Caterpillar MD6420 Rotary Blasthole Drill Service Manual 91-A13-042

$30.00

  • Type Of Manual: Service Manual
  • Manual ID: 91-A13-042
  • Number of Pages: 624
  • Size: 145.1MB
  • Format: PDF

Product details

  • Model List:

    • MD6420 Rotary Blasthole Drill
  • 1. SKSS-13_X73 Service Manual
  • 1.1. Parts Ordering and Product Support
  • 1.1.1. Safety Information
  • 1.1.2. Contents
  • 1.1.3. General Locator
  • 2. SKSS-13_X73 Section 1
  • 2.1. Contents
  • 2.2. Overview of Potential Hazards
  • 2.3. Personal Protective Equipment
  • 2.4. Electrical Contact
  • 2.5. Contaminated Air
  • 2.6. Moving and Rotating Parts
  • 2.7. High Pressure Air or Fluid
  • 2.8. Before Operation
  • 2.9. During Operation
  • 2.10. Maintenance
  • 2.11. Equipment Transfer
  • 2.12. Safety Locator
  • 3. SKSS-13_X73 Section 2
  • 3.1. Operators Cab / Controls
  • 3.1.1. Contents
  • 3.1.2. Graphic Symbol Legend
  • 3.1.3. Warning Decals
  • 3.1.4. Operator Control and Instrument Panels
  • 3.1.5. Instrument Panel
  • 3.1.6. Circuit Breakers
  • 3.1.7. Light Switches
  • 3.1.8. System Pressure Gauge Panel
  • 3.1.9. Left Hand Control Panels
  • 3.1.10. Cab Foot Controls
  • 3.1.11. Machine Stability
  • 3.1.12. New Machine Procedure
  • 3.1.13. Roller Locations
  • 3.1.14. Temperature and Condition Record Chart for Walking
  • 3.1.15. Propelling the Machine
  • 3.1.16. Stability Limits
  • 3.1.17. SKSS Transient Stability Limits
  • 3.1.18. Cab Heater
  • 3.1.19. Air Conditioner
  • 3.1.20. Section 1.0 Technical Data and Control Settings
  • 3.1.21. Section 2.0 Installation and Commissioning
  • 3.1.22. Section 3.0 Routine Maintenance Procedures
  • 3.1.23. Section 4.0 Fault Diagnosis
  • 3.1.24. Section 5.0 Reference Drawings
  • 4. SKSS-13_X73 Section 3
  • 4.1. Main Frame Crawlers
  • 4.1.1. Contents
  • 4.1.2. Main Frame Repair – General
  • 4.1.3. Weld Inspection Schedule
  • 4.1.4. Levelling Jacks
  • 4.1.5. Levelling Jacks
  • 4.1.6. Mast Elevating Cylinders
  • 4.1.7. Internal Counterbalance Valve
  • 4.1.8. Fuelling Valves
  • 4.1.9. Crawler Assembly
  • 4.1.10. Crawler Component Repair
  • 4.1.11. Tramming
  • 4.1.12. New Machine Procedure
  • 4.1.13. Roller Locations
  • 4.1.14. Temperature and Condition Record Chart for Walking
  • 4.1.15. Metric Bolt Torque Specifications
  • 4.1.16. Track Tension Adjustment
  • 4.1.17. Track Assembly
  • 4.1.18. Idler Unit Description
  • 4.1.19. Hydraulic Tensioner
  • 4.1.20. Nitrogen Tensioner
  • 4.1.21. Track Chain
  • 4.1.22. Track Shoes Installation
  • 4.1.23. Track Shoe Bolt Torque (Direct Torque Method)
  • 4.1.24. Track Shoe Bolt Torque (Torque Turn Method)
  • 4.1.25. Track Chain and Shoe Installation
  • 4.1.26. Final Drive Unit
  • 4.1.27. Removal from Track Frame
  • 4.1.28. Installation into Track Frame
  • 4.1.29. Final Drive Maintenance
  • 4.1.30. Final Drive Oil
  • 4.1.31. F130 Final Drive Assembly
  • 4.1.32. F130 Final Drive
  • 4.1.33. Service Information
  • 4.1.34. Idler Unit
  • 4.1.35. Idler Unit Removal
  • 4.1.36. Track and Support Rollers
  • 4.1.37. Track Roller Removal and Disassembly
  • 4.1.38. Track and Support Roller Assembly
  • 4.1.39. Track and Support Roller Test and Install
  • 4.1.40. Track and Sprocket Inspection
  • 4.1.41. Sprocket Wear Patterns
  • 4.1.42. Auxiliary Crane
  • 4.1.43. Rear Deck Crane Palfinger PC1500 Service information
