

 
 
 

Industrial

Industrial

Industrial

Industrial

   

   

   

   

Sewing

Sewing

Sewing

Sewing

   

   

   

   

Machines

Machines

Machines

Machines    

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

 

First published : August 1997 

Fourth edition

 

 

: August 2000 

No. 000056 

 

 

 

WX8803/UTC 
LX5801/UTC 

 

 

Summary of Contents for LX5801/UTC

Page 1: ...UCTION INSTRUCTION WX LX UTC MANUAL Industrial Industrial Industrial Industrial Sewing Sewing Sewing Sewing Machines Machines Machines Machines First published August 1997 Fourth edition August 2000 No 000056 WX8803 UTC LX5801 UTC ...

Page 2: ...cial s WX UTC Series 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 thread trimmer Refer to the WX Series instruction manual for other information ...

Page 3: ...ADJUSTING THE THREAD RELEASER 6 1 Thread releaser block 6 6 2 Thread releaser connection plate 6 6 3 Thread releaser lever 6 6 4 Looper thread take up 7 6 5 Thread releaser plate 7 6 6 Thread releaser hook 7 7 SAFETY DETECTOR 7 8 ADJUSTING THE SPEED CONTROLLER AND AIR PRESSURE 8 1 Adjusting the speed controller 8 8 2 Air pressure 8 9 ADJUSTING THE NEEDLE THREAD WIPER 8 10 ADJUSTING THE PRESSER FOO...

Page 4: ...laced at position A for the next sewing operation after the threads are cut 2 INSTALLING THE POSITION DETECTOR Install position detector A and tighten screw B temporarily Fit positioner bar C onto the guide groove of the position detector Then tighten screw D Turn on the motor Press the pedal with heel after two to three stitches are formed by pressing the pedal with toe Then the needle stops Loos...

Page 5: ...hen the plunger of the air cylinder protrudes 4 ADJUSTING THE THREAD TRIMMER SOLENOID 4 4 4 4 1 Solenoid stroke 1 Solenoid stroke 1 Solenoid stroke 1 Solenoid stroke The stroke of the solenoid should be approximately 15mm Adjustment is made by removing rubber cover F and loosening screw A There should be a clearance of 15mm between rubber cushion B and the rear end of the solenoid Position joint s...

Page 6: ...te that the looper thread clamp spring is simultaneously loosened 5 5 5 5 2 Adjusting the looper thread clamp spring 2 Adjusting the looper thread clamp spring 2 Adjusting the looper thread clamp spring 2 Adjusting the looper thread clamp spring Position of looper thread clamp spring D so that the part a 1 of movable knife and the part d 1 of looper thread clamp spring are on the same plane And ad...

Page 7: ...eme right end or left end of its travel The left side is a standard position for the mark N of guide lever ring R Adjustment is made by loosening the screw B of connecting lever E and moving guide bar D on right and left Use lever M for final slight adjustment Normal setting aligns the right end e of connecting lever E level with the step position d of guide bar D 5 5 5 5 5 Adjusting the 5 Adjusti...

Page 8: ...read etween the movable knife needle thread and looper thread After all the adjustments are made check the following before threading to start the machine Movable knife A should enter needle thread loops B Cutting edge C for the looper thread should pass looper thread D When the movable knife is returning home the needle threads and looper thread are pulled to the right by cutting edges E and F an...

Page 9: ...eleaser connection plate 2 Thread releaser connection plate 2 Thread releaser connection plate 2 Thread releaser connection plate Fit thread releaser connection plate A onto guide screw E with a clearance between A and thread releaser connection lever G Adjustment is made by loosening screw H 6 6 6 6 3 Thread releaser lever 3 Thread releaser lever 3 Thread releaser lever 3 Thread releaser lever Wh...

Page 10: ...ndition the length of spring H should be approximately 4mm 6 6 6 6 6 Thread releaser hook 6 Thread releaser hook 6 Thread releaser hook 6 Thread releaser hook The needle thread should not be shown long on the back of the fabric Adjustment is made by loosening screw I and positioning thread releaser hook J To decrease the amount of thread to be supplied raise the thread releaser hook To increase th...

Page 11: ...will retract too fast and then a looper thread may not be held properly 8 8 8 8 2 Air pressure 2 Air pressure 2 Air pressure 2 Air pressure Set the regulator at 4 5kg cm2 An air pressure of more than 5 0kg will cause trouble 9 ADJUSTING THE NEEDLE THREAD WIPER 1 Tighten screw E to position lever B horizontally There should be a 0 to 0 3mm clearance between bracket C and stopper ring D 2 Secure sha...

Page 12: ...er foot lift When the cylinder gets actuated the presser foot should be 6mm or 7mm above the top surface of the needle plate Position stopper E so that lever G cannot be lowered below stopper E Then secure stopper E with nut F Electric presser foot lift When plunger H moves in the direction of J the presser foot should be 6mm or 7mm above the top surface of the needle plate Adjust by using chain I...

Page 13: ...e by referring to 11 6 11 11 11 11 2 Adjusting the top cover thread clamp spring 2 Adjusting the top cover thread clamp spring 2 Adjusting the top cover thread clamp spring 2 Adjusting the top cover thread clamp spring Top cover thread clamp spring G should protrude approximately 3mm from end F of the stationary knife Loosen screws I and adjust spring G so that it is parallel with the stationary k...

Page 14: ...a clearance of approximately 1mm between hook point D of movable knife C and the top cover thread Adjustment is made by loosening screws J on movable knife mounting base I 11 11 11 11 6 Adjusting the height of the movable knife 6 Adjusting the height of the movable knife 6 Adjusting the height of the movable knife 6 Adjusting the height of the movable knife When the movable knife is at the bottom ...

Page 15: ...e the pressure move up bracket D To decrease the pressure move down bracket D The pressure of spring F should be as light as possible yet be sufficient to return the movable knife home correctly when the solenoid gets actuated 11 11 11 11 8 Adjusting the t 8 Adjusting the t 8 Adjusting the t 8 Adjusting the top cover thread releaser hook op cover thread releaser hook op cover thread releaser hook ...

Page 16: ...NEUMATIC DEVICES Connect air lines and cords by referring to the illustration below and the parts list 13 WIRING AND PIPING FOR ELECTRIC DEVICES Connect air lines and cords by referring to the illustration below and the parts list ...

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