Komatsu SK818-5 (SN from 50111) and SK820-5 turbo (SN from 50112) Skid Steer Loaders (Italy) Workshop Manual (WEBM005001)

Illustrated factory Workshop Manual for Komatsu Skid Steer Loaders Models SK818-5 and SK820-5 turbo.

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 (Italy):
   SK818-5 (SN: 37BF50111-)
   SK820-5 turbo (SN: 37BTF50112-)

Format: PDF, 272 pages
Language: English
Table of Contents:
   SAFETY
   FOREWORD
   HOW TO READ THE SHOP MANUAL
   HOISTING INSTRUCTIONS
   STANDARD TIGHTENING TORQUE
   COATING MATERIALS
   WEIGHT TABLE
   TABLE OF OIL AND COOLANT QUANTITIES
   CONVERSION TABLE
   10 STRUCTURE AND FUNCTION
      P.T.O.
      POWER TRAIN
      TRANSMISSION
      FINAL DRIVE
      HYDRAULIC CIRCUIT SK818-5 - SK820-5 turbo (STANDARD)
      HYDRAULIC CIRCUIT SK818-5 - SK820-5 turbo (HIGH-FLOW)
      HYDRAULIC CIRCUIT SK818-5 - SK820-5 turbo (ROAD HOMOLOGATION)
      HYDRAULIC PUMP
      CONTROL VALVE (3-SPOOL)
      CONTROL VALVE (4-SPOOL)
      CLSS
      SOLENOID VALVE
      ACCUMULATOR
      PATTERN CHANGE VALVE (OPTIONAL)
      OPERATION
      PATTERN ISO
      PATTERN OPTIONAL
      R.H. PPC VALVE (STANDARD)
      R.H. PPC VALVE (PATTERN CHANGE) (OPTIONAL)
      L.H. PPC VALVE (STANDARD)
      L.H. PPC VALVE - PATTERN CHANGE (OPTIONAL)
      CYLINDERS
      ELECTRICAL DIAGRAM (TOP-CABIN LIGHT LINE OMOLOGATION) (1/2)
      ELECTRICAL DIAGRAM (TOP-CABIN LIGHT LINE OMOLOGATION) (2/2)
      ELECTRICAL DIAGRAM (REAR LIGHT LINE) (1/2)
      ELECTRICAL DIAGRAM (REAR LIGHT LINE) (2/2)
      ELECTRICAL DIAGRAM (ENGINE LINE) (2/3)
      ELECTRICAL DIAGRAM (ENGINE LINE) (3/3)
      ELECTRICAL DIAGRAM (FRAME LINE STANDARD) (1/3)
      ELECTRICAL DIAGRAM (FRAME LINE STANDARD) (2/3)
      ELECTRICAL DIAGRAM (FRAME LINE STANDARD) (3/3)
      ELECTRICAL DIAGRAM (FRAME LINE OPTIONAL) (1/3)
      ELECTRICAL DIAGRAM (FRAME LINE OPTIONAL) (2/3)
      ELECTRICAL DIAGRAM (FRAME LINE OPTIONAL) (3/3)
      ELECTRICAL DIAGRAM (CABIN LINE STANDARD) (1/5)
      ELECTRICAL DIAGRAM (CABIN LINE STANDARD) (2/5)
      ELECTRICAL DIAGRAM (CABIN LINE STANDARD) (3/5)
      ELECTRICAL DIAGRAM (CABIN LINE STANDARD) (4/5)
      ELECTRICAL DIAGRAM (CABIN LINE STANDARD) (5/5)
      ELECTRICAL DIAGRAM (CABIN LINE OPTIONAL) (1/7)
      ELECTRICAL DIAGRAM (CABIN LINE OPTIONAL) (2/7)
      ELECTRICAL DIAGRAM (CABIN LINE OPTIONAL) (3/7)
      ELECTRICAL DIAGRAM (CABIN LINE OPTIONAL) (4/7)
      ELECTRICAL DIAGRAM (CABIN LINE OPTIONAL) (5/7)
      ELECTRICAL DIAGRAM (CABIN LINE OPTIONAL) (6/7)
      ELECTRICAL DIAGRAM (CABIN LINE OPTIONAL) (7/7)
      ELECTRICAL DIAGRAM (TOP-CABIN LIGHT LINE STANDARD) (1/2)
      ELECTRICAL DIAGRAM (TOP-CABIN LIGHT LINE STANDARD) (2/2)
      ELECTRICAL DIAGRAM (ENGINE LINE) (1/3)
      ELECTRICAL DIAGRAM (STANDARD)
   20 TESTING AND ADJUSTMENTS
      NORMAL OR STANDARD TECHNICAL DATA
      SPECIAL TOOLS
      CHECKING THE ENGINE SPEED
      ADJUSTMENT OF VALVE CLEARANCE (SK818-5)
      ADJUSTMENT OF VALVE CLEARANCE (SK820-5 turbo)
      MEASUREMENT OF THE COMPRESSION PRESSURE (SK818-5)
      MEASUREMENT OF THE COMPRESSION PRESSURE (SK820-5 turbo)
      CONTROL AND ADJUSTMENT OF THE FAN BELT TENSION
      CONTROL AND ADJUSTMENT OF THE INJECTION TIMING
      CHECKING ENGINE OIL PRESSURE
      ADJUSTING THE STROKE OF THE ACCELERATOR CABLES
      REGULATION OF PPC VALVES’ DRIVE PRESSURE
      ADJUSTMENT OF THE PPC VALVE CLEARANCES
      ADJUSTING THE POSITION OF THE SERVO-CONTROL ENGAGEMENT SAFETY SENSOR
      TESTING AND ADJUSTMENT OF GEARING CHAIN TENSION
      CONTROL AND REGULATION OF THE PRESSURES IN THE HYDRAULIC CIRCUITS
      TESTING THE HYDRAULIC PUMP
