Komatsu SK1020-5-N and SK1020-5-NA Skid Steer Loaders with S4D98E-2 engines (USA) Workshop Manual (CEBM013902)

Illustrated factory Workshop Manual for Komatsu Skid Steer Loaders Models SK1020-5-N and SK1020-5-NA.

This manual will assist you in diagnosing, repairing, and adjusting for your skid steer loader.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models (USA):
   SK1020-5-N (SN: A70001-)
   SK1020-5-NA (SN: A60001-)

Format: PDF, 370 pages
Language: English
Table of Contents:
   COVER
      SAFETY
      GENERAL
      HOW TO READ THE SHOP MANUAL
      HOISTING INSTRUCTIONS
      MAINTENANCE STANDARD TERMINOLOGY
      HANDLING ELECTRIC EQUIPMENT AND HYDRAULIC COMPONENTS
      PUSH PULL COUPLER
      COATING MATERIALS
      STANDARD TIGHTENING TORQUE
      SPECIFIC DRIVING TORQUE
      ELECTRIC WIRE CODE
      CONVERSION TABLES
   FOREWORD
      SAFETY
      GENERAL
      HOW TO READ THE SHOP MANUAL
      HOISTING INSTRUCTIONS
      MAINTENANCE STANDARD TERMINOLOGY
      HANDLING ELECTRIC EQUIPMENT AND HYDRAULIC COMPONENTS
      PUSH PULL COUPLER
      COATING MATERIALS
      STANDARD TIGHTENING TORQUE
      SPECIFIC DRIVING TORQUE
      ELECTRIC WIRE CODE
      CONVERSION TABLES
   GENERAL
      DIMENSION DRAWINGS
      SPECIFICATIONS
      WEIGHT TABLE
      FUEL COOLANT AND LUBRICANTS
      SERVICE NOTES
   STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
      WORK EQUIPMENT PIVOT POINT CLEARANCES
      WHEEL DRIVE SYSTEM
      DRIVE MOTOR SYSTEM
      HYDRAULIC PUMPS
      SAFETY VALVES
      ANTI ENGINE-STALL VALVE (AS VALVE)
      CONTROL VALVES
      CLOSED CENTER LOAD SENSING SYSTEM
      SOLENOID VALVE
      ACCUMULATOR
      PATTERN CHANGE VALVE
      R.H. PPC VALVE (STANDARD)
      R.H. PPC VALVE (PATTERN CHANGE)
      L.H. PPC VALVE (STANDARD)
      L.H. PPC VALVE (PATTERN CHANGE)
      CYLINDERS
   STANDARD VALUE TABLES
      STANDARD SERVICE VALUE TABLE
      Standard Service Value Table for Engine
      Standard Value Table for Chassis
   TESTING AND ADJUSTING
      SPECIAL TOOLS
      T-ADAPTER PROCEDURES AND KITS
      ENGINE COMPONENTS
      ADJUSTING PPC VALVE PRESSURES
      ADJUSTING SERVO-CONTROL SAFETY SENSOR
      CHAIN TENSION
      TESTING AND ADJUSTING THE HYDRAULIC SYSTEM
      HYDRAULIC PUMP
      CONTROL VALVE
      AIR CONDITIONING SYSTEM
   TROUBLESHOOTING
      POINTS TO REMEMBER WHEN TROUBLESHOOTING
      SEQUENCE OF EVENTS IN TROUBLESHOOTING
      CHECKS BEFORE TROUBLESHOOTING
      CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
      T-ADAPTER TABLE
      ENGINE COOLANT TEMPERATURE SENSOR FAILURE
      ABNORMAL ENGINE OIL PRESSURE INDICATED
      AIR CLEANER CLOG INDICATED
      ENGINE PREHEAT SYSTEM INOPERABLE
      FUEL LEVEL INDICATION IS INCORRECT
      FUEL PUMP MOTOR INOPERATIVE
      ENGINE DOES NOT SHUT DOWN OR WILL NOT START
      ALTERNATOR NOT CHARGING BATTERY
      ENGINE WILL NOT CRANK
      BACK-UP ALARM WILL NOT FUNCTION
      HYDRAULIC FILTER SENSOR WARNING
      PPC SYSTEM ELECTRICAL MALFUNCTION
      SEAT SAFETY SWITCH MALFUNCTION
      SAFETY BAR SWITCH MALFUNCTION
      TRAVEL SPEEDS CANNOT BE CHANGED
      FLOAT CONTROL MALFUNCTION
      PARKING BRAKE SYSTEM MALFUNCTION
      PATTERN CHANGE MALFUNCTION
      STABALIZER SYSTEM MALFUNCTION
      LOW OR WEAK TRAVEL, WEAK BRAKE-OUT FORCE
      WEAK TRAVEL, WEAK BREAK-OUT FORCE IN REVERSE
      ROTATING BEACON INOPERABLE
      REAR WORK LIGHTS WILL NOT OPERATE
      HORN DOES NOT SOUND
      POSSIBLE DEFECTIVE SAFETY RELAY UNIT
   DISASSEMBLY AND ASSEMBLY
      HOW TO READ THIS MANUAL
      CONNECTOR REPAIR PROCEDURES
      ENGINE
      ENGINE HOOD ASSEMBLY
      OPERATOR’S CAB ASSEMBLY
      WORK EQUIPMENT SYSTEM
      REMOVING EQUIPMENT SUPPORT FRAME
      BATTERY
      STARTER MOTOR
      ALTERNATOR
      AIR FILTER ASSEMBLY
      MUFFLER ASSEMBLY (SK1020-5N)
      MUFFLER ASSEMBLY (SK1020-5N TURBO)
      RADIATOR ASSEMBLY
      FUEL TANK ASSEMBLY
      ENGINE-PUMP ASSEMBLY
      HYDRAULIC PUMP ASSEMBLY
      GEAR PUMP ASSEMBLY
      ENGINE-PUMP COUPLING
      CONTROL VALVE
      PPC VALVES
      CAB HEATER ASSEMBLY
      WHEEL HUB ASSEMBLY
      FINAL DRIVE ASSEMBLY
      LIFT AND BUCKET CYLINDERS
      WORK EQUIPMENT CYLINDER OVERHAUL
      MONITOR PANEL REPLACEMENT
   OTHERS
      ENGINE ELECTRICAL
      FRAME LINE ELECTRICAL
      FRAME LINE ELECTRICAL (OPTIONAL)
      OPERATOR COMPARTMENT ELECTRICAL
      OPERATOR COMPARTMENT ELECTRICAL (OPTIONAL)
      TOP OPERATOR CAB ELECTRICAL
      HYDRAULIC CIRCUIT
      AIR CONDITIONER