Cubex QXR920 10243 Surface Drill Maintenance Manual

Cubex QXR920 10243 Maintenance Manual

Cubex QXR920 10243 Index:

• 1.1 Operating/Maintenance Safety
  • Drill Operation and Maintenance Safety
  • General Safety Instructions
  • Safety Instructions for Driving and Operating
  • Safety Instructions for Servicing
  • Extinguishing Fires
• 2.1 Drill Assembly
• 2.2 Break-in Maintenance
• 2.3 Preventative Maintenance Program
  • 2.3.1 Lubrication
    • 2.3.1.1 Rock Drill Grease
    • 2.3.1.2 Lubrication Points and Intervals
    • 2.3.1.3 Lubrication Types
    • 2.3.1.4 Lubrication Cross-over
  • 2.3.5 Centralized Machine Lubrication
    • Greaser Assembly
  • 2.3.2 Bolt Torque
  • 2.3.3 Drill Filtration Points and Intervals
  • 2.3.4 Pipe Thread Grease Pump
    • Preventative Maintenance Tasks
    • 2.3.4.1 Safety
    • 2.3.4.2 Maintenance
• 2.4 Recommended Tools:
• 3.1 Track Adjustment
• 3.2 Final Drive
• 4.1 Mast Feed System
  • 4.1.1 QXR Feed Chain Adjustment
  • 4.1.2 Slider Adjustment
  • 4.1.3 Carrier Block
  • 4.1.4 Feed Chain Block
  • 4.1.5 Jib Boom
  • 4.1.6 Triple Jaw Breakout (TJBO)
    • 4.1.6.1 Overhaul procedure
• 4.2 Top Drive
  • 4.2.1 Checking Bearing Pre-load
  • 4.2.2 Adjusting Bearing Pre-load
  • 4.2.3 Removing Top Drive
    • 4.2.3.1 Using the Right Equipment
  • 4.2.4 Disassembly Procedure
  • 4.2.5 Installation of Pinion Gears and Bearings
  • 4.2.6 Driveshaft Assembly and Installation
  • 4.2.7 Setting Bearing Preload
  • 4.2.8 Installing Upper Seal and Housing
  • 4.2.9 Installing Air Swivel and Hydraulic Motors
  • 4.2.10 Saver Sub
    • 4.2.10.1 Removal
    • 4.2.10.2 Installation
  • 4.2.11 Air Swivel
    • 4.2.11.1 Removing Air Swivel
    • 4.2.11.2 Installation of Air Swivel
    • 4.2.11.3 Dismantling Air Swivel
    • 4.2.11.4 Inspection of Parts
    • 4.2.11.5 Assembly Procedure
• 4.3 Top Drive Motor
• 4.4 Breakout Wrench
• 4.5 Carousel Assembly
  • 4.5.1 Carousel Adjustment
    • 4.5.1.1 Pipe Clamp Adjustment
    • 4.5.1.2 Clamp Arm Adjustment
• 4.6 Expander Pin System – Mast Boom
  • 4.6.1 Torque and Maintenance Intervals
    • 4.6.1.3 Torque Schedule
    • 4.6.1.4 Mounting/Dismounting Tools
    • 4.6.1.5 Installation
    • 4.6.1.6 Dismounting
• 5.1 Hydraulic Symbols
  • 5.1.1 Hydraulic Schematic
• 5.2 Hydraulic Circuits
• 5.3 Hydraulic Pump
  • 5.3.1 Adjustments and Maintenance
  • 5.3.2 Factors Affecting the Pump’s Life
    • 5.3.2.1 Contaminated Fluid
    • 5.3.5.2 Poor Suction Conditions
    • 5.3.5.3 Excessive Case Pressure
    • 5.3.5.4 Too Low an Operating Pressure
    • 5.3.5.5 Cavitation/Aeration
• 5.4 Hydraulic Cylinders
  • 5.4.1 Double Acting Cylinders
  • 5.4.2 Cylinder Inspection
  • 5.4.3 Cylinder Overhaul
• 5.5 Control Valves – On/Off Types
  • 5.5.1 Control Valves
  • 5.5.2 Relief Valve Adjustment
  • 5.5.3 Valve Pressure Adjustment
  • 5.5.4 Valve Flow Adjustment
  • 5.5.5 Valve Overhaul
  • 5.5.6 Valve Sections
  • 5.5.7 Solenoid
  • 5.5.8 Lever Section
  • 5.5.9 Valve Assembly
  • 5.5.10 Inlet Section
• 5.6 Manifold Blocks
  • 5.6.1 Servicing Cartridge Valves
  • 5.6.2 Troubleshooting Cartridge Valves
  • 5.6.3 Installation Torque Values
• 5.7 Counterbalance Valves
  • 5.7.1 Making Adjustments
  • 5.7.2 Troubleshooting
• 5.8 Hydraulic Filtration
  • 5.8.1 Change Hydraulic Fluid Every 2000 Hours
  • 5.8.2 Return Filters
  • 5.8.3 Pressure Filter Element
• 5.9 Proportional Valves
  • 5.9.1 Proportional Valve Settings
  • 5.9.2 Flow Settings
  • 5.9.3 Pressure Setting
• 6.1 Air Schematic
• 6.2 Sullair Compressor
  • 6.2.1 Compressor Unit Functional Description
  • 6.2.2 Compressor Discharge System Functional Description
  • 6.2.3 Compressor Cooling and Lubrication System Functional Description
  • 6.2.4 Air Inlet System Functional Description
  • 6.2.5 Lubrication Guide
  • 6.2.6 Application Guide
  • 6.2.7 Control System
    • 6.2.7.1 Purpose of Controls
    • 6.2.7.2 Butterfly Inlet Valve Functional Description
    • 6.2.7.3 Closed Inlet Start Program