  • 4.1.44. Maintenance Chart
  • 4.1.45. Lubrication
  • 4.1.46. Hydraulic Fluids
  • 4.1.47. Removal From Service and Disposal
  • 4.1.48. Repairing Paint Damage
  • 4.1.49. Cleaning Agents and Equipment
  • 4.1.50. Oil Change / Oil Maintenance
  • 5. SKSS-13_X73 Section 4
  • 5.1. Engine / Drive Train / Compressor
  • 5.1.1. Contents
  • 5.1.2. Power Group Locator
  • 5.1.3. Cummins Engine
  • 5.1.4. QST30 Electric Fuel Supply System
  • 5.1.5. Construction
  • 5.1.6. Fuel Manifold with Integrated FSO Valve
  • 5.1.7. Pressure and Temperature Sensors
  • 5.1.8. Operation
  • 5.1.9. QST30 Electric Fuel Supply System Flow Diagram
  • 5.1.10. QST30 Electric Fuel Supply System Detail
  • 5.1.11. Oil Reserve Systems
  • 5.1.12. LED Monitor Readings
  • 5.1.13. Wiring Diagram Oil Reserve Basic Circuit
  • 5.1.14. Engine and Compressor Air Cleaners
  • 5.1.15. Engine and Compressor Air Cleaner Service
  • 5.1.16. Flexible Drive Coupling
  • 5.1.17. Pump Drive
  • 5.1.18. Pump Drive Assembly Removal and Replacement
  • 5.1.19. Pump Drive Gearbox
  • 5.1.20. Pump Drive Gearbox Repair
  • 5.1.21. Pump Drive Gear Box Input Shaft Assembly
  • 5.1.22. Hydraulic Pumps
  • 5.1.23. Compressor Installation
  • 5.1.24. Compressor Drive Coupling
  • 5.1.25. Compressor Alignment
  • 5.1.26. Compressor Shaft Seal
  • 5.1.27. Low Pressure Compressor
  • 5.1.28. Description
  • 5.1.29. Compressor Oil Circuit 2400cfm 100psi
  • 5.1.30. Compressor Air Circuit 2400cfm 0psi
  • 5.1.31. Compressor Air Circuit 2400cfm 50psi
  • 5.1.32. Compressor Air Circuit 2400cfm 100psi
  • 5.1.33. Compressor Air Circuit 2400cfm 60psi
  • 5.1.34. Compressor Functional Description
  • 5.1.35. Operation
  • 5.1.36. Low Pressure Compressor Maintenance
  • 5.1.37. Discharge Check Valve
  • 5.1.38. Compressor Receiver Tank Assembly
  • 5.1.39. Separator Elements
  • 5.1.40. Separator Elements Remove and Replace
  • 5.1.41. Scavenge Line
  • 5.1.42. Compressor Discharge Temperature Gauge, Switch and Sender
  • 5.1.43. Minimum Pressure Valve
  • 5.1.44. Thermal Bypass Valve
  • 5.1.45. Thermal Bypass Valve Maintenance
  • 5.1.46. Compressor Fluid Filter
  • 5.1.47. Changing Filter Elements
  • 5.1.48. Bearing Oil Filter
  • 5.1.49. Oil stop valve
  • 5.1.50. Compressor Inlet Valve Control System
  • 5.1.51. Compressor Regulation
  • 5.1.52. Relieving Regulators
  • 5.1.53. System Blowdown Valve
  • 5.1.54. Running Blowdown Valve
  • 5.1.55. Running Blowdown Maintenance
  • 5.1.56. Troubleshooting
  • 5.1.57. Coolers
  • 5.1.58. Hydraulic Oil / Radiator Cooler Assembly
  • 5.1.59. Aluminium Tube Air to Oil Cooler
  • 5.1.60. Removal and Replacement
  • 5.1.61. Internal Cleaning
  • 5.1.62. Radiator Cooler
  • 5.1.63. Cleaning
  • 5.1.64. Tube Removal
  • 5.1.65. Seal Installation
  • 5.1.66. Lubricating Seals and Tube Ends
  • 5.1.67. Tube Installation
  • 6. SKSS-13_X73 Section 5
  • 6.1. Dust Control System
  • 6.1.1. Contents
  • 6.1.2. Dust Control System
  • 6.1.3. Water Injection
  • 6.1.4. Water Injection Pump
  • 6.1.5. Water Injection Control
  • 6.1.6. Water Injection Circuit
  • 6.1.7. Water Pump
  • 6.1.8. Pump Specifications
  • 6.1.9. Reassembling Plunger Packings
  • 6.1.10. Servicing the Crossheads
  • 6.1.11. Servicing the Crankshaft
  • 6.1.12. Replacing Piston Cup Seals
  • 6.1.13. Replacing Suction and Discharge Valves
