Komatsu H285S Hydraulic Shovel Shop Manual H285S78094SM

Description

• Model List:
  • H285S Hydraulic Shovel

• 0.1. DIVISION OF MACHINE
• 0.2. SUPERSTRUCTURE
• 0.3. UNDERCARRIAGE
• 0.4. EQUIPMENT
• 0.5. SPECIAL EQUIPMENT
• 0.6. TOOTH SYSTEMS
• 0.7. LUBRICATION
• 0.8. REFILLING UNIT
• 0.9. HYDRAULIC SYSTEM
• 0.10. CONTROL
• 0.11. CONTROL UNITS
• 0.12. FILTERS OF THE HYDRAULIC OIL
• 0.13. ASSEMBLING THE EXCAVATOR
• 1. PART 2
• 1.1. LIST OF CONTENTS
• 1.2. SHORT INFORMATION
• 1.3. HINTS FOR THE USER
• 1.4. HINTS FOR THE HYDRAULIC CIRCUIT DIAGRAM
• 1.5. ELECTRIC CIRCUIT DIAGRAM
• 1.6. HINTS FOR THE ELECTRIC CIRCUIT DIAGRAM
• 1.7. HINTS FOR CHECK AND ADJUSTMENTS
• 1.8. PROPULSION
• 1.8.1. OVERVIEW DIESEL ENGINE
• 1.8.2. OVERVIEW ELECTRIC MOTOR
• 1.8.3. ENGINE MOUNTINGS
• 1.8.4. SWITCHES, SENSORS AND FILTERS
• 1.8.5. RPM ADJUSTMENTS
• 1.8.6. FAN DRIVE
• 1.8.7. AIR FILTER
• 1.8.8. COUPLING FOR DIESEL ENGINE DRIVEN MACHINES
• 1.8.9. COUPLING FOR ELECTRIC MOTOR DRIVEN MACHINES
• 1.9. PUMP DISTRIBUTOR GEAR
• 1.9.1. GEAR LUBRICATION
• 1.10. HYDRAULIC PUMPS
• 1.11. PUMP BEARING LUBRICATION
• 1.12. PUMP REGULATION
• 1.12.1. FOR MACHINES WITH DIESEL ENGINE ONLY
• 1.12.1.1. LOAD LIMIT REGULATION
• 1.12.1.2. PRESSURE CUT OFF VALVE
• 1.12.1.3. SETTING OF THE LOAD LIMIT VALVE
• 1.12.1.4. MEASURING AND SETTING OF THE PRESSURE OF THE PRESSURE CUT OFF VALVES
• 1.12.1.5. MEASURING AND SETTING OF THE START OF DESTROKING OF THE MAIN PUMPS
• 1.12.1.6. CHECKING WITH TEST BOLT
• 1.12.2. FOR MACHINES WITH ELECTRONIC MOTOR DRIVE
• 1.12.2.1. BRIEF DESCRIPTION OF THE ELECTRONIC PARTS OF THE EGL
• 1.12.2.2. HYDRAULIC REGULATION
• 1.12.2.3. ADJUSTMENTS
• 1.12.2.4. ADJUSTING WORKS FOR THE ELECTRONIC PUMP REGULATION
• 1.12.2.5. TROUBLESHOOTING/ELECTRONIC CONTROLLING
• 1.12.2.6. MEASURING AND SETTING OF THE PRESSURE CUT OFF VALVES
• 1.12.2.7. MEASURING AND SETTING OF THE START OF DESTROKING OF THE MAIN PUMPS
• 1.12.2.8. CHECKING WITH TEST BOLT
• 1.13. HYDRAULIC OIL COOLING
• 1.13.1. FAN DRIVE
• 1.13.2. MEASURING AND SETTING OF THE FAN SPEED
• 1.13.3. COOLING CIRCUIT
• 1.13.4. MEASURING AND SETTING OF THE BACK PRESSURE VALVE
• 1.13.5. CHECKS TO BE PERFORMED IF HYDRAULIC TEMPERATURE IS TOO HIGH
• 1.14. HYDRAULIC OIL TANK
• 1.15. PILOT PRESSURE CIRCUITS
• 1.15.1. OVERVIEW