    • 6.2.7.4 Normal Operation
    • 6.2.7.5 Modulation
    • 6.2.7.6 Unload
    • 6.2.7.7 Compressor Start Up Mode and Running Mode Low Air Pressure
    • 6.2.7.8 Manual Unload Mode
    • 6.2.7.9 Running Mode 350 psi Air Pressure
    • 6.2.7.10 Running Mode 500 psi Air Pressure
    • 6.2.7.11 Instrumentation and Protection
    • 6.2.7.12 Start Up and Shutdown Procedures
    • 6.2.7.13 Adjustment Procedures
  • 6.2.8 Compressor Maintenance
    • 6.2.8.1 Main Fluid Filter Service
    • 6.2.8.2 Thermal/Bypass Valve
    • 6.2.8.3 Separator Element Replacement
    • 6.2.8.4 Running Blowdown Valve Maintenance
    • 6.2.8.5 Shutdown Blowdown Valve Maintenance
    • 6.2.8.6 Minimum Pressure/Check Valve Maintenance
    • 6.2.8.7 Discharge Check Valve Maintenance
    • 6.2.8.8 Safety Valve
    • 6.2.8.9 Pressure Regulator (Low / High Air Pressure Regulator)
    • 6.2.8.10 Fluid Stop Valve
  • 6.2.9 Screw Compressor
    • 6.2.9.1 Screw Compressor Arrangement
    • 6.2.9.2 Compressor Operator Daily Checklist
    • Compressor Operator Daily Checklist
    • 6.2.9.3 Maintenance Schedules
    • 6.2.9.4 Compressor Lubrication Crossover
    • 6.2.9.5 Compressor Troubleshooting
• 6.3 Water Pump
  • 6.3.1 Pump Speed Adjustment
  • 6.3.2 Dismantling of Valves
  • 6.3.3 Assembling of Valves
  • 6.3.4 Dismantling the Pumping Section
  • 6.3.5 Pump Assembly
  • 6.3.6 Removing Sleeves and Seals
  • 6.3.7 Installing Sleeves and Seals
  • 6.3.8 Servicing the Crankcase
  • 6.3.9 Pump Installation
• 6.4 Grease Injection
  • 6.4.1 To Fill Reservoir
  • 6.4.2 To Prime System
  • 6.4.3 Operation
  • 6.4.4 Adjusting Flow Rate
    • 6.4.4.1 Setting for a 4” Hammer
    • 6.4.4.2 Setting for a 6” Hammer
  • 6.4.5 PanelView Settings for QXR
• 7.1 Electrical Circuits
• 7.2 Electrical Components
• 7.3 On/Off Valve Activation
• 7.4 Types of Valves
• 7.5 Testing of Valve Solenoids
• 7.6 Testing On/Off Valves
• 7.7 Proportional Valves
• 7.8 Fault Monitoring System
  • 7.8.1 Testing Proportional Valves
• 7.9 Accra-Feed PLC System
  • 7.9.1 Accra-Feed Operation
  • 7.9.2 Accra-Feed Components
  • 7.9.3 PLC Operation
  • 7.9.4 Maintenance of PLC in Accra-Feed System
  • 7.9.5 Troubleshooting Guide
• 7.10 Operator Interface PanelView 1000
  • 7.10.1 Maintenance of PanelView Terminal
  • 7.10.2 Troubleshooting PanelView Terminal
  • 7.10.3 Alarm Messages on the Terminal
• 8.0 Troubleshooting
• 8.1 Troubleshooting Mechanical Systems
  • Tramming does not move or move straight
  • Tramming is too slow or lacks power
  • Brakes are slipping
  • Excessive noise or vibration when tramming
  • Mast swing does not rotate
  • Mast rotates erratically or rotates after setting
  • Mast rocks back and forth
  • Hydraulic cylinders not operating
  • Cylinder creep
  • Centralizer does not retract
  • Oil leakage at stinger cylinder
  • Pulldown control does not function correctly
  • Holdback control does not function correctly
  • Top drive does not rotate, or rotation is slow or rough
  • Rotation and Feed joysticks produce uneven speeds in both directions
• 8.2 Troubleshooting Hydraulic Systems
  • Fluid is hot
  • System is noisy
  • Fluid quickly contaminates
  • Fluid is foaming
  • Valve Solenoid Malfunction
  • Insufficient pressure or flow
  • Pump is noisy or vibrates
  • Pump does not run
  • Hydraulic motors or cylinders do not respond
  • Rotation and Feed joysticks produce uneven speeds in both directions
• 8.3 Troubleshooting Air Systems
  • Air pressure is zero or low
  • Water pump pressure is zero
  • Water pump pressure is low
  • Water pump runs extremely rough
  • Water pump leaking
  • Grease delivery is incorrect
• 8.4 Troubleshooting Electrical Systems
  • Engine does not start
  • Tram controls (joysticks only) are insensitive
  • Hydraulic motors or cylinders not operating
  • Rotation and Feed joysticks produce uneven speeds in both directions
  • Valve Solenoid Malfunction

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