Komatsu H285S Hydraulic Shovel Shop Manual H285S78067SM
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Komatsu H285S Hydraulic Shovel Shop Manual H285S78067SM - Image 5

Komatsu H285S Hydraulic Shovel Shop Manual H285S78067SM

$50.00

  • Type Of Manual: Shop Manual
  • Manual ID: H285S78067SM
  • Format: PDF
  • Size: 23.3MB
  • Number of Pages: 752
Category:

Description

  • Model List:

    • H285S Hydraulic Shovel
  • 1. MAIN MENU
  • 2. COVER
  • 3. FOREWORD
  • 4. LIST OF CONTENTS
  • 5. PART 1
  • 5.1. DIVISION OF MACHINE
  • 5.2. SUPERSTRUCTURE
  • 5.3. UNDERCARRIAGE
  • 5.4. EQUIPMENT
  • 5.5. SPECIAL EQUIPMENT
  • 5.6. TOOTH SYSTEMS
  • 5.7. LUBRICATION
  • 5.8. REFILLING UNIT
  • 5.9. HYDRAULIC SYSTEM
  • 5.10. CONTROL
  • 5.11. CONTROL UNITS
  • 5.12. FILTERS OF THE HYDRAULIC OIL
  • 5.13. ASSEMBLING THE EXCAVATOR
  • 6. PART 2
  • 6.1. LIST OF CONTENTS
  • 6.2. HINTS FOR THE HYDRAULIC CIRCUIT DIAGRAM
  • 6.3. ELECTRIC CIRCUIT DIAGRAM
  • 6.3.1. HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM
  • 6.3.2. HINTS FOR CHECK AND ADJUSTMENTS
  • 6.4. PROPULSION
  • 6.4.1. CUMMINS ENGINE
  • 6.4.2. SWITCHES, SENSORS AND FILTERS
  • 6.4.3. RPM ADJUSTMENTS
  • 6.4.4. FAN/FAN DRIVE
  • 6.4.5. AIR FILTER
  • 6.4.6. COUPLING
  • 6.5. PUMP DISTRIBUTOR GEAR
  • 6.5.1. GEAR LUBRICATION
  • 6.6. HYDRAULIC PUMPS
  • 6.7. PUMP BEARING LUBRICATION
  • 6.8. PUMP REGULATION
  • 6.8.1. LOAD LIMIT REGULATION
  • 6.8.2. PRESSURE CUTOFF
  • 6.8.3. SETTING OF THE LOAD LIMIT VALVE
  • 6.8.4. MEASURING AND SETTING OF THE PRESSURE OF THE PRESSURE CUTOFF VALVE
  • 6.8.5. MEASURING AND SETTING OF THE BEGINNING OF REGULATION WITHOUT A TEST BOLT
  • 6.8.6. CHECKING WITH TEST SCREW
  • 6.9. HYDRAULIC OIL COOLING
  • 6.9.1. MEASURING AND SETTING OF THE FAN SPEED
  • 6.9.2. COOLING CIRCUIT
  • 6.9.3. MEASURING AND SETTING OF THE BACK PRESSURE VALVE
  • 6.9.4. CHECKS TO BE PERFORMED IF HYDRAULIC TEMPERATURE IS TOO HIGH
  • 6.10. HYDRAULIC OIL TANK
  • 6.11. PILOT PRESSURE CIRCUITS
  • 6.11.1. CONTROL OIL SUPPLY
  • 6.11.2. CHECKS AND ADJUSTMENTS
  • 6.11.3. CONTROL OIL FLOW FROM THE 4 FUNCTIONS PILOT CONTROL UNIT TO THE CONTROL BLOCKS
  • 6.11.4. CONTROL OIL FLOW FROM PEDAL TO THE CONTROL BLOCK
  • 6.11.5. CONTROL OIL FLOW FROM THE 2 FUNCTION CONTROL UNIT TO CONTROL BLOCK
  • 6.11.6. TRAVEL PARKING BRAKE
  • 6.11.7. SLEW PARKING BRAKE
  • 6.12. SERVICE LINE CIRCUITS
  • 6.12.1. MEASUREMENTS AND PRESSURE ADJUSTMENTS/SLEW CIRCUIT
  • 6.12.2. TRAVEL MOTORS
  • 6.12.3. MEASUREMENTS AND PRESSURE ADJUSTMENTS/TRAVEL MOTORS