• 1.15.2. CONTROL OIL SUPPLY
• 1.15.3. CHECKING AND ADJUSTMENTS
• 1.15.4. TRAVEL PARKING BRAKE
• 1.15.5. SLEW BRAKE HOUSE BRAKE
• 1.15.6. TRAVEL MOTION CONTROL WHEN USING A CABLE REEL
• 1.15.7. PILOT PRESSURE CUT OFF FOR BUCKET FILLING AT TOO HOT HYDRAULIC OIL
• 1.15.8. PRIORITY FOR STICK OR BOOM IN R.H. CONTROL BLOCK WITH A BHA
• 1.16. SERVICE LINE CIRCUITS
• 1.16.1. SLEW CIRCUIT
• 1.16.1.1. CHECKS AND ADJUSTMENTS
• 1.16.2. TRAVEL MOTORS
• 1.16.2.1. CHECKS AND ADJUSTMENTS
• 1.16.3. BUCKET CYLINDER
• 1.16.3.1. CHECKS AND ADJUSTMENTS
• 1.16.4. CLAM CYLINDER
• 1.16.4.1. CHECKS AND ADJUSTMENTS
• 1.16.5. STICK CYLINDER/LOADER ATTACHMENT
• 1.16.5.1. CHECKS AND ADJUSTMENTS
• 1.16.6. BOOM CYLINDER/LOADER ATTACHMENT
• 1.16.6.1. CHECKS AND ADJUSTMENTS
• 1.16.7. BUCKET CYLINDER/BACK HOE ATTACHMENT
• 1.16.7.1. CHECKS AND ADJUSTMENTS
• 1.16.8. STICK CYLINDER/BACK HOE ATTACHMNET
• 1.16.8.1. CHECKS AND ADJUSTMENTS
• 1.16.9. BOOM CYLINDER/BACK HOE ATTACHMENT
• 1.16.9.1. CHECKS AND ADJUSTMENTS
• 1.16.10. HYDRAULIC TRACK ADJUSTING SYSTEM
• 1.16.10.1. LEGEND
• 1.16.10.2. FUNCTION
• 1.17. APPENDIX
• 1.17.1. HYDRAULIC AIR CONDITION DRIVE
• 1.17.1.1. CHECKS AND ADJUSTMENTS
• 1.17.1.2. SERVICE MANUAL
• 1.17.2. GENERATOR DRIVE
• 1.17.2.1. CHECKS AND ADJUSTMENTS
• 1.17.3. LUBRICATION
• 1.17.3.1. COMPRESSED AIR SYSTEM
• 1.17.4. SINGLE LINE CENTRALIZED LUBE SYSTEM
• 1.17.4.1. ELECTRICAL FUNCTION
• 1.17.4.2. CHECKS AND ADJUSTMENTS
• 1.17.5. SLEW RING TOOTHING MIST LUBRICATION
• 1.17.5.1. ELECTRICAL FUNCTION
• 1.17.5.2. CHECKS AND ADJUSTMENTS
• 1.17.6. SLEW RING TOOTHING DRIP LUBRICATION
• 1.17.6.1. ELECTRICAL FUNCTION
• 1.17.6.2. CHECKS AND ADJUSTMENTS
• 1.17.7. CENTRAL LUBRICATION SYSTEM WITH ELECTRIC MOTOR DRIVE PUMPS
• 1.17.7.1. DESIGN
• 1.17.8. SINGLE LINE CENTRALIZED LUBE SYSTEM
• 1.17.8.1. ELECTRICAL FUNCTION
• 1.17.8.2. CHECKS AND ADJUSTMENTS
• 1.17.9. SLEW RING DRIP LUBRICATION
• 1.17.9.1. ELECTRICAL FUNCTION
• 1.17.9.2. CHECKS AND ADJUSTMENTS
• 1.17.10. SL1 AND SL11 INJECTOR
• 1.17.11. DIFFERENT TIME RELAYS
• 1.17.12. CABLE REEL/ELECTRIC MACHINE
• 1.17.12.1. ELECTRICAL FUNCTION
• 1.17.12.2. TRAVEL MOTION CONTROL
• 1.17.12.3. SWITCHING MECHANISM WITH SWITCHES 5S4
• 1.17.12.4. REQUIRED ADJUSTMENTS/CHECKS
• 2. PART 3
• 2.1. CONTENTS
• 2.2. ELECTRICAL DIAGRAM