      VALVE CALIBRATION
      CHECKING THE TRAVEL DEVIATION
      CONTROL VALVE
      CONTROL AND REGULATION OF THE SERVO-CONTROL POWER SUPPLY
      ELIMINATION OF RESIDUAL PRESSURES - PRESSURISATION OF THE TANK
      BLEEDING AIR FROM THE HYDRAULIC CIRCUITS
   30 REMOVAL AND INSTALLATION
      HOW TO READ THE MANUAL
      PRECAUTIONS TO BE TAKEN WHILE WORKING
      REMOVAL THE ENGINE HOOD
      INSTALLATION THE ENGINE HOOD
      TILTING THE CAB
      LOWERING THE CAB
      REMOVAL OF THE BATTERY
      INSTALLATION OF THE BATTERY
      REMOVAL OF THE STARTING MOTOR
      INSTALLATION OF THE STARTING MOTOR
      REMOVAL OF THE ALTERNATOR
      INSTALLATION OF THE ALTERNATOR
      REMOVAL OF THE MUFFLER (SK818-5)
      INSTALLATION OF THE MUFFLER
      REMOVAL OF THE MUFFLER (SK820-5 turbo)
      INSTALLATION OF THE MUFFLER
      REMOVAL OF TURBOCHARGER (SK820-5 turbo)
      INSTALLATION OF TURBOCHARGER
      REMOVAL OF THE AIR INTAKE FILTER
      INSTALLATION OF AIR INTAKE FILTER
      REMOVAL OF THE VALVE COVER (SK818-5)
      INSTALLATION OF THE VALVE COVER
      REMOVAL OF THE VALVE COVER (SK820-5 turbo)
      INSTALLATION OF THE VALVE COVER
      REMOVAL OF THE NOZZLE HOLDER (SK818-5)
      INSTALLATION OF THE NOZZLE HOLDER
      REMOVAL OF THE NOZZLE HOLDER (SK820-5 turbo)
      INSTALLATION OF THE NOZZLE HOLDER
      REMOVAL OF INJECTION PUMP
      INSTALLATION OF INJECTION PUMP
      REMOVAL OF THE CYLINDER HEAD (SK818-5)
      INSTALLATION OF THE CYLINDER HEAD (SK818-5)
      REMOVAL OF THE CYLINDER HEAD (SK820-5 turbo)
      INSTALLATION OF THE CYLINDER HEAD (SK820-5 turbo)
      REMOVAL OF THE COOLANT LIQUID PUMP
      INSTALLATION OF THE COOLANT LIQUID PUMP
      REMOVAL OF THE RADIATOR GROUP
      INSTALLATION OF THE RADIATOR GROUP
      REMOVAL OF THE FUEL TANK
      INSTALLATION OF THE FUEL TANK
      REMOVAL OF THE CAB
      INSTALLATION OF THE CAB
      REMOVAL OF THE ENGINE-PUMP GROUP
      INSTALLATION OF THE ENGINE-PUMP GROUP
      REMOVAL OF THE COMPLETE HYDRAULIC PUMP
      INSTALLATION OF THE HYDRAULIC PUMP
      REMOVAL OF THE GEAR PUMP
      INSTALLATION OF THE GEAR PUMP
      REMOVAL OF ENGINE-PUMP COUPLING
      INSTALLATION OF THE ENGINE-PUMP COUPLING
      REMOVAL OF THE CONTROL VALVE
      INSTALLATION OF THE CONTROL VALVE
      REMOVAL OF PPC VALVES
      INSTALLATION OF THE PPC VALVES
      REMOVAL OF THE HEATING FAN
      INSTALLATION OF THE HEATING FAN
      REMOVAL OF THE HUB WHEEL
      INSTALLATION OF THE WHEEL HUB
      DISMANTLING THE HUB WHEEL
      ASSEMBLY OF THE HUB WHEEL
      REMOVAL OF THE FINAL DRIVE
      INSTALLATION OF THE FINAL DRIVE
      REMOVAL OF THE RAISING CYLINDER
      INSTALLATION OF THE RAISING CYLINDER
      REMOVAL OF THE BUCKET CYLINDER
      INSTALLATION OF THE BUCKET CYLINDER
      DISASSEMBLY OF THE WORK EQUIPMENT CYLINDERS
      ASSEMBLY OF THE WORK EQUIPMENT CYLINDERS
      REMOVAL OF THE COMPLETE WORKING EQUIPMENT
      INSTALLATION OF THE COMPLETE WORKING EQUIPMENT
      REMOVAL OF THE FULCRUM LEVER
      INSTALLATION OF THE FULCRUM LEVER
      REMOVAL OF THE LIFT LEVER
      INSTALLATION OF THE LIFT LEVER
      REMOVAL OF THE WORKING EQUIPMENT SUPPORT FRAME
      INSTALLATION OF THE WORKING EQUIPMENT SUPPORT FRAME
   40 STANDARD MAINTENANCE
      STANDARD MAINTENANCE
      P.T.O.
      TRANSMISSION
      FINAL DRIVE
      HYDRAULIC PUMP
      AS VALVE
      CONTROL VALVE (SUPER HIGH-FLOW VERSION)
      CONTROL VALVE (STANDARD)
      R.H. PPC VALVE
      L.H. PPC VALVE (STANDARD)
      L.H. PPC VALVE PATTERN CHANGE (OPTIONAL)
      PATTERN CHANGE VALVE (OPTIONAL)
      CYLINDERS
      WORKING EQUIPMENT