  • 6.12.4. BUCKET CYLINDER
  • 6.12.5. MEASUREMENTS AND PRESSURE ADJUSTMENTS/BUCKET CYLINDER
  • 6.12.6. CLAM CYLINDER
  • 6.12.7. MEASURINGS AND PRESSURE ADJUSTMENTS/CLAM CYLINDER
  • 6.12.8. STICK CYLINDER/LOADER ATTACHMENT
  • 6.12.9. MEASURINGS AND PRESSURE ADJUSTMENTS/STICK CYLINDER/LOADER ATTACHMENT
  • 6.12.10. BOOM CYLINDER/LOADER ATTACHMENT
  • 6.12.11. MEASURINGS AND PRESSURE ADJUSTMENTS/BOOM CYLINDERS/LOADER ATTACHMENTS
  • 6.12.12. BUCKET CYLINDER (BACK HOE ATTACHMENT)
  • 6.12.13. MEASUREMENTS AND PRESSURE ADJUSTMENTS/BUCKET CYLINDER
  • 6.12.14. STICK CYLINDER/BACK HOE ATTACHMENT
  • 6.12.15. MEASURINGS AND ADJUSTMENTS/STICK CYLINDER/BACK HOE ATTACHMENT
  • 6.12.16. BOOM CYLINDER/BACK HOE ATTACHMENT
  • 6.12.17. MEASURINGS AND PRESSURE ADJUSTMENTS/BOOM CYLINDERS/BACK HOE ATTACHMENT
  • 6.12.18. AIR CONDITION DRIVE
  • 6.12.19. MEASUREMENT AND ADJUSTMENT/AIR CONDITION DRIVE
  • 6.13. LUBRICATION SYSTEM
  • 6.13.1. SINGLE CIRCUIT CENTRAL LUBRICATION SYSTEM WITH PROGRESSIVE DISTIBUTORS
  • 6.13.2. ELECTRICAL FUNCTION
  • 6.13.3. MEASUREMENT AND PRESSURE ADJUSTMENT/COMPRESSED AIR SYSTEM
  • 6.13.4. SLEW RING TOOTHING MIST LUBRICATION
  • 6.13.5. ELECTRICAL FUNCTION
  • 6.13.6. MEASUREMENT AND PRESSURE ADJUSTMENT/COMPRESSED AIR SYSTEM
  • 6.14. GENERATOR DRIVE
  • 6.14.1. MEASUREMENTS AND ADJUSTMENTS/GENERATOR DRIVE
  • 7. PART 3
  • 7.1. LIST OF CONTENTS
  • 7.2. PLATFORM
  • 7.3. DIESEL MOTOR
  • 7.3.1. COMPUSAVE ENGINE MOTOR
  • 7.4. COUPLING
  • 7.5. UNIVERSAL SHAFT
  • 7.6. PUMP DISTRIBUTOR GEAR
  • 7.7. HYDRAULIC PUMPS
  • 7.7.1. MAIN PUMPS, A7V HDD
  • 7.7.2. GEARED PUMPS
  • 7.7.3. HYDRAULIC PUMP A2F
  • 7.7.4. HYDRAULIC PUMP A10V 0
  • 7.7.5. HYDRAULIC PUMP A7F 0/107
  • 7.8. DIESEL FUEL TANK
  • 7.8.1. ELECTRONIC SETUP
  • 7.9. HYDRAULIC OIL TANK
  • 7.10. HYDRAULIC OIL FILTERS
  • 7.10.1. FILTERS IN THE PUMP LINE TO THE CONTROL BLOCKS
  • 7.10.2. INLINE FILTER
  • 7.10.3. RETURN OIL/CASE DRAIN FILTER IN THE HYDRAULIC RESERVOIR
  • 7.10.4. BREATHER FILTER ON THE HYDRAULIC OIL RESERVOIR
  • 7.11. CONTROL BLOCKS AND VALVES
  • 7.11.1. FOLD CONTROL BLOCK M0 52
  • 7.11.2. PRESSURE RELIEF VALVE, PILOT OPERATED
  • 7.11.3. SECONDARY VALVE PRECONTROLLED
  • 7.11.4. ANTICAVITATION VALVE (MAKEUP VALVE)
  • 7.11.5. LOAD HOLDING VALVES INSIDE THE SPOOLS
  • 7.11.6. SINGLE CONTROL BLOCK M0 40
  • 7.11.7. PRESSURE INCREASING VALVE
  • 7.11.8. PRESSURE RELIEF VALVE, PILOT OPERATED
  • 7.11.9. CHECK VALVE
  • 7.11.10. SHUTTLE VALVE
