Pfaff creative 7550 free download

File name Pfaff_creative_7550_Service_Manual.pdf

PFAFF creative 7550 Service Manual Page Table of contents Foreword Notes on the sewing machine Service Manual Feeding system Specifications I 2 3 4 1. 2. 3 4 5. 6. 7. 8. Adjustment of toothed belt tension Adjustment of feed-dog driving shah in sideways direction Timing of feed motion AdJustment of feed dog In sideways direction Adjustment of synchronlzer Adjustment of presser bar height Adjustment of Adjustment of top 4a. Adjustment of feed dog height Zlgzag top feed foot in feed height mechanism sewing direction 7 8 10 12 14 16 18 19 20 22 25 28 28 30 Stitch forming perts 9. Adjustment of needle I n needle hole Position of needle in needle hole in sewing direction Adjustment of hook-to-needle clearance Adjustment of bevel gears Sewing 1 0. 11. 11 a 12. 13. 14. 15. 16. 17. 18. 19. hook timing Adjustment of needle bar height Adjustment of bobbin case position finger Adjustment of needle threader Adjustment of Stitching off 32 33 34 35 36 36 38 40 42 Adjustment of needle thread tension bobbin winder stop Adjustment of bobbin thread tension Adjustment of equal forward and reverse stitch length Adjustment of thread check spring stroke 21. Making up a sewing sample Repeir instruc:tlona 20. 22. 23. 24. 25. 26. 27. 28. 29. Dismantling and assembling the needle thread tension Dismantling and assembling hook Changing the pressure spring In the handwheel release 43 44 46 46 the sewing Cleaning and oiling the machine Changing the toothed belt Changing the bevel gears Changing the base circuit board Changing the thread monitor Changing the control 48 54 60 62 30. 33. 34. panel with free-arm cover 31. Changing the synchronizer 32. Changing the motor Changing the motor circuit Changing the 64 68 70 72 73 74 76 35. Changing the cable reel in the foot control 36. Changing the stepping motor for sideways needle bar movement 37. Changing the lower stepping motor for the feed movement 38. Changing the stepping motor for transverse drive 39. Changing the buttonhole sensor 40. Important key functions of class 7550 41. Self-test table for class 7550 42. Separate buttonhole sensor test for cl. 7550 43. Replacement list: self-test 7550 44. Fault-finding chart for the electronics of Pfaff Creative 7550 CO 45. Fault table for electrical parts 46. Test table for creative designer 47. Electrical safety test 48. Electrical safety test with ABB Metrawatt M5013 49. Stray current test of complete motors 50. Measures required In case of inadmissible test readings motor pinion board 84 90 94 98 99 102 103 104 104 107 109 111 114 114 Foreword This service and repair manual is intended to assist you in carrying out all repairs to the machines quickly and correctly. Adjustment should only be carried out if you find the aclual settings deviating lrom thE: requirements described here. When checking or adjusting a machine, please always proceed in the sequence specified. For easier reference every workstep is marked with a dot. Differing works