  • 6.1.14. Replacing Power End Bearings
  • 6.1.15. Fastener Torque Requirements
  • 6.1.16. Servicing the Wrist Pin Bearings
  • 6.1.17. Recommended Lubricants
  • 7. SKSS-13_X73 Section 6
  • 7.1. Mast / Rotary Drive / Pipe Rack
  • 7.1.1. Contents
  • 7.1.2. Mast Weldment
  • 7.1.3. Weld Inspection Schedule
  • 7.1.4. Mast Assembly and Installation
  • 7.1.5. Mast Pivot
  • 7.1.6. Mast Pivot Bolts
  • 7.1.7. Mast A-frame and Pivot Shaft
  • 7.1.8. Mast A-frame Pivot Shaft Cap Bolts
  • 7.1.9. Angle Drilling
  • 7.1.10. Mast Elevate Cylinders
  • 7.1.11. Mast / Drill Without Mast
  • 7.1.12. Mast Assembly
  • 7.1.13. Feed Cylinders
  • 7.1.14. Removal
  • 7.1.15. Feed Cylinder Assembly
  • 7.1.16. Hoist / Pulldown Cable Adjustment with Auto Tension
  • 7.1.17. Hoist / Pulldown Cables
  • 7.1.18. Adjustment
  • 7.1.19. Replacement
  • 7.1.20. Wire Rope
  • 7.1.21. Rotary Drive
  • 7.1.22. Rotary Head Guide Alignment
  • 7.1.23. Rotary Head Drive System (high speed)
  • 7.1.24. Rotary Drive Removal from Mast
  • 7.1.25. Rotary Drive Gearbox Repair
  • 7.1.26. Rotary Head Bull Shaft Bearing Nut
  • 7.1.27. Manufacturers Recommendations Blast Hole Drilling Consumables
  • 7.1.28. Air Swivel (Single Seal Style)
  • 7.1.29. Deck Wrench
  • 7.1.30. O Wrench
  • 7.1.31. Breakout System H.O.B.O
  • 7.1.32. Pipe Positioner
  • 7.1.33. Carousel Pipe Rack
  • 7.1.34. Rod Handling Carousal Indexing
  • 7.1.35. Pipe Rack Assembly
  • 7.1.36. General Information
  • 7.1.37. Pipe Rack Components Inspection
  • 7.1.38. Pipe Rack Assembly and Installation
  • 7.1.39. Pipe Rack Roller Remove and Replace
  • 7.1.40. Pipe Rack Roller Disassembly and Assembly
  • 7.1.41. Top Sub Saver
  • 8. SKSS-13_X73 Section 7
  • 8.1. Hydraulic Systems
  • 8.1.1. Contents
  • 8.1.2. Hydraulic Symbols
  • 8.1.3. Pressure Setting Sequence
  • 8.1.4. Hydraulic Tank
  • 8.1.5. Return hydraulic filters
  • 8.1.6. Main Return and Case Drain Filter
  • 8.1.7. Routine Maintenance
  • 8.1.8. Main Hydraulic Pumps
  • 8.1.9. Right Track / Left Track / Rotation Pumps
  • 8.1.10. AA4VG 180 Hydraulic Pump
  • 8.1.11. Technical Data
  • 8.1.12. Port Locations
  • 8.1.13. Brake Setting Procedure
  • 8.1.14. Charge Pressure, High Pressure, P.O.R and Zero Position settings
  • 8.1.15. Set Crossover Relief (High Pressure) 5500psi (380bar)
  • 8.1.16. Set Pressure Override (P.O.R) 5000psi (345bar)
  • 8.1.17. Set Mechanical Zero Position EP Pump Control
  • 8.1.18. Set Hydraulic Zero Position EP Pump Control
  • 8.1.19. Removal and Inspection of Charge Pump
  • 8.1.20. Removal and Installation of Shaft Seal
  • 8.1.21. Routine Maintenance
  • 8.1.22. Troubleshooting Procedure
  • 8.1.23. Brake Test Procedure
  • 8.1.24. Charge Circuit
  • 8.1.25. Routine Maintenance
  • 8.1.26. Main Pumps Circuit
  • 8.1.27. Rotation / Tram Motor Circuit
  • 8.1.28. Loop Filters
  • 8.1.29. Loop Filter cross section
  • 8.1.30. Loop Filter Assembly
  • 8.1.31. Changing Filter Elements
  • 8.1.32. Rotary Drive Gearbox Motor
  • 8.1.33. Rotary Gearbox Rotation Motor
  • 8.1.34. Shaft Seal Replacement
  • 8.1.35. Troubleshooting
  • 8.1.36. Tram Circuit
  • 8.1.37. Main Closed Loop Circuits
  • 8.1.38. Feed and Auxiliary Pump Circuit
  • 8.1.39. Feed and Auxiliary Functions Pump
  • 8.1.40. Repair Instructions
  • 8.1.41. Pump Replacement Start Up
  • 8.1.42. Auxiliary Pump Operation
