JCB HM012T – HM380T Hydraulic Breakers Service Manual 9813-5850

Description

• Model List:
  • HM012T – HM380T Hydraulic Breakers

• 1. Introduction
• 2. About this Manual ………………………………………………………………………….. 1-1
• 3. Units of Measurement …………………………………………………………………1-1
• 4. Intended use ………………………………………………………………………………1-1
• 5. Special conditions of use ……………………………………………………………..1-1
• 6. Carrier Machine Suitability …………………………………………………………..1-1
• 7. Machine stability …………………………………………………………………………1-1
• 8. Setup ………………………………………………………………………………………..1-1
• 9. General Description ……………………………………………………………………….. 1-2
• 10. Component Identification ……………………………………………………………..1-2
• 11. Safety ………………………………………………………………………………………….. 1-3
• 12. Safety – Yours and Others ……………………………………………………………1-3
• 13. Safety Warnings …………………………………………………………………………1-3
• 14. Safety Check List ……………………………………………………………………….1-4
• 15. Service Tools ………………………………………………………………………………… 1-7
• 16. Hose Assesories ………………………………………………………………………..1-8
• 17. Male Fitting Shown for Size Reference ………………………………………….1-8
• 18. Nitrogen Charging Tools ………………………………………………………………1-8
• 19. Lifting Eyes (To be sourced locally) ……………………………………………….1-9
• 20. Nitrogen Adaptor Reference Chart …………………………………………………. 1-10
• 21. Maintenance
• 22. Introduction …………………………………………………………………………………. 1-13
• 23. Health and Safety ………………………………………………………………………… 1-14
• 24. Safety First ………………………………………………………………………………1-14
• 25. Lubricants ………………………………………………………………………………..1-14
• 26. Wearing Parts ……………………………………………………………………………… 1-15
• 27. Lower Tool Bushing and Tools ……………………………………………………….. 1-16
• 28. Checking For Excessive Wear ……………………………………………………1-16
• 29. Check for and Removal of Burrs …………………………………………………1-16
• 30. Wear Limits and Tool for Lower Tool Bushing ………………………………….. 1-17
• 31. Tool Retention Pin Wear Limits …………………………………………………..1-17
• 32. Tool Wear Limits ……………………………………………………………………….1-17
• 33. Upper Dampener Wear Limits …………………………………………………….1-18
• 34. Lower Dampener Wear Limits …………………………………………………….1-18
• 35. Upper Bush Wear Limits …………………………………………………………….1-19
• 36. Bottom Bush Wear Limits …………………………………………………………..1-19
• 37. Retainer Pin Wear Limits ……………………………………………………………1-20
• 38. Housing Pad Wear Limits …………………………………………………………..1-21
• 39. Adjuster Valve to Control Impact Blows …………………………………………… 1-22
• 40. Disassembly and Assembly
• 41. Disassembly ……………………………………………………………………………….. 1-23
• 42. Accumulators Discharge ……………………………………………………………1-23
• 43. Housing (Boxed) ……………………………………………………………………….1-24
• 44. Housing (Side Plate) …………………………………………………………………1-26
• 45. Power Cell ……………………………………………………………………………….1-27
• 46. High Pressure Accumulator ………………………………………………………..1-34
• 47. Tool Bushes ……………………………………………………………………………..1-35
• 48. Assembly ……………………………………………………………………………………. 1-37
• 49. High Pressure Accumulator ………………………………………………………..1-37
• 50. Valve ……………………………………………………………………………………….1-39
• 51. Piston Seal ………………………………………………………………………………1-40
• 52. Tool Housing Assembly ……………………………………………………………..1-41
• 53. Cylinder …………………………………………………………………………………..1-41
• 54. Tightening Tie Rods ………………………………………………………………….1-48
• 55. Fill the Low Pressure Accumulator with Oil …………………………………..1-49
• 56. Gas Charging …………………………………………………………………………..1-49
• 57. Checking the low pressure accumulator ………………………………………1-50
• 58. Charging the High Pressure Accumulator …………………………………….1-52
• 59. Conversion Table for Charging N2-Gas for the Low Pressure Accumulation
• 60. (Power Cell Head) …………………………………………………………………….1-56
• 61. Final Assembly ……………………………………………………………………………. 1-57
• 62. Installment of Power Cell into Housing …………………………………………1-57
• 63. Installment of Power Cell into Side Plates …………………………………….1-57
• 64. Grease Charging on Models with Automatic Greasing System ……….1-58
• 65. Service
• 66. Repair of Parts …………………………………………………………………………….. 1-59
• 67. Tool for Correction …………………………………………………………………….1-59
• 68. Inspection ………………………………………………………………………………..1-59
• 69. Automatic Lubrication …………………………………………………………………… 1-64
• 70. Installation ……………………………………………………………………………….1-64
• 71. Refilling ……………………………………………………………………………………1-65
• 72. Adjuster …………………………………………………………………………………..1-65
• 73. Operation …………………………………………………………………………………1-66
• 74. Installment of Tool …………………………………………………………………….1-69
• 75. Fault Finding ……………………………………………………………………………….. 1-70
• 76. Disposal of Consumable ……………………………………………………………….. 1-75
• 77. End of Life Disposal ………………………………………………………………….1-75
• 78. Specification
• 79. Machine Specification …………………………………………………………………… 1-77
• 80. Torque Settings …………………………………………………………………………… 1-79
• 81. BSP Hose Connection ……………………………………………………………….1-79
• 82. Code 62 SAE Flange Coupling …………………………………………………..1-79
• 83. Part Numbers
• 84. Breaker Models …………………………………………………………………………… 1-81