JCB Self-Regulating Alternators Service Manual 9813-2800

Description

• Model List:
  • Self-Regulating Alternators

• 1. Care and Safety
• 2. Safety Check List …………………………………………………………………………… 1-1
• 3. Safety – Yours and Others ……………………………………………………………1-1
• 4. Safety Warnings …………………………………………………………………………1-1
• 5. Safety Check List ……………………………………………………………………….1-2
• 6. Principle of Operation
• 7. Self-Excited AVR Controlled ……………………………………………………………. 1-5
• 8. AVR Accessories …………………………………………………………………………… 1-6
• 9. Identification …………………………………………………………………………………. 1-7
• 10. Key Component ………………………………………………………………………….1-8
• 11. Maintenance
• 12. JCB HM Range Alternators …………………………………………………………….. 1-9
• 13. Assessment of windings conditions after long periods of storage or inactivity. …………………………………………………………………………………………….1-9
• 14. Assessment of current functioning (absence of anomalous noises or vibrations). ………………………………………………………………………………………..1-9
• 15. Mechanical checks of fastening bolts and, in particular, of electric connections. ……………………………………………………………………………………….1-10
• 16. Internal and external cleaning of the generator. …………………………….1-10
• 17. Maintenance and replacement (if necessary) of bearings. ……………… 1-11
• 18. Generator versions HM160-200-250 ……………………………………………1-12
• 19. Generator versions HM230-HM355 …………………………………………….1-13
• 20. Cleaning of Air Filters (if available) ………………………………………………1-14
• 21. Cleaning of Windings ………………………………………………………………..1-15
• 22. Replacement of Diode Bridge …………………………………………………….1-18
• 23. Generator versions: HM160-200. Procedure to check the diodes of the exciter rotor. ………………………………………………………………………………..1-19
• 24. Replacement of exciter. Generator versions: HM160-250 ………………1-21
• 25. Generator versions: HM280-355. ………………………………………………..1-22
• 26. Replacement of voltage ……………………………………………………………..1-23
• 27. Check of Residual Voltage …………………………………………………………1-25
• 28. DSR AVR …………………………………………………………………………………1-26
• 29. Cummins Range Alternators …………………………………………………………. 1-29
• 30. Guidance of Typical Insulation Resistance [IR] Values …………………..1-29
• 31. New Machines ………………………………………………………………………….1-29
• 32. At Generating Set Manufacturers Works ………………………………………1-29
• 33. Generators in Service ………………………………………………………………..1-29
• 34. Winding Condition Assessment …………………………………………………..1-29
• 35. Procedure for Insulation Testing ………………………………………………….1-30
• 36. Methods of Drying Out Generators ……………………………………………..1-30
• 37. Typical Drying Out Curve …………………………………………………………..1-31
• 38. Air Filters …………………………………………………………………………………1-32
• 39. Fault Finding …………………………………………………………………………….1-32
• 40. SX460 AVR – Fault Finding ………………………………………………………..1-32
• 41. SX440 AVR – Fault Finding ………………………………………………………..1-33
• 42. SX421 AVR – Fault Finding ………………………………………………………..1-33
• 43. Transformer Control – Fault Finding …………………………………………….1-33
• 44. MX341 AVR – Fault Finding ………………………………………………………..1-34
• 45. MX321 AVR – Fault Finding ………………………………………………………..1-34
• 46. Residual Voltage Check …………………………………………………………….1-35
• 47. Separate Excitation Test Procedure …………………………………………….1-36
• 48. AVR Maintenance
• 49. HM Range Regulators ………………………………………………………………….. 1-40
• 50. Electrical Connection …………………………………………………………………1-40
• 51. DSR Digital Regulator ……………………………………………………………….1-45
• 52. Cummins Range ………………………………………………………………………….. 1-49
• 53. Direction of Rotation ………………………………………………………………….1-49
• 54. Generator Set Testing ……………………………………………………………….1-52
• 55. Connections Electrical
• 56. HM Range Alternators ………………………………………………………………….. 1-57
• 57. Winding Resistance at 20°C Ambient. …………………………………………1-57
• 58. 4 Poles 50Hz 3 Phase ……………………………………………………………….1-79
• 59. 4 Poles 50Hz 3 Phase ……………………………………………………………….1-80
• 60. 4 Poles 50Hz 3 Phase ……………………………………………………………….1-81
• 61. 4 Poles 50Hz 3 Phase ……………………………………………………………….1-82
• 62. 4 Poles 50Hz 3 Phase ……………………………………………………………….1-83
• 63. 4 Poles 50Hz 3 Phase ……………………………………………………………….1-84
• 64. 4 Poles 60Hz 3 Phase ……………………………………………………………….1-85
• 65. 4 Poles 60Hz 3 Phase ……………………………………………………………….1-87
• 66. Ratings Book Glossary …………………………………………………………………. 1-89
• 67. Winding Configurations and Winding Numbers ……………………………..1-89
• 68. Specification
• 69. Rating Definitions ………………………………………………………………………… 1-91
• 70. Base Continuous Ratings …………………………………………………………..1-91
• 71. Peak Standby Rating (40ºc ambient temperature) …………………………1-91
• 72. Peak Standby Rating (27ºC ambient temperature) ………………………..1-91
• 73. Winding Numbers Used On Cummins-Stamford Alternators ………………. 1-92
• 74. AVR Controlled 40°C Ambient Temperature Class H Temp Rise 125°C
• 75. (Base Continuous Rating) ………………………………………………………….1-93