  • 8.1.43. Auxiliary and Feed Circuits
  • 8.1.44. Pilot Control Manifold
  • 8.1.45. Pilot Control Manifold
  • 8.1.46. Pilot Control Manifold Assembly
  • 8.1.47. Control Valve Assembly
  • 8.1.48. Hydraulic Feed Circuit
  • 8.1.49. Feed Valve Assembly
  • 8.1.50. Directional Control Valve MP22 Valve
  • 8.1.51. Control Valve Assembly
  • 8.1.52. Jack Control and Mast Elevating Circuit
  • 8.1.53. OEM Controllers / EP Levers
  • 8.1.54. Counterbalance Valve
  • 8.1.55. Levelling Jack Cylinders
  • 8.1.56. Mast Elevating Cylinder
  • 8.1.57. Counterbalance Valve Test Procedure
  • 8.1.58. Auxiliary Pump Circuit
  • 8.1.59. AWE6 Auxiliary Valves
  • 8.1.60. Exploded View
  • 8.1.61. Hydraulic Operated Breakout Wrench
  • 8.1.62. O Wrench Circuit
  • 8.1.63. Setting of H.O.B.O Sequence Valves
  • 8.1.64. Pipe Positioner
  • 8.1.65. Pipe Safety Arm
  • 8.1.66. Hydraulic Gear Pumps
  • 8.1.67. Tool List
  • 8.1.68. Cooler Fan Circuit
  • 8.1.69. Basic Cooler Fan Circuit (Hot and Cold)
  • 8.1.70. Cooler Fan Motor
  • 8.1.71. Cooler Fan Motor Assembly
  • 8.1.72. Hydraulic Thermostatic Valve
  • 8.1.73. Water Injection
  • 8.1.74. Water Injection Circuit
  • 8.1.75. Water Pump Motor
  • 8.1.76. Shaft Seal Repair
  • 8.1.77. Air Conditioner
  • 8.1.78. Hydraulic Cylinder Repair
  • 8.1.79. General Information
  • 8.1.80. Z Head (Two Piece)
  • 8.1.81. Z Piston
  • 8.1.82. Z Piston (Threaded)
  • 8.1.83. H and K Piston
  • 8.1.84. M Piston
  • 8.1.85. N Piston
  • 9. SKSS-13_X73 Section 8
  • 9.1. Electrical Components
  • 9.1.1. Contents
  • 9.1.2. Electrical Locator
  • 9.1.3. Jump Starting
  • 9.1.4. Batteries
  • 9.1.5. Welding Precautions
  • 9.1.6. Electrical Components
  • 9.1.7. EP Levers
  • 9.1.8. Joystick Adjustments
  • 9.1.9. Vigilante Guide
  • 10. SKSS-13_X73 Section 9
  • 10.1. Lubrication Preventive Maintenance
  • 10.1.1. Contents
  • 10.1.2. Central Lube System
  • 10.1.3. Air Service Units
  • 10.1.4. Soft Start Dump Valve
  • 10.1.5. Filter Regulator
  • 10.1.6. Air Line Oiler
  • 10.1.7. Air Service Unit
  • 10.1.8. Pipe Thread Lubricator
  • 10.1.9. Filter Locator
  • 10.1.10. Lubrication and Preventive Maintenance
  • 10.1.11. Isolation Battery Switch
  • 10.1.12. Track Gear
  • 10.1.13. Engine Maintenance
  • 10.1.14. Air Cleaners
  • 10.1.15. Pump Drive and Drive Shaft Maintenance
  • 10.1.16. A-frame and Pivot Point Maintenance
  • 10.1.17. Hydraulic System Maintenance
  • 10.1.18. Air Conditioner Maintenance
  • 10.1.19. Drill Folding Stairway Inspection Requirements
  • 10.1.20. Weld Inspection Schedule
  • 10.1.21. Track and Sprocket Inspection
  • 10.1.22. Sprocket Wear Patterns
  • 10.1.23. Lubrication Recommendations
  • 10.1.24. Lubrication and Maintenance Chart – 250hr
  • 10.1.25. Lubrication and Maintenance Chart – 500hr
  • 10.1.26. Lubrication and Maintenance Chart – 1000hr
  • 10.1.27. Lubrication and Maintenance Chart – 2000hr
  • 10.1.28. Lubrication and Maintenance Chart
  • 10.1.29. Lubricant Specifications
  • 10.1.30. Compressor Lubrication
  • 10.1.31. Lubricating Grease
  • 10.1.32. Critical Fasteners
  • 10.1.33. Critical Fastener ID and Inspection Schedule
  • 10.1.34. Torque Values
  • 10.1.35. Externally Threaded SAE ASTM Fasteners
  • 10.1.36. Torque Values
  • 10.1.37. Mast Connection Points
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