  • 7.11.11. PRESSURE RELIEF VALVE, PRECONTROLLED
  • 7.11.12. PRESSURE RELIEF VALVE, PILOT OPERATED
  • 7.11.13. PRESSURE RELIEF VALVE, PILOT OPERATED
  • 7.11.14. PRESSURE RELIEF VALVES TYPE DB/DBW
  • 7.11.15. MAGNET VALVE
  • 7.11.16. PRESSURE RELIEF VALVE, REMOTE CONTROLLED
  • 7.11.17. LOAD LIMIT VALVE
  • 7.11.18. NOZZLE BLOCK/PUMP REGULATING
  • 7.11.19. PRESSURE SEQUENCE VALVE (PRESSURE CUT OFF VALVE)
  • 7.11.20. RESTRICTOR BLOCK
  • 7.11.21. PILOT CONTROL UNITS, 4 BOLT UNITS
  • 7.11.22. PILOT CONTROL UNITS, 1 BOLT UNITS
  • 7.11.23. TRAVEL BRAKE VALVE
  • 7.12. PRESSURE ACCUMULATOR
  • 7.12.1. TESTING THE PRECHARGE PRESSURE AND REFILLING
  • 7.13. SLEW GEAR
  • 7.13.1. REPLACEMENT OF THE DISKS
  • 7.13.2. REPLACEMENT OF THE QUADRINGS
  • 7.13.3. AXIAL PISTON MOTOR
  • 7.14. SLEW RING
  • 7.15. UNDERCARRIAGE
  • 7.15.1. IDLER WHEEL ASSEMBLY
  • 7.15.1.1. ALTERING THE TRACK TENSION
  • 7.15.2. BOTTOM ROLLER
  • 7.15.3. TOP ROLLER
  • 7.15.4. CRAWLER DRIVE ASSY
  • 7.15.5. TRAVEL GEAR
  • 7.15.5.1. REPLACEMENT OF THE DISKS
  • 7.15.5.2. REPLACEMENT OF THE QUADRINGS
  • 7.15.6. DRIVE SPROCKET
  • 7.15.7. CRAWLER CHAIN
  • 7.15.8. AXIAL PISTON MOTOR
  • 7.15.9. ROTARY DISTRIBUTOR
  • 7.16. HYDRAULIC CYLINDERS
  • 7.17. AIR CONDITIONING EQUIPMENT
  • 7.17.1. MAINTENANCE SCHEDULE
  • 7.17.2. PRESSURE MONITORING
  • 7.18. COMPRESSED AIR SYSTEM
  • 7.18.1. COMPRESSOR AT CU ENGINE
  • 7.18.2. AIR DRYER
  • 7.18.3. AUTOMATIC DRAIN VALVE
  • 7.18.4. AIR EQUIPMENT SERVICE UNIT
  • 7.18.5. SOLENOID VALVE
  • 7.18.6. VENT VALVE ASSEMBLY
  • 7.19. LUBE SYSTEM
  • 7.19.1. METERING VALVE
  • 7.19.2. PROGRESSIVE LUBE DISTRIBUTOR
  • 7.19.3. PRESSURE CONTROL UNIT
  • 7.19.4. TROUBLESHOOTING LUBRICATION SYSTEM
  • 7.20. SHORT INFORMATION
  • 7.20.1. REVOLUTIONS/PRESSURES
  • 7.20.2. FILLING CAPACITIES
  • 7.20.3. HYDRAULIC OIL
  • 7.21. TORQUE CHART
  • 7.21.1. TORQUE CHART NM
  • 7.21.2. TORQUE CHART FT LBF
  • 7.22. CONVERSION METRIC/INCH
  • 8. TROUBLESHOOTING H285
  • 8.1. GENERAL
  • 8.2. MALFUNCTION WHEN EXTENDING OR RETRACTING CYLINDERS
  • 8.3. TROUBLESHOOTING SLEW CIRCUIT
  • 8.4. TROUBLESHOOTING SLEW BRAKE CIRCUIT
  • 8.5. TROUBLESHOOTING SLEW HOUSE BRAKE CIRCUIT
  • 8.6. TROUBLESHOOTING TRAVEL CIRCUIT
  • 8.7. TROUBLESHOOTING THE TRAVEL BRAKE CIRCUIT
  • 8.8. TROUBLESHOOTING PUMP REGULATION CIRCUIT
  • 8.9. TROUBLESHOOTING OIL COOLER CIRCUIT
  • 9. HYDRAULIC/ELECTRICAL DIAGRAM
  • 9.1. CONTENTS
  • 9.2. HYDRAULIC DIAGRAM
  • 9.3. ELECTRICAL DIAGRAM
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