JUKI dsu-142, Instruction Manual

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CONTENTS
SPECIFICATIONS ......................................................................................................................1
1. SETTING UP THE SEWING MACHINE ..............................................................................2
2. INSTALLING THE THREAD STAND ...................................................................................2
3. INSTALLING THE BELT COVER AND THE BOBBIN WINDER ........................................ 3
4. LUBRICATION .....................................................................................................................4
5. ATTACHING THE NEEDLE .................................................................................................5
6. WINDING A BOBBIN ...........................................................................................................5
7. THREADING THE BOBBIN CASE ......................................................................................5
8. INSTALLING THE TAKE-UP THREAD GUIDE ROD .......................................................... 6
9. THREAD THE MACHINE HEAD .........................................................................................6
10. ADJUSTING THE STITCH LENGTH ...................................................................................7
11. FORWARD/REVERSE SEAM RATIO ..................................................................................7
12. THREAD TENSION ..............................................................................................................7
13. THREAD TAKE-UP SPRING ...............................................................................................8
14. PRESSURES OF THE PRESSER FOOT AND WALKING FOOT ...................................... 8
15. HEIGHT OF THE FEED DOG ..............................................................................................9
16. ADJUSTING THE WALKING FOOT AND THE PRESSER FOOT ...................................... 9
17. ADJUSTING THE LONGITUDINAL POSITION OF THE FEED DOG .............................. 11
18. NEEDLE-TO-HOOK RELATIONSHIP ............................................................................... 11
19. AUXILIARY THREAD TENSION CONTROLLER ............................................................ 12
(The following description is applied to the DSU-142-7) ............................................. 12
20. ADJUSTING THE PRESSURE OF THE FIXED KNIFE ................................................... 12
(The following description is applied to the DSU-142-7) ............................................. 12
21. ONE-TOUCH TYPE REVERSE FEED STITCHING MECHANISM .................................. 13
(The following description is applied to the DSU-142-7) ............................................. 13
22. ADJUSTING THE THREAD TRIMMING CAM .................................................................13
(The following description is applied to the DSU-142-7) ............................................. 13
23. ADJUSTING THE CAM ROLLER ARM AND CAM ROLLER ARM PRESSER (The
following description is applied to the DSU-142-7) ...................................................... 14
24. ADJUSTING MAX MOVING STROKE OF THE ROTARY KNIFE .................................... 14
(The following description is applied to the DSU-142-7) ............................................. 14
25. ADJUSTING THE OPERATING STROKE OF THE PICKER ........................................... 15
(The following description is applied to the DSU-142-7) ............................................. 15
26. HOW TO REPLACE THE KNIVES ....................................................................................15
(The following description is applied to the DSU-142-7) ............................................. 15
27. MOTOR PULLEY AND SEWING SPEED ..........................................................................16
(This item is only applicable to the DSU-142) ............................................................... 16
28. TROUBLES AND CORRECTIVE MEASURES .................................................................16
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