| No. | Descriptions | Task Times (min.) | Precedent Tasks |
| 1. | Cutting iron sheets by gas | 30.00 | - |
| 2. | Grinding work pieces | 28.44 | 1 |
| 3. | Blowing JIG part | 10.40 | 2 |
| 4. | Placing L/R reinforcement beams on JIG and locked by C-clamp | 5.20 | 3 |
| 5. | Placing H-beam frame of 1,570 mm. on L/R reinforcement beams | 3.49 | 4 |
| 6. | Spacing between 2 H-beam frames of 880 mm. | 3.75 | 5 |
| 7. | Tightening H-beam and reinforcement beam frame by clamp | 0.51 | 6 |
| 8. | Welding H-beam frame and reinforcement beam | 1.77 | 7 |
| 9. | Assembling H-beam frame of 945 mm. on JIG both front and back sides | 2.07 | 8 |
| 10. | Assembling hot rolled rails steel of 945 mm. on JIG | 2.25 | 9 |
| 11. | Welding H-beam frame of 945 mm. and hot rails steel with frame of 1,570 mm | 2.91 | 10 |
| 12. | Full welding entire front-down parts | 73.19 | 11 |
| 13. | Welding splice angle plate into tuning desk frame | 1.79 | 12 |
| 14. | Full welding entire front parts | 20.17 | 13 |
| 15. | Eroding all welding line | 3.53 | 14 |
| 16. | Moving assembled tuning desk frame into haven by crane | 1.39 | 15 |
| 17. | Moving assembled tuning desk frame on JIG | 1.20 | 16 |
| 18. | Installing BRKT, holding pincers and BRKT and holding dragging arm | 10.35 | 17 |
| 19. | Placing L-R rear hangers and locked by C-clamp | 2.57 | 18 |
| 20. | Checking BRKT and inside pincer perpendicular to tuning desk by steel angle | 1.55 | 19 |
| 21. | Checking space between BRKT and inside pincer of 900 mm. | 1.20 | 20 |
| 22. | Welding BRKT and L-R pincers | 1.45 | 21 |
| 23. | Placing and welding steel pipe to pincer of 895 mm. | 2.10 | 22 |
| 24. | Placing L-R front hangers and locked by C-clamp | 1.90 | 23 |
| 25. | Checking BRKT and outside pincer perpendicular to tuning desk by steel angle | 1.35 | 24 |
| 26. | Checking space between 2 sides steel pipe of 760 mm. | 0.13 | 25 |
| 27. | Welding BRKT and L-R pincers | 1.62 | 26 |
| 28. | Welding both 2 sides of front perpendicular place | 1.27 | 27 |
| 29. | Welding steel pipe of 800 mm. for front pincer to front hanger pipe | 1.33 | 28 |
| 30. | Placing bush PULL BRKT ASS’Y on tuning desk | 2.44 | 29 |
| 31. | Threading steel shaft via bush, BRKT and steel pipe with space of 816 mm. | 1.55 | 30 |
| 32. | Tightening both sides of PULL BRKT ASS’Y by hammer | 3.55 | 31 |
| 33. | Welding PULL BRKT ASS’Y into front hanger and tuning desk frame | 1.47 | 32 |
| 34. | Full welding of front side of L-R PULL BRKT ASS’Y | 1.38 | 33 |
| 35. | Moving threading steel shaft out of PULL BRKT ASS’Y | 1.57 | 34 |
| 36. | Welding reinforcement beam of 650, 420 and 200 mm. into tuning desk frame | 5.03 | 35 |
| 37. | Moving assembled tuning desk frame into haven by crane | 1.30 | 36 |
| 38. | Moving assembled tuning desk frame on JIG | 1.92 | 37 |
| 39. | Full welding entire front-down tuning desk frame | 82.93 | 38 |
| 40. | Eroding all welding line | 5.87 | 39 |
| 41. | Inclining and turning JIG to left side of tuning desk | 1.45 | 40 |
| 42. | Full welding entire left-side tuning desk frame | 22.65 | 41 |
| 43. | Eroding all welding line | 4.53 | 42 |
| 44. | Inclining and turning JIG to right side of tuning desk | 1.33 | 43 |
| 45. | Full welding entire right-side tuning desk frame | 22.65 | 44 |
| 46. | Eroding all welding line | 3.57 | 45 |
| 47. | Turning JIG to original place and unlocking clamp | 2.28 | 46 |
| 48. | Moving assembled tuning desk frame into haven by crane | 3.15 | 47 |
| 49. | Moving assembled tuning desk frame on JIG | 1.85 | 48 |
| 50. | Grinding welding line of splice angle plate (RIG) at 4 angles | 8.43 | 49 |
| 51. | Measuring the center point of tuning desk and placing holed guide on frame | 4.55 | 50 |
| 52. | Drilling 8 holes according to guide by drill of 5 mm. | 2.37 | 51 |
| 53. | Moving holed guide out of frame to broaching | 0.12 | 52 |
| 54. | Broaching 8 holes of 18 mm. by magnetic drill | 6.28 | 53 |
| 55. | Grinding all 8 holes | 0.37 | 54 |
| 56. | Lifting and placing tuning desk by crane onto tuning desk frame | 2.58 | 55 |
| 57. | Holding screws M 16 ´ 50 mm. at 8 holes and tightening them | 13.55 | 56 |
| 58. | Welding splice plate and elephantiasis pipe clamp to H-beam frame | 5.50 | 57 |
| 59. | Eroding all welding line | 2.21 | 58 |
| 60. | Grinding welding line of splice plates | 0.85 | 59 |
| 61. | Moving assembled tuning desk frame into haven by crane | 1.47 | 60 |
| 62. | Checking assembled tuning desk | 10.00 | 61 |
| 63. | Moving assembled tuning desk to next station | 10.00 | 62 |